battery testing meter Polymer cell test highest level of accuracy ... range: 0.01-10A, highest level of accuracy and reliability,Voltage accuracy: ±2mV, current accuracy: ±0.07%FS, calibration ... cellVoltage Measurement Range (mV)10~5000Constant voltage Control Range (mV)2000~4300Minimum Voltage for cell Discharging (mV)1900Voltage Measurement ... AC220V±10% 60HzMaximum Power (kw)7 battery testing meter