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Anker 331 Facts: 138 Specifications & 80 Highlights

The Anker 331 power bank is packed with 138 must-see specs & features. From general information, battery & capacity, charging input performance & power output performance to subtle perks, here’s what to look at.

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Efendi I.

920 Products

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Intan Sri Wulandari

1505 Products

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Anker

Anker 331 PowerCore 10K

Highlights ⁸⁰

No extras. Just what matters.

Why is Anker 331 better than other power banks ?

General Information Battery & Capacity Charging Input Performance Power Output Performance Charging Protocols & Compatibility Physical Dimensions & Weight Build Materials & Durability Display, Indicators & Controls Safety & Protection Features Thermal Management & Cooling Environmental & Efficiency Included Accessories & Packaging Warranty & Support

General Information

Product Type: Power Bank Identifies the functional category of the portable charging device.
Well Suited for Smartphone Charging,Travel Backup,Emergency Power Describes the primary usage scenarios the power bank is designed for.
Released in 2024 Indicates the year the product was first released to market.
Manufactured in China States the country where the product is manufactured or assembled.
Finish Type: Matte Describes the surface finish of the exterior shell.
5.96 °F higher maximum operating temperature Defines the highest ambient temperature the power bank can operate safely. 113.0 °F vs 107.0 °F
Storage Temperature Range: -4-140°F Specifies safe temperature conditions for storing the power bank when not in use.

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Battery & Capacity

971.38 mAh higher rated capacity Indicates the usable output capacity after conversion losses. 10,000.0 mAh vs 9,028.6 mAh
6.96 % lower self-discharge rate Indicates how much charge is lost when not in use. 3.0 % vs 10.0 %
Includes Battery Protection System Confirms presence of integrated battery protection circuitry.
Supports Overdischarge Protection Prevents battery depletion below safe voltage levels.
Battery Chemistry: Lithium-Ion Defines the chemical composition of the battery cells.
Battery Cell Type: Cylindrical Indicates the physical form factor of the battery cells used.
Has 6 Cells Shows the number of battery cells inside the power bank.
Battery Configuration: Series-Parallel Configuration Describes how battery cells are electrically arranged to achieve desired voltage and capacity.
Cycle Life Rating: 500–800 Cycles Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.
1.33 Watt lower standby power loss Measures power lost while the unit is idle. 0.2 Watt vs 1.5 Watt
Supports Overcharge Protection Prevents damage from charging beyond safe limits.

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Charging Input Performance

Input Port Type: Micro-USB,USB-C,USB-A Identifies the physical port types used to recharge the power bank.
Has 1 Input Ports Indicates how many input ports are available for charging.
Supports Fast Input Charging Indicates whether fast-charging input standards are supported.
Supports USB-C Input Confirms whether USB-C can be used as a charging input.
Features Pass-Through Charging Allows the power bank to charge devices while being charged itself.
4.72 % higher charging efficiency Measures how efficiently input power is converted to stored energy. 90.0 % vs 85.3 %

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Power Output Performance

Output Port Type: USB-C,USB-A Identifies the physical ports used to deliver power to devices.
Provides Low-Power Device Mode Enables safe charging for small electronics like earbuds.
Features Simultaneous Device Charging Indicates whether multiple devices can be charged at once.
Power Distribution Control Available Ensures balanced power delivery across connected devices.
Load Detection Available Automatically detects connected devices to optimize power output.
Features Auto Shut-Off Automatically stops output when no device is connected.

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Charging Protocols & Compatibility

Compatible with Apple Devices Ensures optimized charging for Apple devices.
Supports Wearable Device Indicates compatibility with smartwatches and wearables.
Backward Compatible Ensures support for older devices and standards.
Supports USB Power Delivery Indicates support for the USB Power Delivery fast charging standard.
Features Quick Charge Confirms compatibility with Qualcomm Quick Charge standards.
Compatible with Samsung Devices Confirms optimized charging for Samsung devices.
Can Be Used to Charge a Tablet Confirms reliable charging for tablets and large devices.
Supports Low-Current Device Enables safe charging for devices requiring very low current.
Supports Multi-Protocol Supports multiple charging standards simultaneously.
Features Protocol Auto-Detection Automatically selects the best protocol for each device.

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Physical Dimensions & Weight

1.09 inch narrower width Measures the horizontal size of the power bank. 2.7 inch vs 3.8 inch
1.44 inch slimmer depth Measures the front-to-back thickness of the power bank. 0.6 inch vs 2.0 inch
0.15 lbs lighter weight Indicates how heavy the power bank is for portability. 0.5 lbs vs 0.6 lbs
Pocket-Friendly Design Indicates whether the size is suitable for pocket carry.
Travel-Friendly Size Indicates suitability for travel and carry-on use.

