DC Electronic Load Tester Battery Capacity Display Module 9999Ah 9999Wh 21V 20A Multifunctional Instrument

1.Descriptions: It is a battery capacity display module.It can provide 20A 20V 100W (MAX) constant current discharge test task.2.Feature: 1>.Automatic identification of four-wire voltage 2>.Double-ball bearing fan 3>.Use IR Power MOS 4>.Support reverse connection protection 5>.Supports overheating protection 6>.Support overvoltage protection3.Parameter: 1>.Product Name:Battery Capacity Display Module 2>.Work Voltage:DC 12V 3>.Input Current:0.5A 4>.Voltage Measurement Range:0.3V~21V 5>.Load Current:0.2A~20A 6>.Test Battery Capacity Current:0.5A~20A 7>.Capacity Test Range:9999Ah,9999Wh,9999min(stop at any value) 8>.Work Temperature:-25℃~85℃ 9>.Work Humidity:5%~95%RH 10>.Size:126.5*70.5*67mm4.Specific Instructions for Internal Resistance Test: 1>.Internal resistance test principle:DC pulse type test with dual differential polarization compensation operation(pulse 1A/5A) 2>.Internal resistance test effective range:80mR resolution 0.1mR,when r5A is enabled,the 5A pulse is started when the internal resistance of the battery under test is lower than 9.5mR,and the resolution is 0.01mR. 3>.Battery internal resistance test requirements:Battery voltage is not lower than 1V,reliable four-wire connection,battery capacity must be greater than 1000mAh,battery internal resistance does not exceed 80mR,otherwise it cannot be measured.5.Function Setting Method: 1>.Long press the "ON/OF" Button to connect the load to the 12V power supply and wait for the self-test until the display shows "Fun *"(* is a number). 2>.Rotate the knob to switch functions: 2.1>.Fun1:general constant current test load 2.2>.Fun2 adapter automatic test 2.3>.Fun3 battery capacity and internal resistance test. 3>.After selecting, press the "ON/OF" Button to enter the buzzer setting. 4>.Turn the knob to set: 4.1>.bEOn:buzzer is enabled 4.2>.bEOF buzz

• DC Electronic Load Tester Battery Capacity Display Module 9999Ah 9999Wh 21V 20A Multifunctional Instrument