Description
JK Smart Active Balance BMS 40A – 0.6A Balancer, /8S–24S, Built-in Bluetooth

JK Smart BMS 40A with 0.4A active balancing & built-in Bluetooth. Supports 7S–24S LiFePO4/Li-ion/LTO with smart protections & app monitoring.
Specifications
- Brand/Platform: JK / JIKONG Smart BMS
- Battery Strings Supported: 7S–24S (model dependent)
- Continuous Current: 40A
- Balancing Type: Active Balancing (Full State On)
- Balancing Current: 0.6A (600mA)
- Chemistry: LiFePO4 / Li-ion / LTO
- Bluetooth: Built-in; Android/iOS Supported
- Cell Voltage Detection Range: 0–5V
- Voltage Measurement Error: Typical <5mV; Full Range <10mV
- Wiring: Same Port
Why This Product Is Important to Buy
A lithium battery pack is only as safe as its management system. The JK Smart BMS protects against critical fault conditions and keeps cells balanced using active balancing technology. This is especially important in multi-cell battery packs where imbalance can reduce usable capacity, shorten lifespan, and affect overall system stability. Investing in a quality BMS ensures safer operation, better performance, and longer battery life.
Why Buy From DenBloom
- Authentic product sourcing – Quality you can trust for your battery build
- Pre-sale guidance to match the correct BMS to your battery chemistry and series count (8S–24S)
- After-sale support for app setup, wiring basics, and configuration
- Careful packing and fast dispatch for electronic components
- Customer-first service – We help you get it running correctly, not just shipped
Use Cases
- Smart Battery
- E-bikes
- E-scooters
- Light EV battery packs
- Compact solar power stations and storage systems
- DIY lithium battery projects requiring smart monitoring and active balancing
Quick FAQ
- Q: Does it support LiFePO4 and Li-ion?
Yes. It supports LiFePO4, Li-ion, and LTO battery types. Always confirm the correct series count for your battery pack before ordering.
Q: Is Bluetooth included or do I need a separate module?
Bluetooth is built-in, and the app works with both Android and iOS devices.
Q: What does “0.6A active balance” mean?
It actively transfers energy between cells at up to 400mA to help equalize cell voltages and improve overall battery performance.


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