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Build Materials & Durability

0.26 ft higher drop resistance height Specifies the maximum drop height the device can withstand. 3.0 ft vs 2.7 ft
Heat Resistant Indicates whether the power bank is designed to withstand elevated internal and external temperatures without performance degradation.
Uses Fire Retardant Material Indicates use of flame-resistant materials in construction.
Scratch Resistant Indicates whether the exterior surface is resistant to scratches from daily handling and transport.
Features Structural Reinforcement Indicates added reinforcement for improved durability.
Reinforced Ports Indicates reinforced charging ports for extended lifespan.

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Display, Indicators & Controls

34.3 % higher indicator accuracy Measures how accurately the indicator reflects actual remaining power. 90.0 % vs 55.7 %
Auto Wake Feature Available Automatically activates when a device is connected.
Battery Level Indicator Available Indicates whether the power bank shows remaining battery level.
Auto Sleep Feature Available Automatically enters sleep mode when idle to save power.

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Safety & Protection Features

Features Short Circuit Protection Prevents damage when a short circuit is detected.
Includes Surge Protection Protects against sudden power surges.
Airline Safety Compliant Indicates compliance with airline carry-on regulations.
Supports Overcurrent Protection Protects devices from excessive current flow.
Includes Overvoltage Protection Prevents voltage levels from exceeding safe limits.
Comes with Thermal Protection Shuts down or limits power when overheating is detected.
Features Temperature Monitoring Continuously monitors internal temperature.
Provides Electrostatic Discharge Protection Protects internal circuits from static electricity.
Includes Fire Protection Circuit Includes circuitry designed to prevent fire hazards.
Uses Smart Power Management Dynamically manages power to maintain safe operation.
Provides Fail-Safe Shutdown Automatically shuts down under critical fault conditions.

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Thermal Management & Cooling

Charging Temperature Regulation Available Actively manages temperature during charging cycles.
Discharge Temperature Regulation Available Controls temperature while powering external devices.
Provides Thermal Management System Indicates whether the power bank includes an integrated thermal management system.
Supports Thermal Throttling Reduces power output automatically to prevent overheating.
Provides Surface Temperature Control Limits external surface temperature for safe handling.

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Environmental & Efficiency

4.52 % higher energy conversion efficiency Measures how efficiently stored energy is converted into usable output power. 90.0 % vs 85.5 %
Automatic Power Optimization Available Automatically adjusts output to reduce energy waste.
Supports Recycling Program Indicates manufacturer support for recycling or take-back programs.

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Included Accessories & Packaging

Includes User Manual Indicates whether a user manual or guide is provided.
Charging Cable Included :val Indicates whether a charging cable is included in the box.

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Warranty & Support

Technical Support Available Confirms access to technical support services.
Battery Covered by Warranty Indicates whether the battery itself is covered under warranty.
Provides Replacement Policy Indicates eligibility for replacement in case of defects.
Repair Service Available Confirms whether repair services are offered.

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Comparisons ⁵

Make your choice now!

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the Anker 331, covering its standout specification and what you can expect right out of the box.

Anker 331

Anker 331 PowerCore 10K is a compact and lightweight 10,000mAh portable power bank (battery pack) designed for charging smartphones and small devices on the go. It features Anker's PowerIQ charging technology for optimal speed, durable, scratch-resistant construction, and a trickle-charge mode for accessories like earbuds. It's a ready-to-use charger that can charge an iPhone about 2 times or some iPads about 1.2 times, and fits easily in a pocket or bag.

Specifications & Facts ¹³⁸

Specs measured. Drama avoided.

Wondering how the Anker 331 power bank compares? We list out its specs, verdicts from users, pros and cons, and real data next to similar power banks.

General Information ¹⁰

Anker 331 Operating Temperature Minimum

What is the minimum operating temperature?

32 °F 0 Votes

31.56 °F (Average)

Anker 331

The minimum operating temperature for this device is 32°F (0°C).

This ensures safe functionality even in cooler environments.

Defines the lowest ambient temperature the power bank can operate safely.

Anker 331 Product Type

What is the product type?

58 Anker 331 0 Votes Power Bank

32 Power Banks in this range Power Bank

Identifies the functional category of the portable charging device.

Anker 331 Color Options

What color options are available?

64 Anker 331 0 Votes Black

38 Power Banks in this range Black

Lists the available exterior color choices.

Anker 331 Intended Use Case

What is the intended use case?

63 Anker 331 0 Votes Smartphone Charging, Travel Backup, Emergency Power

32 Power Banks in this range Smartphone Charging, Tablet Charging, Travel Backup, Emergency Power

Describes the primary usage scenarios the power bank is designed for.

Anker 331 Release Year

What is the release year?

98 Anker 331 0 Votes 2024

45 Power Banks in this range 2024

Indicates the year the product was first released to market.

Anker 331 Country of Origin

Where is this product made?

68 Anker 331 0 Votes China

35 Power Banks in this range China

States the country where the product is manufactured or assembled.

Anker 331 Finish Type

What type of finish does it have?

58 Anker 331 0 Votes Matte

32 Power Banks in this range Matte

Describes the surface finish of the exterior shell.

Anker 331 Rugged Design

Does it have a rugged design?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates whether the power bank is built for enhanced durability.

