Updated: 17 Feb 2025

capacity testers 18650

Updated: 17 Feb 2025

#1

Best Choice
Nuhikap 8-Channel 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module Type-C

9.9

Nuhikap

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Main highlights

4. 18650 battery holder using compact battery holder, suitable for flat battery measurement. Channel type: 8 channels, each unrelated, operation, without mutual influence.

2. Voltage and current curve display, real-time voltage and current, DC two-wire to measure internal resistance.

1. The blue segment at the upper end is the external discharge terminal, and the lower end has the working indicator of the corresponding channel.
#2

Value for Money
DWEII 2PACK 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module 18650 Battery Tester Type-C (4 Channel)

9.6

DWEII

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Main highlights

Supports four-channel capacity and internal resistance measurement.

Measurement parameters: Working voltage: DC5V;Detection voltage: less than or equal to DC5V;Capacity measurement range: 0~99999mAh;Battery internal resistance measurement: support;Measurement error is about 10%;Display real-time voltage/power/current: support;Discharge load: 10W.

2PACK18650 Battery Capacity Tester LCD Display Digital Automatic Charge and Discharge Internal Resistance Tester MAh MWh Lithium Battery Type-C Port Tester with Type-c to USB Cable
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#3
DWEII 1pcs 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module 18650 Battery Tester Type-C (4 Channel)

9.5

DWEII

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Main highlights

Supports four-channel capacity and internal resistance measurement.

Measurement parameters: Working voltage: DC5V;Detection voltage: less than or equal to DC5V;Capacity measurement range: 0~99999mAh;Battery internal resistance measurement: support;Measurement error is about 10%;Display real-time voltage/power/current: support;Discharge load: 10W.

1pcs 18650 Battery Capacity Tester LCD Display Digital Automatic Charge and Discharge Internal Resistance Tester MAh MWh Lithium Battery Type-C Port Tester with Type-c to USB Cable
#4
IMREN 18650 Capacity Tester,18650 Battery Charger with Discharge & Testing Function, 21700 Battery Charger with LCD Screen Display Capacity Suit for 18650 21700 20700 1.2V Ni-MH/Ni-CD LiFePO4 Battery

9.4

Imren

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Main highlights

【C4 Channel 18650 Battery Tester】-Put the 18650 battery into the charger's C4 channel,then Press SLOT and MODE both keys for 2 seconds till flashes.After 5 seconds,it will automatically enter Battery Capacity Analysis Mode.In this mode,the battery is first fully charged,and then discharged at a constant current of 500mAh.After a cycle process of charging and discharging, the capacity of the corresponding battery is displayed on the screen. (only for the C4 channel 18650 battery tester)

【Automatic LCD Display】- This is a smart 18650 battery charger with LCD Display, Automatically adjust and choose the best charging current for different batteries to maximize battery life, also could automatically detect Li-ion and Ni-MH batteries at same time or separately. Comes with a car adapter, easily charge your 18650 batteries in your big truck

【18650 Battery Charger】- the Battery Charger suit for IMR / Li-ion(4.2V / 4.35V) / LiFePO4(3.6V) 10340 / 10350 / 10440 / 10500 / 12340 / 12500 / 12650 / 13450 / 13500 / 13650 / 14350 / 14430 / 14500 / 14650 / 16500 / 16340(RCR123) / 16650 / 17350 / 17500 / 17650 / 17670 / 18350 / 18490 / 18500 / 18650 / 18700 / 20700 / 21700 / 22500 / 22650 / 25500 / 26500 / 26650 Ni-MH / Cd(1.48V) A AA AAA AAAA C SC.(Support car charge, Includes Car Adapter)
#5
ZORZA 1Pcs Type-C 18650 Battery Capacity Tester Lithium Battery Internal Resistance Tester 4-Channel Automatic Charge Discharge Module for Flat Ends 18650 Batteries

9.3

ZORZA

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Main highlights

The compact design of the 18650 battery holder supports flat top batteries and allows for easy measurement (compatible with batteries with discharge voltage between 2.5V and 3.5V, and charging voltage at 4.2V).Please note automatic charging and discharging function is not suitable for lithium iron phosphate batteries.

Our battery tester supports independent 4-channel internal resistance and capacity measurements, allowing you to accurately assess your batteries.

It features a charging function with automatic cutoff when the batteries are fully charged, ensuring their safety and longevity.The discharge function automatically stops when predetermined conditions are met, preventing over-discharging.In automatic charging mode, it supports up to 9 cycles of charging and discharging, optimizing battery performance.
#6
VISLONE Digital Display Battery Capacity Internal Resistance Tester Digital Lithium Battery Power Detector Module 18650 Battery Test Meter Dual Type-C Interface

9.1

VISLONE

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Main highlights

The product supports four-channel capacity and internal resistance measurement, each channel is independent of each other, set up separately and run independently without interfering with each other.

Support separate charging, separate discharging, automatic mode supports up to 9 charging and discharging cycles.

Adopts direct current two-wire method to test internal resistance, with high accuracy of value when the battery is fully charged.
#7
WISSBLUE 18650 Battery Charger, LCD Screen Can Display Capacity, Adjustable 2A 18650 Charger, Suitable for 26650 21700 18350 17500 14500 18650,NiMH NiCd AAA AA

8.8

WISSBLUE

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Why we love it

Compatible with all 3.7v lithium batteries and 1.2v Nimh/Nicd AA AAA batteries

Smart LCD display monitors detailed real time battery condition

Can safely adjust charging speed as needed

Main highlights

Key Features
Wide compatibility with 3.7v and 1.2v batteries, smart LCD display, adjustable charging speed, and universal USB interface for versatile charging options.

