??????? ???? ?????Li-Ion Battery Protection Board- 18.5V/21V 15A 5S Li-ion Battery BMS Protection Board for Electric Power Tool 18560 Batteries

Specifications: DischargeLarge Discharge Current15AMomentary Discharge Current25AChargeCharge Voltage21VCharge Current15A(Max.)Overcharge ProtectionOvercharge Detection Voltage4.28±0.05VOvercharge Protection Delay0.5SOvercharge Cancel Voltage4.08±0.05VOver-discharge ProtectionOver-discharge Detection Voltage2.55±0.08VOver-discharge Detection Delay0.1SOver-discharge Cancel Voltage2.9±0.1VOvercurrent ProtectionOvercurrent Detection Voltage150mVOvercurrent Detection Delay9mSOvercurrent Protection Current30±3AProtection Cancel ConditionDisconnect LoadShort Circuit ProtectionShort Circuit Protection ConditionOutside Load Short CircuitShort Circuit Detection Delay250uSProtection Cancel ConditionDisconnect LoadInternal ResistanceMain Circuit Conduction Internal Resistance?20m?Self Power ConsumptionWorking Current?30uASleeping Current(Battery Over-discharge)?10uAOperating Temperature -30?~+80?Size 88*17*3mm/3.46*0.67*0.12" Package Includes: 1 x Protection Board Note: This product is not included battery.