Anker 331 Operating Temperature Maximum

What is the maximum operating temperature?

113 °F 0 Votes

107.04 °F (Average)

Defines the highest ambient temperature the power bank can operate safely.

Anker 331 Storage Temperature Range

What is the storage temperature range?

88 Anker 331 0 Votes -4-140°F

31 Power Banks in this range 32–113°F

Specifies safe temperature conditions for storing the power bank when not in use.

Battery & Capacity ¹⁴

Anker 331 Rated Capacity

What is the rated capacity?

10,000 mAh 0 Votes

9,028.62 mAh (Average)

Anker 331

The power bank's rated capacity is 10000 mAh.

This indicates the total charge it can store.

Indicates the usable output capacity after conversion losses.

Anker 331 Energy Rating

What is the energy rating?

37 Watt 0 Votes

53.14 Watt (Average)

Anker 331

The power bank has an energy rating of 37 Watt.

This indicates the maximum power it can draw or deliver under specific conditions.

Measures total energy stored expressed in watt-hours.

Anker 331 Battery Voltage

What is the battery voltage?

3.7 Volt 0 Votes

3.96 Volt (Average)

Anker 331

The internal battery operates at 3.7 Volt.

This is the nominal voltage for the battery cells used.

Indicates the nominal voltage of the battery pack.

Anker 331 Self-Discharge Rate

What is the self-discharge rate?

3 % 0 Votes

9.96 % (Average)

Anker 331

This device has a self-discharge rate of 3%.

This means it will typically lose 3% of its charge per month when not in use.

Indicates how much charge is lost when not in use.

Anker 331 Battery Protection System

Does it include a battery protection system?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

A comprehensive battery protection system is integrated into this device.

This system safeguards against various electrical issues, ensuring battery longevity and user safety.

Confirms presence of integrated battery protection circuitry.

Anker 331 Overdischarge Protection

Is overdischarge protection supported?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

Overdischarge protection is implemented to prevent the battery from draining excessively low.

This safeguards battery health and extends its lifespan.

Prevents battery depletion below safe voltage levels.

Anker 331 Battery Chemistry

What battery chemistry is used?

48 Anker 331 0 Votes Lithium-Ion

25 Power Banks in this range Lithium-Polymer

Defines the chemical composition of the battery cells.

Anker 331 Battery Capacity

What is the battery capacity?

10,000 mAh 0 Votes

10,375.78 mAh (Average)

States the total energy storage capacity of the battery cells.

Anker 331 Battery Cell Type

What type of battery cell does it use?

78 Anker 331 0 Votes Cylindrical

37 Power Banks in this range Pouch

Indicates the physical form factor of the battery cells used.

Anker 331 Cell Count

How many battery cells are used?

58 Anker 331 0 Votes 6

11 Power Banks in this range 1

Shows the number of battery cells inside the power bank.

Anker 331 Battery Configuration

What is the battery configuration?

78 Anker 331 0 Votes Series-Parallel Configuration

22 Power Banks in this range Single Cell

Describes how battery cells are electrically arranged to achieve desired voltage and capacity.

Anker 331 Cycle Life Rating

What is the cycle life rating?

68 Anker 331 0 Votes 500–800 Cycles

28 Power Banks in this range 300–500 Cycles

Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.

Anker 331 Standby Power Loss

How much power is lost in standby?

0.2 Watt 0 Votes

1.53 Watt (Average)

Measures power lost while the unit is idle.

Anker 331 Overcharge Protection

Is overcharge protection supported?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Prevents damage from charging beyond safe limits.

Charging Input Performance ¹⁰

Anker 331 Input Port Type

What input port types are supported?

61 Anker 331 0 Votes Micro-USB, USB-C, USB-A

42 Power Banks in this range USB-C

Anker 331

The power bank supports multiple input port types, including Micro-USB, USB-C, and USB-A.

This versatility allows for charging with various common cable types.

Identifies the physical port types used to recharge the power bank.

Anker 331 Input Port Count

How many input ports does it have?

8 Anker 331 0 Votes 1

7 Power Banks in this range 1

Anker 331

The power bank has 1 input port.

This is dedicated for recharging the power bank itself.

Indicates how many input ports are available for charging.

Anker 331 Fast Input Charging

Does it support fast input charging?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

Fast input charging is supported, allowing the power bank itself to be recharged quickly.

This reduces downtime between uses.

Indicates whether fast-charging input standards are supported.

Anker 331 Input Current Rating

What is the input current rating?

2 Amp 0 Votes

2.37 Amp (Average)

Defines the maximum current the power bank can draw during charging.

Anker 331 Maximum Input Power

What is the maximum input power?

18 Watt 0 Votes

18.34 Watt (Average)

Shows the maximum power the power bank can accept while charging.

Anker 331 Input Voltage Range

What input voltage range is supported?

18 Anker 331 0 Votes 5V

26 Power Banks in this range 5V

Specifies the supported voltage range for charging input.

