18650 Module Testers of 2025
Best Choice1
Clicked 12 times in the last monthNuhikapNuhikap 8-Channel 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module Type-C
Main highlights- 5. Channel synchronisation: support 8 channels to set up synchronisation, also can set up each channel parameter individually. Cycle charging and discharging: only support charging-discharging-charging 1 cycle in automatic mode, do not support multiple cycles.
- 4. 18650 battery holder using compact battery holder, suitable for flat battery measurement. Channel type: 8 channels, each unrelated, operation, without mutual influence.
- 3. U-shaped groove at the back is combined with PCB board, and the fan actively dissipates heat to form a heat dissipation channel.
- 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.
9.9Exceptional
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Value for Money2
KOOBOOKKOOBOOK 1Pcs Type-C 18650 Lithium Battery Capacity Tester 8 Channel MAh MWh Digital Battery Power Detector Module 18650 Battery Internal Resistance Tester Support Automatic Charge Discharge
Main highlights- Working voltage: DC5V 10A (standard bare metal, without power supply), overpressure must burn machine.Power supply reverse protection,prohibit reverse power supply
- The blue segment at the upper end is the external discharge terminal, and the lower end has the working indicator of the corresponding channel.U-shaped groove at the back is combined with PCB board, and the fan actively dissipates heat to form a heat dissipation channel
- Only support charging-discharging-charging 1 cycle in automatic mode, do not support multiple cycles. support external test,can be discharged through the 2P terminal external, a single channel single time only and can only support the battery holder or external test in one, can not be used at the same time the battery holder and external battery test
- 8 independent channels, each unrelated, independent operation, without mutual influence.support 8 channels to set up synchronisation, also can set up each channel parameter individually
- 18650 battery holder using compact battery holder, suitable for flat battery measurement.Voltage and current curve display, real-time voltage and current, DC two-wire method to measure internal resistance, only for the same batch sorting analogy
9.8Exceptional
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3
DWEIIDWEII 1pcs 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module 18650 Tester Type-C (4 Channel)
Main highlights- The 1.77 inch screen simultaneously displays information such as internal resistance, capacity, voltage, current, and battery level, providing comprehensive data for analysis
- Supports four-channel capacity and internal resistance measurement.（(User manual available if do as follow: click "DWEII"(you can find "Sold by DWEII" under Buy Now button), in the new page, click "Ask a question".)we will send you the manual asap）
- 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.
- Applications：The 18650 battery capacity tester is specially used to check the capacity, internal resistance, voltage, current, power and other information of the 18650 battery.The integration of charge and discharge saves the tedious operation of disassembling and assembling the battery when replacing the equipment。
- 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
9.7Exceptional
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4
DWEIIDWEII 2PACK 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module 18650 Battery Tester Type-C (4 Channel)
Main highlights- The 1.77 inch screen simultaneously displays information such as internal resistance, capacity, voltage, current, and battery level, providing comprehensive data for analysis
- 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.
- Applications：The 18650 battery capacity tester is specially used to check the capacity, internal resistance, voltage, current, power and other information of the 18650 battery.The integration of charge and discharge saves the tedious operation of disassembling and assembling the battery when replacing the equipment。
- 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
9.4Excellent
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5
ZORZAZORZA 1Pcs Type-C 18650 Battery Capacity Tester Lithium Battery Internal Resistance Tester 4-Channel Automatic Charge Discharge Module for Flat Ends 18650 Batteries
Main highlights- This battery tester operates on a DC5V power supply and is equipped with dual Type-C ports (power cord not included, compatible with C-type phone cables). It utilizes a direct current two-wire method for internal resistance measurement and provides status indicators. It also offers high-temperature protection and active heat dissipation.
- 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.
- Switching between Chinese and English interface: Press and hold the "Menu/M" button while powering on. Release the button when the screen lights up. After turning on, wait for 10 seconds before disconnecting the power. When powered on again, the language switch will be completed.
- 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.
9.3Excellent
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6
VISLONE13% OffVISLONE Digital Display Battery Capacity Internal Resistance Tester Digital Lithium Battery Power Detector Module 18650 Battery Test Meter Dual Type-C Interface
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.
- Stop discharge voltage: 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, a total of 11 adjustable gear.
- Full automatic cut off charging, discharge to reach the conditions automatically stop, automatic mode 1 ~ 9 times adjustable cycle.
- Adopts direct current two-wire method to test internal resistance, with high accuracy of value when the battery is fully charged.
9.1Excellent
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7
DWEII2PACK 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module 18650 Battery Tester Type-C
Main highlights- ❃❃This battery capacity tester is mainly used for test the capacity of 18650 battery
- ❃❃Supply Voltage: DC5-12V lithium battery (not include)；Measurement Accuracy: 1mAH；Standby Current: 5mA；Discharge Current: About 500mA；Load Power: 10W 8Ω
- ❃❃LCD Display: The 1.77in screen displays internal resistance, capacity, voltage, current, power and other information at the same time.
- ❃❃(User manual available if do as follow: click "DWEII"(you can find "Sold by DWEII" under Buy Now button), in the new page, click "Ask a question".)we will send you the manual asap）
9.0Excellent
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8
Agatige18650 Lithium Battery Capacity Tester Module, Digital Display Battery Capacity 4 Channel Automatic Cyclic Charging Discharging Battery Internal Resistance Tester for Measuring
Main highlights- PRESET MODES: The tester offers preset automatic and charging discharging modes, allowing users to conveniently select the desired mode upon power on, with automatic cutoff when the batteries are fully charged, ensuring their safety and longevity
- INTEGRATED CHARGING AND DISCHARGING: 18650 battery capacity tester with built in charging and discharging system, this tester supports up to 9 cycles of charging and discharging in automatic mode, optimizing battery performance
- DEDICATED 18650 TESTING: Specifically designed for measuring the capacity of 18650 batteries, this tester supports independent 4 channel internal resistance and capacity measurements, allowing to accurately assess your batteries
- DATA RESET: The 18650 battery capacity tester capacity, energy, and time data are automatically reset when the device is powered off or when switching between modes, ensuring accurate and reliable measurements
- CLEAR DISPLAY: The 1.77 inch screen simultaneously displays information such as internal resistance, capacity, voltage, current, and battery level, providing comprehensive data for analysis, operates on a DC5V power supply and is equipped with dual Type-C ports
8.9Very Good
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9
NEISEMOVILed Digital Display Zb2L3 Bettery Capacity Tester Module 18650 Lithium Power Supply Test Resistance External 1.2V-12V New 2025 High for Reliable Electronic Component
Main highlights- VERSATILE APPLICATIONS: Our electronics products can be used in a variety of applications, including industrial, automotive, and household electronics
- MONEY-BACK GUARANTEE: Confidence comes from high for quality and our continuous pursuit for perfectness
- HIGH FOR QUALITY ELECTRONICS COMPONENTS: Our products are made with top-of-the-line electronics components, ensuring reliable and long-lasting performance
- EXCEPTIONAL CUSTOMER SUPPORT: We pride ourselves on providing exceptional customer support, with a knowledgeable team available to answer any questions or concerns
- EASY TO INSTALL AND USE: Our electronics products are designed to be user-friendly, with clear instructions and simple installation processes
8.8Very Good
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10
GenericGeneric 4-Channel 18650 Battery Capacity Internal Resistance Tester Automatic Charging and discharging Module Type-C Port
Main highlights- 4-channel 18650 battery capacity internal resistance tester automatic charging and discharging module Type-C port
8.7Very Good
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