Smart BMS 4S 12V 250A LiFePO4 Protection Module Pro Grade With UART And Balance Leads For 18650 Battery Pack 3.2V Cells Short Circuit Overcharge Overdischarge Temperature Protection

4S LiFePO4 BMS 12V 250A single-unit with UART & Leads
✔️ Pro-grade BMS for 4S LiFePO4 packs with UART, Bluetooth, protection

This 4S 12V LiFePO4 BMS module is designed for 18650 cell packs (3.2V nominal per cell). It provides overcurrent, overcharge, overdischarge, short circuit, and temperature protection to extend pack life. The kit includes a BMS unit, Bluetooth module, NTC sensor, sampling cable, UART cable, and instruction manual for easy setup.

✅ 4S LiFePO4 BMS module, 12V pack, 250A protection
✅ Overcurrent, overcharge, overdischarge, short circuit protection
✅ Temperature protection with NTC sensor
✅ UART and Bluetooth connectivity for remote monitoring
✅ Includes NTC sensor, sampling cable, UART cable, and manual
✅ Waterproof, dustproof, shockproof enclosure and durable build

💡 What is a LiFePO4 BMS used for in a 4S 12V battery pack?

It protects and optimizes performance in real-world builds.

- Protects against overcharge, overdischarge, and short-circuit risks
- Monitors temperature and voltages via UART/Bluetooth
- Balances cells to extend pack life
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