Anker 331 USB-C Input

Is USB-C input supported?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Confirms whether USB-C can be used as a charging input.

Anker 331 Pass-Through Charging

Does it support pass-through charging?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Allows the power bank to charge devices while being charged itself.

Anker 331 Charging Efficiency

What is the charging efficiency?

90 % 0 Votes

85.28 % (Average)

Measures how efficiently input power is converted to stored energy.

Anker 331 Charging Time

How long does it take to fully recharge?

4 hour 0 Votes

3.69 hour (Average)

Estimates total time required to fully recharge the power bank.

Power Output Performance ¹⁴

Anker 331 Output Port Count

How many output ports does it have?

0 Anker 331 0 Votes 1

0 Power Banks in this range 2

Anker 331

The device features 1 output port.

This means it can charge 1 device at a time.

Indicates how many devices can be physically connected at once.

Anker 331 Fast Charging Technology

Which fast charging technologies are supported?

0 Anker 331 0 Votes Power Delivery, Quick Charge

0 Power Banks in this range Power Delivery

Anker 331

It incorporates advanced fast charging technologies such as Power Delivery and Quick Charge.

These technologies ensure rapid and efficient charging of compatible devices.

Lists supported fast-charging standards.

Anker 331 Voltage Regulation Accuracy

How accurate is the voltage regulation?

0 Anker 331 0 Votes Excellent

0 Power Banks in this range Good

Anker 331

The voltage regulation accuracy of this power bank is rated as Excellent.

This ensures a consistent and precise voltage supply to connected devices, preventing potential damage.

Indicates how precisely the power bank maintains target voltage levels during charging.

Anker 331 Output Port Type

What output port types are available?

73 Anker 331 0 Votes USB-C, USB-A

39 Power Banks in this range USB-A, USB-C

Identifies the physical ports used to deliver power to devices.

Anker 331 Maximum Output Power

What is the maximum output power?

15 Watt 0 Votes

19.76 Watt (Average)

Shows the highest power level supported by a single output.

Anker 331 Low-Power Device Mode

Is there a low-power device mode?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Enables safe charging for small electronics like earbuds.

Anker 331 Total Output Power

What is the total output power?

18 Watt 0 Votes

20.1 Watt (Average)

Measures the combined power available when using multiple ports.

Anker 331 Output Voltage Range

What output voltage range is supported?

0 Anker 331 0 Votes 5V

0 Power Banks in this range 5V

Defines the voltage levels supported for device charging.

Anker 331 Output Current Rating

What is the output current rating?

3.6 Watt 0 Votes

10.76 Watt (Average)

Represents the power delivery capability under load conditions.

Anker 331 Simultaneous Device Charging

Can it charge multiple devices simultaneously?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether multiple devices can be charged at once.

Anker 331 Power Distribution Control

Does it manage power distribution automatically?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Ensures balanced power delivery across connected devices.

Anker 331 Output Stability

How stable is the output power?

0 Anker 331 0 Votes Very Stable

0 Power Banks in this range Stable

Describes how consistently the power bank maintains output power under varying load conditions.

Anker 331 Load Detection

Does it detect connected device load?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Automatically detects connected devices to optimize power output.

Anker 331 Auto Shut-Off

Does it auto shut off when idle?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Automatically stops output when no device is connected.

Charging Protocols & Compatibility ¹²

Anker 331 Apple Charging Compatibility

Is it compatible with Apple devices?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

This power bank offers Apple charging compatibility.

It is designed to work seamlessly with Apple devices.

Ensures optimized charging for Apple devices.

Anker 331 Wearable Device

Does it support wearable devices?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

This power bank is suitable for charging wearable devices.

It can provide appropriate power for smartwatches, fitness trackers, and similar gadgets.

Indicates compatibility with smartwatches and wearables.

Anker 331 Backward Compatibility

Is it backward compatible?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

This product offers backward compatibility.

It can safely connect and charge older devices or those using previous generation standards.

Ensures support for older devices and standards.

Anker 331 USB Power Delivery

Does it support USB Power Delivery?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates support for the USB Power Delivery fast charging standard.

Anker 331 Quick Charge

Is Quick Charge supported?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Confirms compatibility with Qualcomm Quick Charge standards.

Anker 331 Programmable Power Supply

Does it support PPS charging?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates support for Programmable Power Supply charging.

Anker 331 Samsung Charging Compatibility

Is it compatible with Samsung devices?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Confirms optimized charging for Samsung devices.

Anker 331 Laptop Charging

Can it charge laptops?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates ability to charge laptops via USB-C output.

Anker 331 Tablet Charging

Can it charge tablets?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Confirms reliable charging for tablets and large devices.

Anker 331 Low-Current Device

Does it support low-current devices?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Enables safe charging for devices requiring very low current.

Anker 331 Multi-Protocol

Does it support multiple protocols?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Supports multiple charging standards simultaneously.

Anker 331 Protocol Auto-Detection

Does it auto-detect charging protocols?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Automatically selects the best protocol for each device.

