Features The protection board is for 10 series cell Li-ion batteries, it can be used for ternary batteries, manganese acid batteries and cobalt acid batteries. Charging connector and discharging connector are separated, discharging current is 35A. Stable various protective functions for charging and discharging, such as overcharge protection, over-discharge protection and short circuit protection. It has balance function which would ensure each battery cell being fully charged at same time. Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries. Specifications:DischargeContinuous Discharge Current35AMomentary Discharge Current100AChargeCharge Voltage42VCharge Current8A(Max.)Overcharge ProtectionOvercharge Detection Voltage4.28±0.05VOvercharge Protection Delay100mSOvercharge Cancel Voltage4.08±0.05VBalanceBalance Detection Voltage4.2±0.025VBalance Cancel Voltage4.2±0.05VBalance Current56±5mAOver-discharge ProtectionOver-discharge Detection Voltage2.55±0.08VOver-discharge Detection Delay50mSOver-discharge Cancel Voltage3.0±0.1VOvercurrent ProtectionOvercurrent Detection Voltage150mVOvercurrent Detection Delay15mSOvercurrent Protection Current120±5AProtection Cancel ConditionDisconnect LoadShort Circuit ProtectionShort Circuit Protection ConditionOutside Load Short CircuitShort Circuit Detection Delay200uSProtection Cancel ConditionDisconnect LoadInternal ResistanceMain Circuit Conduction Internal Resistance≤15mΩSelf Power ConsumptionWorking Current≤50uASleeping Current(Battery Over-discharge)≤10uAOperating Temperature -30℃~+80℃Size 69*51.5*10mm/2.71*2.02*0.39" Package Includes:1 x Protection Board1 x Cable Package List