JK Smart BMS 8S-20S 40A with 0.4A Active Balancing – JK-BD4A20S4P
The JK-BD4A20S4P Smart BMS is a compact battery management system designed for 8S–20S lithium battery packs, offering reliable protection and stable low-current performance. With 0.4A balancing, precise monitoring, and smart Bluetooth connectivity, it is ideal for small to medium solar storage and DIY lithium battery packs.
| Feature | Specification |
|---|---|
| Model | JK-BD4A20S4P |
| Battery Series | 8S – 20S |
| Compatible Battery Types | LiFePO4 / Li-ion / LTO |
| Continuous Charge/Discharge Current | 40A |
| Balancing Type | Active Balancing |
| Balancing Current | 0.4A |
| Internal Resistance | Approx. 1.2 mΩ |
| Communication | Bluetooth |
| Monitoring | Mobile App Real-Time Monitoring |
| Protection Functions | Over-charge, Over-discharge, Over-current, Short Circuit, Over-temperature |
| Voltage Detection Accuracy | ±5 mV |
| Temperature Monitoring | Built-in Temperature Sensor |
| Applications | Small Solar Systems, Backup Power, DIY Lithium Battery Packs |
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