Physical Dimensions & Weight ⁶

Anker 331 Width

What is the width?

2.7 inch 0 Votes

3.79 inch (Average)

Anker 331

The power bank has a width of 2.7 inch (6.86 cm).

This compact measurement contributes to its portability.

Measures the horizontal size of the power bank.

Anker 331 Depth

What is the depth?

0.57 inch 0 Votes

2.01 inch (Average)

Anker 331

The power bank has a depth of 0.57 inch (1.45 cm).

This slim profile makes it easy to handle and store.

Measures the front-to-back thickness of the power bank.

Anker 331 Height

What is the height?

5.89 inch 0 Votes

3.14 inch (Average)

Measures the vertical dimension of the power bank.

Anker 331 Weight

How much does it weigh?

0.46 lbs 0 Votes

0.61 lbs (Average)

Indicates how heavy the power bank is for portability.

Anker 331 Pocket-Friendly Design

Is it pocket-friendly?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether the size is suitable for pocket carry.

Anker 331 Travel-Friendly Size

Is it travel-friendly?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates suitability for travel and carry-on use.

Build Materials & Durability ¹⁰

Anker 331 Outer Shell Material

What is the outer shell material?

0 Anker 331 0 Votes Plastic

0 Power Banks in this range Plastic

Anker 331

The outer shell of the power bank is made from Plastic.

This material choice contributes to its lightweight design and durability.

Specifies the primary material used for the exterior housing.

Anker 331 Internal Frame Material

What is the internal frame material?

0 Anker 331 0 Votes Plastic

0 Power Banks in this range Plastic

Anker 331

The internal frame of the power bank is constructed from Plastic.

This material choice contributes to its overall weight and structural integrity.

Describes the internal structural material supporting the battery cells.

Anker 331 Drop Resistance Height

What drop height can it survive?

3 ft 0 Votes

2.74 ft (Average)

Anker 331

The device is designed to withstand drops from a height of up to 3 ft (0.91 m).

This indicates a good level of durability for everyday use.

Specifies the maximum drop height the device can withstand.

Anker 331 Button Durability Rating

How durable are the buttons?

0 Anker 331 0 Votes Very Good

0 Power Banks in this range Good

Anker 331

The buttons on this device have a Very Good durability rating.

This suggests they are built to withstand frequent use over time.

Indicates the overall durability and longevity of the physical buttons based on build quality and expected usage.

Anker 331 Impact Resistance Rating

What is the impact resistance rating?

0 Anker 331 0 Votes Moderate Impact Resistance

0 Power Banks in this range Moderate Impact Resistance

Indicates the ability of the power bank to withstand shocks and physical impacts.

Anker 331 Heat Resistance

Is the power bank heat resistant?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether the power bank is designed to withstand elevated internal and external temperatures without performance degradation.

Anker 331 Fire Retardant Materials

Does it use fire-retardant materials?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates use of flame-resistant materials in construction.

Anker 331 Scratch Resistance

Is the surface scratch resistant?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether the exterior surface is resistant to scratches from daily handling and transport.

Anker 331 Structural Reinforcement

Is there structural reinforcement?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates added reinforcement for improved durability.

Anker 331 Port Reinforcement

Are the ports reinforced?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates reinforced charging ports for extended lifespan.

Display, Indicators & Controls ¹⁰

Anker 331 Indicator Accuracy

How accurate is the battery indicator?

90 % 0 Votes

55.7 % (Average)

Anker 331

The battery level indicator provides an accuracy of 90%.

This gives a reliable estimate of the remaining power.

Measures how accurately the indicator reflects actual remaining power.

Anker 331 Auto Wake Feature

Does it auto wake when a device is connected?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

The device includes an auto wake feature.

It automatically turns on when a device is connected for charging.

Automatically activates when a device is connected.

Anker 331 Battery Level Indicator

Does it show battery level?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether the power bank shows remaining battery level.

Anker 331 Display Type

What type of display does it have?

0 Anker 331 0 Votes LED Indicator

0 Power Banks in this range LED Indicator

Specifies the type of display used to show power information.

Anker 331 Remaining Time Display

Does it display remaining time?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Shows estimated remaining usage or charging time.

Anker 331 Button Type

What type of button does it use?

0 Anker 331 0 Votes Physical Button

0 Power Banks in this range Physical Button

Describes the type of button used for control.

Anker 331 Button Count

How many buttons are there?

0 Anker 331 0 Votes 1

0 Power Banks in this range 1

Indicates the number of physical control buttons.

Anker 331 Touch Control

Does it support touch controls?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates whether touch-based controls are supported.

Anker 331 Auto Sleep Feature

Does it auto sleep when idle?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Automatically enters sleep mode when idle to save power.

Anker 331 User Feedback Alerts

What user alerts are available?

0 Anker 331 0 Votes LED Light

0 Power Banks in this range LED Light

Indicates how the device provides user feedback and alerts.

Safety & Protection Features ¹⁴

Anker 331 Safety Certification

What safety certifications does it have?

