Continuous Discharge Current: 30A Instantaneous discharge current:100A Charging voltage: 54.6V Maximum charging current: 30A Overcharge detection voltage: 4.250.025V Overcharge protection delay: 10030ms Overcharge release voltage: 4.050.1V Overcharge detection voltage: 4.20.025V Battery balance detection voltage: 4.20.025V Battery balance release voltage: 4.20.05V Battery balance current: 425A Overdischarge detection voltage: 2.70.1V Overdischarge detection delay: 10030ms Overdischarge release voltage: 3.00.1V Overcurrent detection voltage: 150mV Overcurrent detection delay: 10ms Overcurrent protection current: 13020A Overcurrent protection release condition: disconnect load Short circuit protection condition: external load short circuit Short circuit detection delay: 300100uS Short circuit protection release condition: disconnect load Main circuit conduction internal resistance: less than equal 15m Working current: less than equal 50uA Sleep current (when the battery is over-discharged): less than equal 15uA Temperature range: -30/+80C Size: 80*55*10mm colour:Silver + green Material:Metal + PCB Package Contents: 2 * Li-ion Battery Protection Board 2 * Cabel wire Only the above package content, other products are not included. Note: Light 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.