Features 1.Multiple Protections: The battery protection board has built in smart chip with protection functions such as overcurrent, overvoltage, high temperature, short circuit, etc. 2.With BMS Solution: Integrated BMS solution, with the advantage of a single chip to control multiple strings of lithium batteries. 3.Using MOS Tube: Special high efficiency MOS tube, the lower the internal resistance, the less loss, and the stronger the power. 4.Resistance Heat Release: Use resistance heat to release the extra power of high capacity batteries to achieve the purpose of balancing and extend battery life. 5.Aluminum Alloy Heat Sink: Use aluminum alloy heat sink to quickly dissipate heat and ensure the safety of components. 6.For Electric Equipments: Can be applied to supporting lithium batteries for electric tools, electric scooters, electric motorcycles, electric tricycles, electric vehicles, etc. Specification Item Type: Lithium Battery Protection Board Protection Function: Overcharge, overdischarge, overcurrent, temperature control, balance protection, etc. Charging Voltage: Number of strings x overcharge voltage (Ternary 4.2V) Applicable Single Battery Voltage: 3.7V Overcharge Protection Detection Voltage: 4.25V±0.05V Detection Delay: 1S Release Voltage: 4.15V±0.05V Balance Voltage Detection Voltage: 4.18V Release Voltage: 4.18V Balance Current: 30mA±5mA Over Discharge Voltage Protection Detection Voltage: 2.7V±0.1V Detection Delay: 1S Release Voltage: 3.0V±0.1V Over Discharge Current Protection Detection Delay: 1S Release Condition: Disconnect the load Short Circuit Protection Trigger Condition: Short circuit of external load Detection Delay: ≥250us Release Condition: Disconnect the load Temperature Control Protection Temperature During Charging: <-5℃, >50℃ Temperature During Discharge: -20℃-75℃ Self Consumption Working Power Consumption: 100uA Sleep Overdischarge Power Consumption: 20uA Temperature Range: -40℃-80℃ Package List 1 x Lithium Battery Protection Board 1 x Cable