Feature This protection board adopts mature protection circuit, special IC, imported high-current ultra-low internal resistance MOS (the internal resistance of a single MOS is as low as 3 milliohms), and has various protection functions of perfect and stable charging and discharging. Small size and large current can be used in high current occasions such as power tools, motors, and aircraft models. Description: FOR Li-POLYMER LiMnO Protect Parameter(3.6V/3.7V) Single Cell overcharge protect voltage: 4.23 - 4.28V Single Cell overcharge rotect recover voltage: 4.08 - 4.18 overcharge protect delay: 0.5 - 1.5S Single Cell over-discharge protect voltage: 2.72 - 2.88V Single Cell over-discharge rotect recover voltage: 2.9 - 3.1V overcharge protect current: 60A over-discharge protect current: 60A over-discharge protectdelay: 0.5 - 1.5S temperature protect: YES disconnect protect: YES shortage protect: YES shortage delay: 100 - 600μS shortage protect recover: YES Charging current: 25A discharging current: 25A charging voltage : 12.6V for 3S,16.8V for 4S,21V for 5S Product size: 54.66*17.98mm package included : 1 *Protection Circuit Charging Board Module This protection board adopts mature protection circuit, special IC, imported high-current ultra-low internal resistance MOS (the internal resistance of a single MOS is as low as 3 milliohms), and has various protection functions of perfect and stable charging and discharging. Small size and large current can be used in high current occasions such as power tools, motors, and aircraft models. FOR Li-POLYMER LiMnO Protect Parameter(3.6V/3.7V) Single Cell overcharge protect voltage: 4.23 - 4.28V Single Cell overcharge rotect recover voltage: 4.08 - 4.18