JKBMS Smart BMS 4S-8S 40A 0.4A Active Balance Built-in Bluetooth with RS485 PCB Battery Protection Board Li-ion LiFePO4 LTO Battery Pack (JK-BD4A8S4P)

Enhanced Safety: Safeguard your battery with protection against overcharging, overdischarging, overcurrent, short circuits, and temperature extremes. JKBMS Active Equalization extends battery life and enhances performance ^^
Easy Connection: Effortlessly manage your battery with JK BMS mobile app for Android and iOS. Bluetooth connectivity allows you to monitor status, adjust settings, and control charging/discharging from your device ^^
Wide Application: This versatile BMS works with Li-ion, LiFePO4, and LTO batteries. Ideal for solar street light, power banks and so on, it offers seamless integration and top performance ^^
After-Sales Support: If you have any questions or concerns, please contact us through your order page. We are committed to providing assistance and ensuring your satisfaction with our 1-year support ^^
Packing List: Includes Smart BMS (JK-BD4A8S4P) * 1, Wires (70cm) * 1, Switch (50cm) * 1, NTC (40cm) * 1, Screws * 2, Operate manual * 1, (RS485 converter not included). Everything you need for setup and operation