0 Anker 331 0 Votes UL, CE, FCC, RoHS

0 Power Banks in this range CE, FCC, RoHS

Anker 331

This product holds multiple safety certifications, including UL, CE, FCC, and RoHS.

These certifications confirm adherence to international safety and environmental standards.

Lists recognized safety and compliance certifications.

Anker 331 Short Circuit Protection

Does it have short circuit protection?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Prevents damage when a short circuit is detected.

Anker 331 Surge Protection

Is surge protection included?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Protects against sudden power surges.

Anker 331 Airline Safety Compliance

Is it airline-safe?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates compliance with airline carry-on regulations.

Anker 331 Overcurrent Protection

Is overcurrent protection supported?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Protects devices from excessive current flow.

Anker 331 Overvoltage Protection

Does it include overvoltage protection?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Prevents voltage levels from exceeding safe limits.

Anker 331 Thermal Protection

Does it have thermal protection?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Shuts down or limits power when overheating is detected.

Anker 331 Temperature Monitoring

Is temperature monitored internally?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Continuously monitors internal temperature.

Anker 331 Foreign Object Detection

Does it detect foreign objects?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Detects abnormal objects or unsafe connections.

Anker 331 Electrostatic Discharge Protection

Does it protect against static discharge?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Protects internal circuits from static electricity.

Anker 331 Fire Protection Circuit

Does it include fire protection circuitry?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Includes circuitry designed to prevent fire hazards.

Anker 331 Smart Power Management

Does it use smart power management?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Dynamically manages power to maintain safe operation.

Anker 331 Fail-Safe Shutdown

Does it have fail-safe shutdown?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Automatically shuts down under critical fault conditions.

Anker 331 Safety Firmware

Is safety firmware implemented?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Uses firmware logic to manage and enforce safety rules.

Thermal Management & Cooling ¹²

Anker 331 Cooling Design Type

What cooling design type is used?

0 Anker 331 0 Votes Passive Cooling

0 Power Banks in this range Passive Cooling

Anker 331

The power bank utilizes Passive Cooling as its cooling design type.

This method relies on natural convection and radiation to dissipate heat without moving parts.

Describes the overall cooling architecture used to manage internal heat during charging and discharging.

Anker 331 Charging Temperature Regulation

Is charging temperature regulated?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

This device features charging temperature regulation.

This system actively manages the battery's temperature during charging to prevent overheating and prolong battery life.

Actively manages temperature during charging cycles.

Anker 331 Discharge Temperature Regulation

Is discharge temperature regulated?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

Discharge temperature regulation is implemented in this power bank.

This feature helps maintain optimal temperature levels while discharging power to devices.

Controls temperature while powering external devices.

Anker 331 Thermal Management System

Does it have a thermal management system?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether the power bank includes an integrated thermal management system.

Anker 331 Heat Dissipation Method

How does it dissipate heat?

0 Anker 331 0 Votes Passive Cooling

0 Power Banks in this range Passive Cooling

Describes how heat is dispersed away from internal components.

Anker 331 Internal Heat Sink

Is there an internal heat sink?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates the presence of an internal heat sink to absorb and spread heat.

Anker 331 Thermal Sensor Count

How many thermal sensors are used?

0 Anker 331 0 Votes 1

0 Power Banks in this range 1

Specifies how many thermal sensors are used for temperature monitoring.

Anker 331 Thermal Throttling

Does it support thermal throttling?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Reduces power output automatically to prevent overheating.

Anker 331 Thermal Cutoff Threshold

At what temperature does it shut down?

140 °F 0 Votes

143.69 °F (Average)

Indicates the temperature at which the system shuts down to prevent damage.

Anker 331 Surface Temperature Control

Is surface temperature controlled?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Limits external surface temperature for safe handling.

Anker 331 Heat Spread Layer

Is there a heat spread layer?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates the use of internal layers to evenly distribute heat.

Anker 331 Overheat Recovery Behavior

How does it recover from overheating?

0 Anker 331 0 Votes Automatic Resume

0 Power Banks in this range Automatic Resume

Defines how the system recovers after an overheat shutdown.

Connectivity & Smart Features ⁸

Anker 331 Bluetooth Connectivity

Does it support Bluetooth connectivity?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates whether the power bank can connect wirelessly to other devices.

Anker 331 App Support

Is there app support?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Confirms whether a companion mobile app is available.

Anker 331 Firmware Upgradable

Can the firmware be updated?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates whether firmware can be updated to improve functionality.

Anker 331 Smart Power Monitoring

Does it offer smart power monitoring?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Provides real-time monitoring of power flow and usage.

Anker 331 Device Usage Analytics

Does it provide usage analytics?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Tracks connected device charging behavior and patterns.

Anker 331 Charging History Tracking

Is charging history tracked?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Records past charging sessions for review.

Anker 331 Remote Status Monitoring

Can status be monitored remotely?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Allows users to check power bank status remotely.

