The Best Battery Discharge Tester of 2022 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best Battery Discharge Tester of 2022. Check our ranking below.
2,050 Reviews Scanned
Rank No. #1
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
- PD4 Universal Charger: For 3.7V/3.6V/3.85V Lithium ion/IMR/INR/ICR 3.2V LiFePO4 rechargeable batteries 18650/26650/21700/10440/14500/14650/RCR16340/16650/17500/17650/17670/18350/18490/18500/20700/22700/26700/32650/32700, 1.2V Ni-MH Ni-Cd rechargeable AA AAA C SC D.
- Multi-Functional 18650 Battery Charger: Designed with Discharging Function, Capacity Test Function, '0'V Activation Function, Auto-Cut Off Function, Adjustable Charge Current, and Auto-identify Battery Types, can make rechargeable batteries maximize their best capacity.
- Fast Battery Charger: The battery charger with 4 individual speedy charge slots, and max charge current of channels 1 and 4 up to 2000mA is 4 times faster than a normal lithium charger.
- Smart LCD Screen: The rechargeable battery charger with a large LCD screen, not only shows real-time comprehensive and accurate information on battery charge status, but also the battery type and charge time.
- Safety Guarantee: The smart battery charger with over-charging protection, over-current protection, over-voltage protection, over-heat protection, short-circuit protection, and reverse polarity, make sure your safe charging.
Rank No. #2
MakerHawk Electronic Load Tester - USB Load Tester 150W 200V 20A Resistor Adjustable Constant Current Battery Capacity Tester Module Intelligent Dischar
- Prevent burning warning: when the input voltage battery and large power test, access must be beforeusing two current adjustment knob counterclockwise to the minimum to zero, then the access, accordingto the priority according to current power to slowly adjust current knob, must not instantly transferred infull, so there are excessive instantaneous power load discharge tube burnt huge risk! Please use thespecial attention to this point, thank you!
- Two power supply methods: 1. DC6-12V DC5.0 power supply; 2. DC6-12V Micro USB power supply.The body discharge power cannot exceed 150W, otherwise there is a risk of burnout.
- Voltage measurement range: 0.00V ~ 200V, Current measurement range: 0.00A ~ 20A.
- How to operate: Set the capacity, power, time using the Keystrokes method Reset:1. Reset button Long all data (mAh, Klitschko, 00: 00: 00); 2. Fast button twice capacity reset (mAh); 3. Fast button three power reset (ㅁ);4. Fast button Four time reset (00:00:00); 5. Fast button five settings auto standby, Discharge count down regularly; 6. No load output No load, fast seven key, And current zero zero current, Environmental temperature Accurate calibration.
- 150W power refers to: In accordance with the power calculation formula P = UI (power = voltage x current); 10V input Approximately 18A discharge current 20V input Approximately 9A discharge current 30V input Approximately 6A discharge current.
Rank No. #3
BT-C2400 Battery Charger Analyzer Tester for AA AAA NiMH NiCd Rechargeable Batteries
- Battery charger for AA AAA NiMH NiCd rechargeable batteries. Easy to setup and simple to use.
- Features four indepentant channels like having four chargers in one. Set up channels individually or all at once.
- Back lighted LCD display Digitally displays capacity, voltage, time elapsed and current for each battery channel.
- Charge, Discharge, Refresh , Test. Even test internal resistance. This charger does it all with ease.
- Highest battery capacity limit of 20,000 mAh. Charge, Discharge, Refresh, Test any NiMH or NiCd battery.
Rank No. #4
MakerHawk Battery Load Tester - 180W 200V 20A USB Load Tester 4-Wire System Adjustable Constant Current Voltage Discharge Lithium Battery Capacity Tester Electronic Load Tester
- 2.4" Large Screen Battery Load Tester: Featuring a high-definition color screen, this electronic load tester provides clear and precise readings. It offers comprehensive parameter, settings and operations, including voltage, current, power, capacity, electricity, temperature, discharge resistance, time-limited discharge and stop voltage, etc., to ensure accurate and reliable results.
- Multi-Device Compatibility & Safety Features: This battery capacity tester supports discharge aging tests for a wide range of devices, including chargers, cables, power banks, batteries, and power adapters. It has intelligent safety protection such as overload, overcurrent and high temperature protection, real-time monitoring of status makes it safe and reliable.
- Four Discharge Modes & App Compatibility: The USB load tester supports constant current, constant power, constant resistance, and constant voltage modes. It is compatible with Android and iOS apps, as well as PC BT and wired connections, providing versatile testing options.
- High Precision & Upgraded Four-Wire System: Utilizing a four-wire connection, this voltage tester ensures accurate voltage measurements unaffected by wire resistance and its measurement accuracy is comparable to that of large professional instruments. It is also compatible with two-wire connection.
- Powerful Performance & Intelligent Cooling: This lithium battery tester has a high voltage of 200V, a high current of 20A, and a high power of 180W. Equipped with an intelligent temperature-controlled colored light fan, strong airflow and low noise, it can extend the service life and support continuous operation of long-term discharge or aging tests.
