Battery Pack General Testing Machine

The Battery pack general testing machine is a device that quickly and accurately tests the performance of the finished battery pack. Tests performed are : Open circuit voltage, AC internal resistance, discharge test, discharge over current test, short circuit protection test, charge test, and charge protection test. Test Item Test Result Range(unit) Resolution Open circuit voltage 1.Open circuit voltage 12.Open circuit voltage 2 0-100(V)0-100(V) ±2mV AC internal resistance 1.AC internal resistance 0-1000(mΩ) ±1mΩ Discharge test 1.Start voltage2.End voltage3.Discharge current4.Discharge time 0-100(V)0-100(V)0-120(A)0-60(s) ±2mV±2mV±1mA±1ms Discharge over current test 1.Overcurrent current2.Overcurrent delay 0-130(A)0-20(s) ±1mA±0.1ms Short circuit protection 1.Short circuit delay 0-9999(us) ±0.1us Charging test 1.Start voltage2.End voltage3.Charge current4.Charge time 0-100(V)0-100(V)0-20(A)0-60(s) ±2mV±2mV±1mA±1ms Charging over current test 1.Charge over current2.Over current delay 0-20(A)0-20(s) ±1mA±0.1ms