Daly 4S 20A LiFePO4 BMS – 12.8V Battery Management System with Balance

Daly 4S 20A LiFePO4 BMS – 12.8V Battery Management System with Balance

The Daly 4S 20A LiFePO4 BMS is a high-performance Battery Management System designed to protect and enhance the performance of 12.8V LiFePO4 (Lithium Iron Phosphate) battery packs. With support for up to 20A continuous discharge current, this BMS ensures safe and efficient operation by providing reliable protection and intelligent balancing for 4S battery configurations.

✅ Key Features:

• Supports 4S LiFePO4 Packs (12.8V nominal)

• 20A Continuous Discharge Current

• Built-in Balance Function for maintaining consistent cell voltage

• Multiple Safety Protections:

  • Overcharge Protection

  • Over-discharge Protection

  • Overcurrent Protection

  • Short Circuit Protection

  • Temperature Protection (when thermistor connected)

• Compact and Durable Design for various battery applications

• High-Quality MOSFETs and PCB components for efficient power delivery

🔧 Specifications:

• Battery Type: LiFePO4 (Lithium Iron Phosphate)

• Configuration: 4S (4 cells in series)

• Nominal Voltage: 12.8V

• Max Charge Voltage: 14.6V

• Continuous Discharge Current: 20A

• Balance Function: Yes (typically activates around 3.6V per cell)

• Operating Temperature: -20°C to 60°C

• Dimensions: Compact form factor (varies by model)

⚡ Ideal For:

• Solar energy storage systems

• E-bikes, e-scooters, and electric tools

• Portable power supplies

• DIY battery pack projects

• Marine, RV, and off-grid applications

Whether you’re building a custom LiFePO4 battery pack or upgrading your existing system, the Daly 4S 20A BMS offers dependable protection, active balancing, and long-lasting performance trusted by professionals and DIYers alike.