Discharge current: 12A Charging current (same port): less than or equal to 10A Main circuit conduction internal resistance: less than or equal to 20m ohm Charging voltage: 21V<br><br>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 Self-consumption Working power consumption: less than or equal to 20UA Sleep over discharge power consumption: less than or equal to 10UA Working temperature range: -30/+80℃ Colour: green Material: PCB Size: 88x17x1.2MM<br><br>Package Contents: 1 * Battery Protection Board<br><br>Only the above package content, other products are not included. Note: Light shooting 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.