Product Parameter Model: EBC-A40L Voltage range: charge 0-5V, discharge 0-5V Voltage accuracy: 0.2% ± 0.03V Current range: charge 0.1-40A, discharge 0.1-40A Current accuracy: 0.2% ± 0.01A Discharge mode: CC constant current discharge / CP Constant power Discharge termination: time / voltage is lower than the set limit / Manual Discharge power: maximum 200W Charge mode: CV constant current constant voltage charging Charge termination: constant current is less than the set limit / Manual Capacity test: 10Ah, the resolution of 0.001Ah 10Ah-100Ah, the resolution of 0.01Ah above 100Ah, the resolution 0.1Ah Cooling method: fan active cooling Equipment Supply: 220VAC Package Include: 1x tester 1x Online line 1x test lines 1xpower cord