4S 12V 30A LiFePO4 BMS Protection Board – TDT-8930
The TDT-8930 4S 30A BMS is a high-performance Battery Management System designed for 4-cell (4S) 12.8V LiFePO4 battery packs. It provides reliable protection and cell balancing to increase battery safety, efficiency, and lifespan. It is suitable for DIY battery packs, solar energy storage, UPS backup systems, electric vehicles, and portable power applications.
The board supports a 30A continuous discharge current and features intelligent protection against overcharging, over-discharging, short circuits, over-current, and abnormal temperature conditions. The built-in balancing function maintains equal voltage across all cells for better battery performance.
Key Features
- Designed for 4S (12V/12.8V) LiFePO4 battery packs
- Model: TDT-8930
- Continuous discharge current: 30A
- Peak discharge current: Up to 60A
- Built-in cell balancing
- Over-charge protection
- Over-discharge protection
- Over-current protection
- Short-circuit protection
- 0V charging support
- Compact size and easy installation
Technical Specifications
| Parameter | Value |
|---|---|
| Battery Type | LiFePO4 (LFP) |
| Number of Cells | 4S |
| Nominal Battery Voltage | 12.8V |
| Model Number | TDT-8930 |
| Continuous Current | 30A |
| Peak Current | 60A |
| Over Charge Detection | 3.65V–3.85V per cell* |
| Over Discharge Detection | Approximately 2.3V per cell |
| Balance Current | 30–50mA |
| Dimensions | Approx. 66 × 35 × 9 mm |
*Specifications may vary slightly between different TDT-8930 board revisions.
Applications
- DIY LiFePO4 battery packs
- Solar battery storage systems
- UPS backup batteries
- Portable power stations
- Electric scooters and e-bikes
- Robotics and industrial electronics
Reviews
There are no reviews yet.