Light Load Across the Full Voltage Range — JKBMS JK-BD4A24S4P 40A Smart BMS for 8S–24S
The JK-BD4A24S4P covers the full 8S–24S voltage range (24V–72V) at 40A continuous current — designed for e-bikes, electric skateboards, and small backup power systems running up to 72V. Bluetooth and UART for LCD display monitoring are built in; RS485 and CAN are available as optional add-ons.
Voltage Platform & Load Class — Where This BMS Fits
📊 8S–24S (24V–72V) — Light Load, Wide Voltage Coverage
The 8S–24S range covers e-bikes and electric skateboards (36V–72V) in the light-load category. At 40A, this BMS is sized for commuter and recreational applications — the widest voltage coverage in the BD4 series, suitable for high-voltage light-load builds up to 72V.
⚡ 0.4A Active Balancing — Cell Health for Every Cycle
Active balancing continuously transfers energy between cells, keeping your pack balanced and efficient through every charge/discharge cycle.
Who Is This BMS For?
🚲 E-bikes (48V–72V, light load)
🛹 Electric skateboards & personal mobility (up to 72V)
🔋 Small backup power systems (24V–72V)
🏭 OEM manufacturers of 24V–72V 40A compact lithium battery packs
Custom Configuration Available
All JKBMS products support feature customization for OEM orders — including communication interfaces, protection thresholds, balance parameters, and hardware configuration. 📩 Contact us to discuss your custom requirements.
OEM / ODM & Bulk Orders
📩 For wholesale pricing, MOQ, and custom configurations, please contact us directly.