Anker 331 Smart Alerts

Are smart alerts available?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Sends alerts for battery status, faults, or charging completion.

Environmental & Efficiency ⁷

Anker 331 Energy Conversion Efficiency

What is the energy conversion efficiency?

90 % 0 Votes

85.48 % (Average)

Measures how efficiently stored energy is converted into usable output power.

Anker 331 Idle Power Consumption

How much power is used while idle?

0.2 Watt 0 Votes

0.19 Watt (Average)

Indicates how much power is consumed when the power bank is not actively charging devices.

Anker 331 Eco Mode

Does it support eco mode?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Enables reduced power usage to improve efficiency and battery longevity.

Anker 331 Automatic Power Optimization

Does it optimize power automatically?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Automatically adjusts output to reduce energy waste.

Anker 331 Sustainable Materials

Does it use sustainable materials?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates use of environmentally friendly or recycled materials.

Anker 331 Recycling Program

Is a recycling program supported?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates manufacturer support for recycling or take-back programs.

Anker 331 Environmental Certification

What environmental certifications does it have?

0 Anker 331 0 Votes RoHS

0 Power Banks in this range RoHS

Lists recognized environmental or sustainability certifications.

Included Accessories & Packaging ⁵

Anker 331 User Manual

Is a user manual included?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether a user manual or guide is provided.

Anker 331 Charging Cable

Is a charging cable included?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether a charging cable is included in the box.

Anker 331 Cable Length

What is the cable length?

0.45 ft 0 Votes

1.6 ft (Average)

Specifies the length of the included charging cable.

Anker 331 Carrying Case

Is a carrying case included?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates whether a protective carrying case is included.

Anker 331 Wall Adapter

Is a wall adapter included?

No 0 Votes ~~Anker 331~~

Yes Power Banks in this range

Indicates whether a wall charging adapter is provided.

Warranty & Support ⁶

Anker 331 Technical Support Availability

Is technical support available?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Anker 331

Technical support is available for this product.

Users can access assistance for troubleshooting or inquiries.

Confirms access to technical support services.

Anker 331 Warranty Length

How long is the warranty?

0 Anker 331 0 Votes 18 Months

0 Power Banks in this range 12 Months

Indicates the duration of the manufacturer warranty.

Anker 331 Support Channels

What support channels are available?

0 Anker 331 0 Votes Email, Live Chat

0 Power Banks in this range Email, Phone

Lists available customer support contact methods.

Anker 331 Battery Warranty Coverage

Is the battery covered by warranty?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates whether the battery itself is covered under warranty.

Anker 331 Replacement Policy

Is there a replacement policy?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Indicates eligibility for replacement in case of defects.

Anker 331 Repair Service Availability

Are repair services available?

Yes 0 Votes Anker 331

Yes Power Banks in this range

Confirms whether repair services are offered.

Surveys

Because hot takes deserve votes.

Anker 331 Charging Speed Performance

How fast does this power bank recharge devices in everyday use?

Ultra fast charging — Under 1.5 hours 0 Votes

Very fast charging — 1.5 to 3 hours 0 Votes

Moderate charging — 3 to 5 hours 0 Votes

Slow charging — 5 to 8 hours 0 Votes

Very slow charging — Over 8 hours 0 Votes

Anker 331 Battery Capacity Satisfaction

How satisfied are you with the battery capacity of this power bank for daily needs?

Massive capacity for multiple days — Over 30000 mAh 0 Votes

Very high capacity — 20000 to 30000 mAh 0 Votes

Solid everyday capacity — 10000 to 19999 mAh 0 Votes

Limited capacity — 5000 to 9999 mAh 0 Votes

Barely useful capacity — Under 5000 mAh 0 Votes

Anker 331 Output Power and Device Support

How well does this power bank handle charging different devices at once?

Handles everything with ease — 100 W or more 0 Votes

Strong multi device support — 60 to 99 W 0 Votes

Good for phones and tablets — 30 to 59 W 0 Votes

Basic output only — 15 to 29 W 0 Votes

Struggles with most devices — Under 15 W 0 Votes

Anker 331 Port Selection and Flexibility

How flexible is this power bank when it comes to charging ports?

Covers all modern needs — USB C and USB A with fast charge 0 Votes

Very versatile — Multiple USB C and USB A ports 0 Votes

Good variety — USB C and USB A basic support 0 Votes

Limited options — Single USB C or USB A port 0 Votes

Very restrictive — One slow USB port only 0 Votes

Anker 331 Size and Portability

How easy is this power bank to carry around daily?

Pocket friendly and lightweight — Under 8 ounces 0 Votes

Easy to carry — 8 to 12 ounces 0 Votes

Manageable but noticeable — 12 to 18 ounces 0 Votes

Bulky for daily carry — 18 to 24 ounces 0 Votes

Too heavy to carry around — Over 24 ounces 0 Votes

Anker 331 Build Quality and Durability

How durable does this power bank feel during regular use?