Rank No. #5
SkyRC BD250 250W 35A LiPo/LiHV/NiMH Battery Discharger & Analyzer
- The BD250 is a powerful discharging device that allows the user to discharge a battery at up to 35 amps or 250 watts and also measures and compares the performance of batteries.
- The BD250 is much more than a simple battery discharger or a battery load tester. It will test virtually any type or size of battery, any chemistry or number of cells, from 5.4 volts and up to 35 volts.
- It is small with a high performance cooling system and uses MOSFETS from the well-known IXYS, to make sure it can discharge at 250 watts continuously.
- Easy-to-Use PC Software for Data Analysis. With PC software connected, BD250 allows you to export the battery voltage value at 30 seconds intervals (for the first six minutes). There are two discharge mode: 1. Constant Power; 2. Constant Current.
- It displays real-time battery voltage, discharged capacity and discharge current. Simple and Intuitive Operation with one Rotary Dial.
Rank No. #6
DWEII 1pcs 18650 Lithium Battery Capacity Tester Module MAh MWh Digital Battery Power Detector Module 18650 Tester Type-C (4 Channel)
- 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
- 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。
- The 1.77 inch screen simultaneously displays information such as internal resistance, capacity, voltage, current, and battery level, providing comprehensive data for analysis
Rank No. #7
Digital Power Meter, 8-150V 25A/50A Battery Voltage Capacity Tester with LCD Display Fit for RC LIPO Battery Aircraft Model for XT60 for XT90 Interface, Batteries Discharge Monitor
- [COMPREHENSIVE DATA TRACKING] Monitor essential metrics such as cumulative capacity in watt hours (Wh) and ampere hours (Ah) to effectively track your battery performance over time.
- [REAL TIME MONITORING] Gain insights into your RC lithium batteries' operational status with real-time displays of current (I), power (W), and voltage (U), enhancing efficiency.
- [COMPATIBILITY] Designed with a interface, this power meter works seamlessly with various aircraft model LIPO batteries, catering to both hobbyists and professionals.
- [ACCURATE BIDIRECTIONAL MEASUREMENT] Enjoy precise charge and discharge readings crucial for maximizing battery usage and extending longevity.
- [USER FRIENDLY INTERFACE] Simplified data interpretation makes this power meter accessible for both beginners and experienced users, enhancing your overall experience.
SaleRank No. #8
KKnoon 150W 20A Adjustable Constant Current Electronic Load 2.4inch TFT Color Display 4 Working Modes USB Lithium Battery Capacity Monitor Tester Discharge Meter
- ✔️This product is a direct current CNC electronic load, with a maximum power of 150W and a maximum load current of 20A. Support test the capacity of power battery.
- ✔️2.4inch TFT color screen, with voltage, current, power, electricity, capacity, internal resistance, load, operating mode, OVP, OCP, OPP, stop voltage, time limit discharge display function.
- ✔️It has four working modes design, constant current mode, constant voltage mode, constant power mode and constant resistance mode.
- ✔️Voltage, current and power overrun protections can be set; stop discharge voltage and discharge time can be set.
- ✔️Power supplying temperature can be monitored by an external NTC sensor.
Rank No. #9
HiLetgo Battery Capacity Meter Discharge Tester Analyzer 1.5V-12V Battery Capacity Meter Discharge Tester
- Power supply voltage: DC4.5-6V (micro USB interface) ; Working current: less than 70mA. Supported by current: the maximum 3.000A resolution 0.001A.
- The maximum measurement error voltage: 1%+0.03V ; The maximum measurement error of current: 2%+-0.010A.
- The discharge voltage: 1.00V-15.00V resolution 0.01V ; Termination voltage range: 0.5-11.0V.
- Board size: 50mmX34mm ; Product size: 50mmX36mmX17mm (length X width X high maximum position size, containing copper foot height)
- Note: this circuit in order to improve the voltage measurement accuracy, specially designed DC bias.when the terminal is what all don't pick will display a small voltage, does not affect the actual measurement.if you are short connected with the input terminal (absolute 0V) will display 0. To understand the principle can consult the superposition theorem in electrical engineering.
Rank No. #10
Eyes.sys Electronic Load Tester, USB Load Tester, 180W 200V 20A Battery Capacity Tester Constant Current & Constant Voltage, 4 Modes, Intelligent Discharge Resistance Power Tester
- 4 operating modes - constant current / constant voltage / constant power / constant resistance, plus auto generation of data report & 2.4” HD color large screen
- 3 intelligent safety protections to monitor the discharge status in real time
- External wired NTC thermometer to realize dual temperature measurement inside and outside
- Can test the charging speed and quality of a variety of charging cable and data cables
- Flexible input wiring interface design to support more DIY connections and extend the functions
Last update on 2025-08-16 / Affiliate links / Images from Amazon Product Advertising API
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