Battery Tester Adjustable Loads of 2025
Best Choice1
YERTAIYERTAI Electronic Load Tester, ET5406A+ 200W Programmable DC Load Testers 20A 120V Battery Capacity Detector in Charger, Liner Power, Grey
Main highlights- 【Remote Control】Support Communication with computer via USB port, please ask supplier to acquire software and SCPI if need.
- 【PACKAGING and AFTER-SALES】DC Electronic Load x1， output power cord x1, User manual x1; We provide ONE YEAR WARRANTY, please feel free to contact us if any question.
- 【Other functions】Provides overcurrent, overvoltage, overpower, over temperature protection, input polarity reverse prompt；
- 【ET5406A+ Single Channel Programmable Electronic Load Testers】provides 1mV/10mV, 1mA/10mA high resolution and precision with superior performance;Adopting LCD segment code screen with adjustable backlight;
- 【9 Common Testing Mode】CC, CV, CR, CP basic measurement modes,;Battery Test Mode, Dynamic Mode, Tran Test Mode，List Test Mode, Short Circuit Test;
9.9Exceptional
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Value for Money2
VCT12V 500 Amp Carbon Pile Battery Load Tester Alternator Starter 1000CCA Testing
Main highlights- Tests for 6 or 12V Lead-acid batteries Test batteries up to 160Ah/1000CCA 500A load type battery tester
- Heavy-duty insulated clamps
- Completely portable, outside power not required Adjustable dial meter Heavy gauge solid copper wire leads
- Color-coded temperature compensation pass or fail chart and color-coded separate voltmeter and ampere meter Suitable for cars, vans, motorcycle, RVs and farm vehicles Load test time: 15 second
9.8Exceptional
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3
MakerHawkMakerHawk Electronic Load Tester - USB Load Tester 150W 200V 20A Resistor Adjustable Constant Current Battery Capacity Tester Module Intelligent Dischar
Main highlights- Voltage measurement range: 0.00V ~ 200V, Current measurement range: 0.00A ~ 20A.
- 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.
- 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!
- 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.
9.5Excellent
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4
MakerHawkAdjustable Constant Current Electronic Load - 150W USB Electronic Load Battery Capacity Tester USB Resistor Load Multimeter Voltage Current Tester Voltmeter Meter Amperage Reader 0.2-25A 2-200V
Main highlights- Ultra-high precision: The precision is strictly calibrated by the engineers at the factory, and the patented soft calibration technology is adopted. The software learning precision is carried out through the large instrument, and the small error caused by the hardware is repaired through the software, so that the measurement precision can reach the same level. Exactly the same precision for larger instruments
- Two power supply modes: 1. DC6-12V DC5.0 power supply; 2. DC6-12V Micro USB power supply. The discharge power of the fuselage cannot exceed 150W, otherwise there is a danger of burning out. Voltage measurement range: 2V ~ 200V, current measurement range: 0.2A ~ 25A
- Safe to use: You can set the timing discharge and stop voltage, with over-power protection and high temperature protection, battery temperature measurement and protection, with fuse and reverse connection protection functions
- New upgrade: The electronic load is connected to the USB interface of the computer, and then the online software driver of the upper computer is installed, and the software can be used online after opening the software. Online background settings are synchronized with load host settings
- Four-tube discharge design: The heavy-cost multi-tube current is evenly shunted and synchronous discharge technology is adopted, so that a larger current can be used for long-term stable operation at low voltage and high current, and the anti-burning safety of the discharge tube during high-voltage discharge has been breakthrough at the same time. The improvement of the performance makes the overall technical index performance of the equipment reach a higher leap
9.3Excellent
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5
MakerHawk14% OffMakerHawk Battery Load Tester - 180W 200V 20A USB Load Tester 4-Wire System Adjustable Constant Current Voltage Discharge Lithium Battery Capacity Tester Electronic Load Tester
Main highlights- 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.
- 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.
- 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.
- 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.
- 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.
