8S-10A LiFePO₄ (LFP) BMS — TDT Model

Overview
The TDT 8S-10A BMS is designed for 8-cell LiFePO₄ battery packs with a nominal voltage of 25.6V. It supports a continuous discharge current of 10A and includes essential safety protections and passive cell balancing, suitable for low-current applications such as small e-bikes, solar storage, and DIY battery projects.

Specifications

• Cell Configuration: 8S (8 cells in series)

• Battery Chemistry: LiFePO₄ (LFP)

• Nominal Voltage: 25.6V (3.2V × 8)

• Maximum Continuous Current: 10A

• Peak Current: 15A (brief duration)

• Balancing Type: Passive balancing

• Balance Current: Approx. 20mA–40mA

• Protection Features:

  • Over-voltage protection

  • Under-voltage protection

  • Over-current protection

  • Short-circuit protection

  • Over-temperature protection

• Communication: Typically not included

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

Features

• Monitors and protects individual cell voltages in 8S packs

• Passive balancing to maintain cell health during charging

• Basic but reliable protection for voltage, current, and temperature

• Compact and lightweight design for space-sensitive builds

• Ideal for low-power battery applications

Applications

• 25.6V LiFePO₄ battery packs

• Small electric vehicles and e-bikes

• Solar energy storage systems

• Portable power banks and tools

• DIY lithium battery projects

Important Notes

• Designed specifically for LiFePO₄ chemistry (3.2V per cell)

• Balance and power connections must be accurate for safe operation

• Load and charge currents should not exceed 10A continuous

• Does not include Bluetooth or advanced communication features

• Ensure proper heat dissipation during use