Description
🔋 TDT BMS 12V 20Ah With Balance – Lithium Battery Protection Board
The TDT BMS 12V 20Ah with Balancing Function is designed for 4S LiFePO4 battery packs, providing reliable protection along with cell balancing to ensure longer battery life and stable performance. Ideal for small to medium applications, this BMS helps maintain safe and efficient battery operation.
⚙️ Key Features
- ✅ Compatible with 12V (4S) LiFePO4 Batteries
Suitable for 4 cells connected in series.
- 🔄 Built-in Cell Balancing (Passive Balance)
Maintains equal voltage across all cells, improving battery lifespan and efficiency.
- 🔒 Complete Protection System
- Over Charge Protection
- Over Discharge Protection
- Over Current Protection
- Short Circuit Protection
- ⚡ 20A Continuous Current Support
Ideal for low to medium load applications.
- 🌡️ Temperature Protection (if available)
Adds extra safety against overheating.
📊 Technical Specifications
- Brand: TDT
- Battery Type: LiFePO4
- Nominal Voltage: 12V
- Configuration: 4S (4 Cells in Series)
- Continuous Discharge Current: 20A
- Peak Current: 40A (Short Duration)
- Charge Voltage: 14.6V
- Balance Type: Passive Balancing
- Balance Current: ~30mA–60mA
- Protection Functions: Overcharge, Over-discharge, Overcurrent, Short circuit
- Operating Temperature: -20°C to 60°C
🔧 Applications
- 🔋 DIY Lithium Battery Packs
- 🔦 Emergency Lights / Backup Systems
- 🚲 Low Power Electric Vehicles
- ☀️ Solar Storage Systems
- 🛠️ Small Power Projects
📦 Package Includes
- 1 × TDT BMS 12V 20Ah With Balance Board
⚠️ Important Notes
- Use only with LiFePO4 4S battery packs.
- Ensure correct wiring before installation.
- Balancing function works mainly during charging.
- Not suitable for Li-ion batteries.
💡 Why Choose This BMS?
The TDT 12V 20Ah BMS with balance provides both safety and cell balancing, ensuring your battery pack runs longer, safer, and more efficiently—perfect for reliable everyday use.
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