9.0Excellent
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6
HongzerElectronic Load Tester, 150W 200V 20A USB Load Tester, Adjustable Constant Current Electronic Load Battery Capacity Tester Module
Main highlights- 【USED WIDELY】This multifunction constant current electronic load can measure voltage, current, power, battery capacity, impedance, temperature, energy, time. Test various batteries, DC power supply, and charging data lines.
- 【SPECIFICATION】Voltage measurement range: 0.00V ~ 200V, Resolution accuracy: 0.01V. Current measurement range: 0.00A ~ 20A, Resolution accuracy: 0.01A. Refresh time: > 500mS / times Measurement rate: about 0.5 times / sec.
- 【SAFETY】This Battery Capacity Tester, LCD screen, display information comprehensively and clearly. The CPU fan can effectively dissipate the heat. Configuration of intelligent fan, which can dissipate the heat effectively and quietly. Load maximum power 150W, maximum voltage 200V, maximum current 20A. Over voltage, over current, and over pressure alarm can protect the module from damage effectively.
- 【SAFETY】This Battery Capacity Tester, LCD screen, display information comprehensively and clearly. The CPU fan can effectively dissipate the heat. Configuration of intelligent fan, which can dissipate the heat effectively and quietly. Load maximum power 150W, maximum voltage 200V, maximum current 20A. Over voltage, over current, and over pressure alarm can protect the module from damage effectively.
- 【SAFETY】This Battery Capacity Tester, LCD screen, display information comprehensively and clearly. The CPU fan can effectively dissipate the heat. Configuration of intelligent fan, which can dissipate the heat effectively and quietly. Load maximum power 150W, maximum voltage 200V, maximum current 20A. Over voltage, over current, and over pressure alarm can protect the module from damage effectively.
- 【PRODUCT MANUAL】Please turn down the knob to the end counterclockwise before using, and then turn up slowly. Please pay attention to your safety when the voltage is more than 36V. Several tested power supply can not be connected simultaneously. The current adjustment knob should be regulated slowly.
- 【OVER VOLTAGE OVER CURRENT SET THE ALARM MODE】Show alert interface to remind the user. Overpressure Reminder Setting range: 1 ~ 200V. Low voltage reminder setting range: 0 ~ 190V. Overflow Reminder Set Range: 0.2 ~ 100A.
8.9Very Good
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7
Clore AutomotiveClore Automotive Solar 1874 500 Amp Carbon Pile Battery Load Tester, Black
Main highlights- Variable load capability to 500 amps
- Tests batteries to 1000Cca
- Large, easy-to-read gauges
- Heavy-duty clamps penetrate corrosion on battery terminals
- Enables starter and alternator assessment
8.7Very Good
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8
Schumacher Electric17% OffSchumacher Electric Battery Load Tester and Voltmeter, BT-100, 100 Amps, 6 Volt, 12 Volt, for Testing Batteries Up to 1000 Cranking Amps
9.7 clearly written9.5 Simple to use9.3 PrecisionWhy we love it
Easy operation with visible meter readings.
Comprehensive battery health diagnostics.
Durable with heavy-duty clamps.
8.5Good
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9
WINMAX TOOLS AUTOMOTIVE500 Amp Carbon Pile Load Tester Test 12 Volt Battery, Alternator, Regulator
Main highlights- Tests for 6 or 12V Lead-acid batteries
- Test batteries up to 160Ah/1000CCA
- Suitable for cars, vans, motorcycle, RVs and farm vehicles
- Completely portable, outside power not required
- Color-coded temperature compensation pass or fail chart and color-coded separate voltmeter and ampere meter
- 500A load type battery tester
8.3Good
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10
Eyes.sysEyes.sys Electronic Load Tester, USB Load Tester, 180W 200V 20A Battery Capacity Tester Constant Current & Constant Voltage, 4 Modes, Intelligent Discharge Resistance Power Tester
Main highlights- Flexible input wiring interface design to support more DIY connections and extend the functions
- 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
- 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
8.1Good
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