Feels extremely solid and long lasting — Over 5 years expected use 0 Votes

Very durable — 3 to 5 years expected use 0 Votes

Decent build quality — 2 to 3 years expected use 0 Votes

Feels fragile — 1 to 2 years expected use 0 Votes

Cheap and unreliable — Under 1 year expected use 0 Votes

Anker 331 Charging Stability

How stable is the charging output from this power bank during use?

Rock solid with no drops — Voltage variation under 3 percent 0 Votes

Very stable — 3 to 5 percent variation 0 Votes

Mostly stable — 5 to 8 percent variation 0 Votes

Occasional drops — 8 to 12 percent variation 0 Votes

Unstable charging — Over 12 percent variation 0 Votes

Anker 331 Heat and Safety Performance

How well does this power bank control heat during charging and heavy use?

Stays cool and safe — Under 95 F 0 Votes

Slightly warm but comfortable — 95 to 104 F 0 Votes

Warm but acceptable — 104 to 113 F 0 Votes

Gets quite hot — 113 to 122 F 0 Votes

Uncomfortably hot and concerning — Over 122 F 0 Votes

Anker 331 Battery Efficiency

How efficiently does this power bank convert stored energy into usable charging power?

Highly efficient with minimal loss — Over 90 percent efficiency 0 Votes

Very efficient — 85 to 90 percent efficiency 0 Votes

Decent efficiency — 75 to 84 percent efficiency 0 Votes

Noticeable energy loss — 65 to 74 percent efficiency 0 Votes

Poor efficiency — Under 65 percent efficiency 0 Votes

Anker 331 Travel Friendliness

How convenient is this power bank for travel and daily commuting?

Perfect for travel and flights — No airline issues 0 Votes

Very travel friendly — Easy to pack and carry 0 Votes

Fine for occasional travel — Manageable size and weight 0 Votes

Awkward to carry on trips — Bulky or heavy 0 Votes

Not suitable for travel — Restricted or impractical 0 Votes

Guides ¹

Yes, we brought proof.

Files ¹

Anker 331 User Manual

amazonaws.com

6 months ago

Reviews ⁰

The good, the bad, and the brutally honest.

Average Rating

Anker

Anker 331

0 / 5 0 Reviews

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Thoughts, takes, and hot debates.

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Highlights 80

Why is Anker 331 better than other power banks ?

General Information

Battery & Capacity

Charging Input Performance

Power Output Performance

Charging Protocols & Compatibility

Physical Dimensions & Weight

Build Materials & Durability

Display, Indicators & Controls

Safety & Protection Features

Thermal Management & Cooling

Environmental & Efficiency

Included Accessories & Packaging

Warranty & Support

Comparisons 5

Quick Take

Anker 331

Specifications & Facts 138

General Information 10

Anker 331 Operating Temperature Minimum

Anker 331

Anker 331 Product Type

Anker 331 Color Options

Anker 331 Intended Use Case

Anker 331 Release Year

Anker 331 Country of Origin

Anker 331 Finish Type

Anker 331 Rugged Design

Anker 331 Operating Temperature Maximum

Anker 331 Storage Temperature Range

Battery & Capacity 14

Anker 331 Rated Capacity

Anker 331

Anker 331 Energy Rating

Anker 331

Anker 331 Battery Voltage

Anker 331

Anker 331 Self-Discharge Rate

Anker 331

Anker 331 Battery Protection System

Anker 331

Anker 331 Overdischarge Protection

Anker 331

Anker 331 Battery Chemistry

Anker 331 Battery Capacity

Anker 331 Battery Cell Type

Anker 331 Cell Count

Anker 331 Battery Configuration

Anker 331 Cycle Life Rating

Anker 331 Standby Power Loss

Anker 331 Overcharge Protection

Charging Input Performance 10

Anker 331 Input Port Type

Anker 331

Anker 331 Input Port Count

Anker 331

Anker 331 Fast Input Charging

Anker 331

Anker 331 Input Current Rating

Anker 331 Maximum Input Power

Anker 331 Input Voltage Range

Anker 331 USB-C Input

Anker 331 Pass-Through Charging

Anker 331 Charging Efficiency

Anker 331 Charging Time

Power Output Performance 14

Anker 331 Output Port Count

Anker 331

Anker 331 Fast Charging Technology

Anker 331

Anker 331 Voltage Regulation Accuracy

Anker 331

Anker 331 Output Port Type

Anker 331 Maximum Output Power

Anker 331 Low-Power Device Mode

Anker 331 Total Output Power

Anker 331 Output Voltage Range

Anker 331 Output Current Rating

Anker 331 Simultaneous Device Charging

Highlights ⁸⁰

Comparisons ⁵

Specifications & Facts ¹³⁸

General Information ¹⁰

Battery & Capacity ¹⁴

Charging Input Performance ¹⁰

Power Output Performance ¹⁴

Charging Protocols & Compatibility ¹²

Physical Dimensions & Weight ⁶

Build Materials & Durability ¹⁰

Display, Indicators & Controls ¹⁰

Safety & Protection Features ¹⁴