2 Pcs BMS 5S 12A 21V Li-Ion Screwdriver Battery Charge Board

current Continuous discharge current: 0-12A Overcharge protection Overcharge single cell detection voltage: 4.25V Overcharge protection delay: 1S Overcharge single cell recovery voltage: 4.125V Overcharge protection release delay: 1mS Over discharge protection Over-discharge single cell detection voltage: 2.7V Over-discharge protection delay: 1S Over-discharge single cell recovery voltage: -3.0V Over-discharge protection release delay: 100±20mS overcurrent protection Overcurrent detection voltage: 0.1-0.2V Overcurrent detection current: 30±5A Overcurrent detection delay: 1S Recovery status: automatic recovery Short circuit protection With or without short circuit protection: yes Short circuit detection delay: 250uS Short circuit release delay: 1S Short circuit detection voltage: 0.5V Recovery state: automatic recovery after disconnecting the load temperature protection Over temperature protection temperature: 70±5℃ Over temperature recovery temperature: 55±5℃ Power consumption Working status: 20uA (25℃) Sleep state: 6uA (25℃) Internal resistance Discharge main circuit internal resistance: 30±5mΩ size L x W: 62 x 64(mm) Package Contents: 2 x Protection board 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.