Light Load at 60V — JKBMS JK-BD4A20S4P 40A Smart BMS for 8S–20S
The JK-BD4A20S4P covers the 8S–20S voltage range (24V–60V) at 40A continuous current — designed for electric scooters, light e-bikes, and small backup power systems running at 48V–60V. 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–20S (24V–60V) — Light Load Applications
The 8S–20S platform covers electric scooters and light e-bikes (48V–60V) in the light-load category. At 40A, this BMS is sized for commuter and recreational applications — reliable protection and active balancing for everyday use without the overhead of high-current designs.
⚡ 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?
🛴 Electric scooters (48V–60V, light load)
🚲 Light e-bikes running at higher voltages
🔋 Small backup power systems (24V–60V)
🏭 OEM manufacturers of 24V–60V 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.
