Discharge current: 12A Charging current ( port): less than or equal to 10A Main circuit conduction internal resistance: less than or equal to 20m ohm Charging voltage: 21V Overcharge protection Detection voltage: 4.25 +/- 0.025V Detection delay: 100 +/- 50Ms Release voltage: 4.15 +/- 0.1V Over discharge protection Detection voltage: 2.7 +/- 0.08V Detection delay: 100 +/- 50MS Release voltage: 3.0 +/- 0.1V Overcurrent protection Detection voltage: 100MV Detection delay: 1000MS Current protection: 20 +/- 3A -consumption Working consumption: less than or equal to 20UA over discharge consumption: less than or equal to 10UA Working temperature range: -30/+80 Colour: green Material: PCB Size: 88x17x1.2MM Package Contents: 1 * Battery Protection Board Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.