DescriptionModel Number : 4S 30ACompale Brand/Model : NoneBrand Name : SZEKSOrigin : Mainland ChinaCondition : NewIs Customized : YesType : Voltage Regulator4S 30A 12.8V W/Balance 3.2V LiFePo4 LiFe 18650 Battery BMS Protection PCB BoardDescriptionThis board is 4 string 3.2V Lithium iron phosphate battery protection boardHigh current protection board, continuous 30A current, with balance circuitSpecificationDischarge:Continuous Discharging Current: 30A(MAX)Instantaneous Discharge Current: 56ACharge:Charging Voltage: 14.8VCharging Current: 20A (MAX)Overcharge Protect:Over-charge Detect: 3.750.05VProtect Delay: 1300MSOver-charge Release: 3.600.05VBalance:Detect Voltage: 3.600.05VRelease Voltage: 3.590.05VBalance Current: 58mAOver-discharge Protect:Over-discharge Detect: 2.10.08VOver-discharge Detect delay: 145SRelease Voltage: 2.30.1VOver-current Protect:Detect Voltage: 200mVDetect Delay: 20mSCurrent Detect: 5610ARelease Condition: Cut LoadInner Resistance: 20mSelf-Consumption:Working Current: 30uASleep Current (when Over-discharge): 20uAWorking Temperature Range: -30+80PCB Board Size: 56x47mm/2.2x1.85"Package Included1 Pcs 4S LiFePo4 18650 Battery BMS Packs PCB Protection Board