Discharge: Over-discharge protection voltage: 2.7V0.05V Overdischarge recovery voltage: 3.0V0.05V Continuous working current: 20A/30A two versions Instantaneous protection current: 20A version = 80A (maximum) / 30A version = 120A (maximum) Over-current recovery conditions: charge recovery / disconnect load<br><br>Short-circuit recovery conditions: charge recovery / disconnect load Charge Overcharge protection voltage: 4.25V0.025V Overcharge recovery voltage: 4.15V0.025V Continuous charging current: 20A / 30A Charge equalization voltage: 4.2V0.025V Charge equalization current: 45MA (maximum) Charger voltage: 56V (recommended) Activation : Two ways to activate PACK for the first time: (1) B- and P- wires can be short-circuited once (2) Or charge to activate Charging over temperature: -5 to 55 Discharge over temperature: -30 to 70 Working power consumption: 4OuA Main circuit conduction internal resistance: 15m Temperature range: -40 to +80C Disconnection protection: Yes Same port wiring: B- Connect the negative pole of the battery, P- connect to the negative electrode of charge and discharge Colour:As Shown Material:PC+Metal<br><br>Package Contents: 1 x Lithium Battery Charge Balancer<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.