2S 4A Lithium Battery Protection BMS Module for 7.4V NMC cells with Nickel Strip

2S 4A Lithium Battery Protection BMS Module for 7.4V NMC cells with Nickel Strip is a compact 2S lithium-ion battery protection module designed for building and protecting rechargeable battery packs using two 3.7V NMC cells connected in series. It provides a 7.4V nominal battery configuration with protection against overcharge, over-discharge, over-current, and short-circuit conditions. The module supports up to 4A continuous current and includes a nickel strip for spot-welding the battery cells, making it suitable for DIY battery packs and compact portable power applications.Features:2S lithium-ion battery protection module.Designed for two 3.7V NMC lithium-ion cells connected in series.7.4V nominal battery pack configuration.8.4V nominal full-charge voltage.Up to 4A continuous discharge current.Overcharge protection.Over-discharge protection.Over-current protection.Short-circuit protection.Automatic protection recovery after fault conditions.Low quiescent current for reduced battery drain.Compact PCB construction.Pre-attached nickel strip for battery assembly.Spot-weldable battery connection.Suitable for 18650 and compatible NMC lithium-ion cells.Suitable for DIY rechargeable battery packs.Useful for portable electronics, LED lighting, small motors, robotics, sensors, and other battery-powered projects.Specifications:ParameterValueProduct TypeLithium Battery Protection BMS ModuleBattery ChemistryNMC Lithium-IonBattery Configuration2SNumber of Cells2Nominal Cell Voltage3.7VNominal Pack Voltage7.4VFull Charge Voltage8.4VRecommended Charging Voltage8.4V CC/CVContinuous Discharge Current4AOver-Current ProtectionApprox. 4.5AOvercharge Detection Voltage4.25 ± 0.05V / CellOver-Discharge Detection Voltage2.75 ± 0.05V / CellOvercharge Release VoltageApprox. 4.15V / CellOver-Discharge Release VoltageApprox. 3.0V / CellShort-Circuit ProtectionYesShort-Circuit ResponseInstant CutoffShort-Circuit RecoveryAutomatic / Charge RecoveryQuiescent Current<30µAOperating Temperature-20°C to 60°CCell ConnectionSeriesProtection TypeBMS / PCMCharging MethodCC/CVCompatible Battery Type3.7V NMC Li-ionCompatible Cell Format18650 / Compatible Cylindrical CellsNickel StripIncludedNickel Strip ConnectionSpot WeldingPCB ConstructionCompact Protection PCBApplication2S Li-ion Battery PackAlso Check These Products:-4S 6Amps LFP Battery Protection BMS Module for 3.2V LFP cells1S 6A LFP 32650 Lithium Battery Protection Board 3.2V BMS3S 10A Lithium Battery Protection BMS Module for 11.1V NMC cells3S 10A Lithium Battery Protection BMS Module for 3.7V NMC cells without Nickel StripPackage Includes:1 x 2S 4A Lithium Battery Protection BMS Module

INR 31 · In stock