JK-BMS 4S to 8S 40A Smart BMS with Active Balancer for Lithium Battery Pack

JK-BMS 4S to 8S 40A Smart BMS with Active Balancer for Lithium Battery Pack JK-BD4A8S4P, is an intelligent battery management system designed to monitor, protect, and balance lithium battery packs used in energy storage systems, electric mobility, and DIY battery projects. It supports multiple lithium battery chemistries including Li-ion, LiFePO4, and LTO with configurable series connections from 3S to 8S depending on battery type. The integrated 0.4A active balancing technology equalizes cell voltage differences to improve battery efficiency and lifespan. With advanced protection features, Bluetooth connectivity, and optional communication interfaces such as RS485 and CAN, this BMS provides reliable battery monitoring and management for high performance lithium battery systems.Features:Smart battery management system for lithium battery packsSupports Li-ion, LiFePO4, and LTO battery chemistriesCompatible with 3S to 8S lithium battery configurationsIntegrated 0.4A active balancing technologyHigh current capability up to 40A continuous dischargeBluetooth monitoring support for Android and iOS devicesMultiple protection features including overcharge and short circuit protectionSpecifications:Product Type: Smart Battery Management SystemModel: JK BMS 4S to 8S 40ABattery Type: Lithium Ion Lithium Iron Phosphate Lithium TitanateBattery Configuration Li ion: 3S to 8SBattery Configuration Lifepo4: 4S to 8SBattery Configuration LTO: 7S to 8SBalance Method: Active BalanceActive Balance Current: 0.4AMOSFET Resistance: 2.8mΩContinuous Discharge Current: 40APeak Discharge Current: 60AOver Current Protection Range: 10A to 40A AdjustableOver Current Protection Release Time: 2S to 120S AdjustableOver Charge Protection Voltage: 1.2V to 4.35V AdjustableOver Charge Protection Release Voltage: 1.2V to 4.55V AdjustableOver Discharge Protection Voltage: 1.2V to 4.35V AdjustableOver Discharge Protection Release Voltage: 1.2V to 4.35V AdjustableSingle Cell Voltage Range: 1V to 5VVoltage Accuracy: ±5mVTemperature Sensor Quantity: 3Short Circuit Protection: YesBluetooth Function: Android and IOS SupportGPS Remote Control: SupportedCommunication Port: RS485 CANDimensions: 110mm × 73mm × 17mmMounting Type: PCB MountPackage Type: Anti Static PackApplications:Lithium battery pack protection systemsSolar energy storage battery management systemsElectric bike and electric vehicle battery packsPortable power station battery systemsDIY lithium battery pack building projectsIndustrial energy storage battery monitoring systemsPackage Includes:1 × JK BMS 4S to 8S 40A Smart BMS with Active Balancer for Lithium Battery Pack

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