2S 4A Li-ion Battery Protection BMS Module for 7.4V NMC Cells with Nickel Strips

2S 4A Li-ion Battery Protection BMS Module for 7.4V NMC Cells with Nickel Strips is a compact 2S lithium-ion battery protection module designed for two 7.4V NMC lithium-ion cells connected in series. It provides a 7.4V nominal battery configuration with an 8.4V full-charge voltage and supports up to 4A continuous current. The module provides essential protection against overcharge, over-discharge, over-current, and short-circuit conditions, while the included nickel strips allow convenient spot-welding during battery pack assembly.Features:2S lithium-ion battery protection module.Designed for two 3.7V NMC cells connected in series.7.4V nominal battery pack configuration.8.4V maximum charging voltage.Supports up to 4A continuous discharge current.Overcharge protection.Over-discharge protection.Over-current protection.Short-circuit protection.Provides cell-level voltage protection.Helps protect the battery pack during charging and discharging.Compact PCB design for easy battery pack integration.Nickel strips included for battery cell connection.Suitable for spot-welded battery pack construction.Suitable for compatible 18650, 21700, and other NMC lithium-ion cells.Useful for DIY battery packs, portable electronics, LED lighting, robotics, sensors, and small power systems.Specifications:ParameterValueProduct Type2S Lithium-Ion Battery Protection BMS ModuleBattery ChemistryNMC Lithium-IonBattery Configuration2SNumber of Cells2 CellsCell ConnectionSeriesNominal Cell Voltage3.7VNominal Pack Voltage7.4VFull Charge Voltage8.4VRecommended Charging Voltage8.4V DCCharging MethodCC/CVContinuous Discharge Current4AMaximum Continuous Current4AOvercharge ProtectionSupportedOvercharge Detection VoltageApprox. 4.25V / CellOver-Discharge ProtectionSupportedOver-Discharge Detection VoltageApprox. 2.75V / CellOver-Current ProtectionSupportedOver-Current Protection LevelApprox. 4.5AShort-Circuit ProtectionSupportedShort-Circuit ResponseInstant ProtectionCell MonitoringSupportedQuiescent Current<30µAProtection TypeBMS / PCMCompatible Battery TypeNMC / Li-ionCompatible Cell Voltage3.7V NominalCompatible Cell Formats18650 / 21700 / Compatible CellsNickel StripsIncludedNickel Strip MaterialNickel / Nickel-Plated Metal*Nickel Strip ConnectionSpot WeldingPCB ConstructionFR-4 Protection PCBOperating TemperatureApprox. -20°C to 60°CCharging ProtectionSupportedDischarge ProtectionSupportedApplication2S Rechargeable Li-ion Battery PacksAlso 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 Li-ion Battery Protection BMS Module for 3.7V NMC Cells

INR 27 · In stock