Ideal Use Cases
Perfect for tech enthusiasts needing quick, efficient charging for various battery types, from household AAAs to high-capacity 21700s, at home or on-the-go.

Customer Praise
Most reviews highlight its reliable, fast charging capability and the convenience of the smart LCD display for monitoring charge status and battery health.
#8
4-Bay 18650 Battery Charger，Test Battery Capacity，Touch Button,Universal Battery Charger for: 3.7V 26650 20700 18650 18350 1.2V NiMH/Cd AA AAA Size Batteries

8.7

Gleedideneny

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Main highlights

☆【Universal Battery Charger】4 bay battery charger is fully compatible with 3.7V Rechargeable Batteries：18650,26650,22650,20700,18350,18490,18500,18700,17335,17670,17500,16340 ,14500, 10440 , 14650, 25500,32650, 1.2V NiMH/Cd: AA, AAA，SC, C Size.(It cannot charge all 1.5V batteries, including AA AAA batteries)

☆【Touch Button 4-Bay Battery Charger】Long press the MODE touch point to switch between these four modes: first tap the 1-2 or 3-4 touch point to select the channel, then long press MODE to change the original mode, tap MODE to select the desired mode, press CURRENT The touch point changes the current size, and it enters the working state without any action for 8 seconds after selection, which is easy to use.

☆【Fast Charge, Easy to Use】The charger can change independent charging or different current selection according to the corresponding touch point function, as well as mixed charging of different batteries, which is easy to operate; in the working state, you can tap (1-2, 3-4) touch points to view the corresponding channel current (mA) /Capacity(mAh)/Voltage(V)/Time(h) and other data reference values.
#9
4-Wire Battery Resistance Capacity Test for Coil Cell 18650 26650 21700 Bench Battery Holder Battery Clamp Battery Capacity Tester AA AAA Batteries A+/A- ;V+/V- Interfaces 18650 Battery Holder

8.6

HOBBYFLY

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Main highlights

The battery tester clamp is 4 wires tester jig. It can make your test and measurement more precise.

Nominal current 5A,Maximum current: 10A

It can be used much easily that you only loose the screw and tight it by hand.And the positive and negative role can be shorted to calibrate your device to zero.
#10
EBL 18650 Battery Charger with Discharge & Testing Functions, Lithium Battery Charger for 3.6V/3.7V/3.85V Li-ion/IMR/INR/ICR/3.2VLiFePO4, 1.2V Ni-MH/Ni-CD Rechargeable Batteries

8.4

EBL

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Why we love it

Supports multiple battery types.

Fast charging with four slots.

Real-time LCD charge information.

Main highlights

Versatile Battery Compatibility
Supports 3.6V/3.7V/3.85V Li-ion, 3.2V LiFePO4, 1.2V Ni-MH/Ni-CD batteries.

Ideal for Multi-Battery Charging
Perfect for charging up to four batteries simultaneously with fast charging capabilities.

User-Friendly LCD Display
Customers appreciate the large LCD screen displaying real-time charge status and battery type.

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capacity testers 18650

Nuhikap 8-Channel 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module Type-C

9.9

Main highlights

DWEII 2PACK 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module 18650 Battery Tester Type-C (4 Channel)

9.6

Main highlights

DWEII 1pcs 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module 18650 Battery Tester Type-C (4 Channel)

9.5

Main highlights

IMREN 18650 Capacity Tester,18650 Battery Charger with Discharge & Testing Function, 21700 Battery Charger with LCD Screen Display Capacity Suit for 18650 21700 20700 1.2V Ni-MH/Ni-CD LiFePO4 Battery

9.4

Main highlights

ZORZA 1Pcs Type-C 18650 Battery Capacity Tester Lithium Battery Internal Resistance Tester 4-Channel Automatic Charge Discharge Module for Flat Ends 18650 Batteries

9.3

Main highlights

VISLONE Digital Display Battery Capacity Internal Resistance Tester Digital Lithium Battery Power Detector Module 18650 Battery Test Meter Dual Type-C Interface

9.1

Main highlights

WISSBLUE 18650 Battery Charger, LCD Screen Can Display Capacity, Adjustable 2A 18650 Charger, Suitable for 26650 21700 18350 17500 14500 18650,NiMH NiCd AAA AA

8.8

Why we love it

Main highlights

4-Bay 18650 Battery Charger，Test Battery Capacity，Touch Button,Universal Battery Charger for: 3.7V 26650 20700 18650 18350 1.2V NiMH/Cd AA AAA Size Batteries

8.7

Main highlights

4-Wire Battery Resistance Capacity Test for Coil Cell 18650 26650 21700 Bench Battery Holder Battery Clamp Battery Capacity Tester AA AAA Batteries A+/A- ;V+/V- Interfaces 18650 Battery Holder

8.6

Main highlights

EBL 18650 Battery Charger with Discharge & Testing Functions, Lithium Battery Charger for 3.6V/3.7V/3.85V Li-ion/IMR/INR/ICR/3.2VLiFePO4, 1.2V Ni-MH/Ni-CD Rechargeable Batteries

8.4

Why we love it

Main highlights

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