4S 30A Battery Management System BMS LifePO4

4S 30A LiFePO4 Battery Management System (BMS)
Reliable Protection for 12.8V Lithium Iron Phosphate Packs

Power up your LiFePO4 battery packs with confidence using this advanced 4S 30A Battery Management System (BMS). Specifically engineered for 4-cell (4S) LiFePO4 configurations, this BMS ensures safe, efficient, and long-lasting battery performance for your energy storage, solar, or DIY power projects.

✅ Key Features:

• Cell Configuration: 4S (4 series-connected LiFePO4 cells)

• Rated Current: 30A continuous discharge

• Overcharge Protection: Prevents cells from exceeding safe voltage limits (typically ~3.65V)

• Over-discharge Protection: Automatically disconnects load to prevent deep discharge (usually ~2.5V per cell)

• Overcurrent and Short Circuit Protection: Safeguards your battery from damage due to high current or faults

• Balanced Charging: Keeps all cells at equal voltage levels during charging for improved longevity

• Temperature Protection (if equipped with a sensor): Shuts down charging/discharging under unsafe thermal conditions

🛠️ Applications:

• DIY Power Walls

• Solar Energy Storage

• Electric Scooters, Bikes & Tools

• Portable Power Banks

• RV and Marine Battery Systems

⚙️ Technical Specifications:

• Battery Type: LiFePO4 (Lithium Iron Phosphate)

• Series Count: 4S (12.8V nominal)

• Max Charging Voltage: 14.6V

• Max Continuous Current: 30A

• Balance Current: Typically 30–60mA

• PCB Dimensions: Varies by model (commonly ~60mm x 45mm)

Why Choose This BMS?
Built with safety and efficiency in mind, this 4S 30A BMS is ideal for medium-power LiFePO4 applications where reliable operation and protection are critical. Whether you're assembling a custom battery pack or upgrading an existing system, this BMS ensures every cell performs within its optimal range.