4S-10A LiFePO₄ (LFP) BMS — SLCT Model

Overview
The SLCT 4S-10A BMS is a compact and economical solution for 4-cell LiFePO₄ battery packs (12.8V nominal). It supports up to 10A continuous discharge and includes basic protection and passive balancing for small-scale battery applications like LED lighting, DIY power banks, and portable electronics.

Specifications

• Cell Configuration: 4S (4 cells in series)

• Battery Chemistry: LiFePO₄ (LFP)

• Nominal Voltage: 12.8V (3.2V × 4)

• 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: Not supported

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

Features

• Basic protection for voltage, current, and temperature

• Automatically balances cell voltages during charge

• Lightweight, low-cost BMS for small battery packs

• Reliable performance for low-current applications

• Simple installation and compact form factor

Applications

• 12.8V LiFePO₄ battery packs

• LED lighting and power banks

• Backup battery systems

• DIY electronics and robotics

• Small solar storage systems

Important Notes

• Designed only for LiFePO₄ (3.2V per cell) batteries

• Not suitable for high-power or high-current systems

• Balance and power wires must be properly connected

• No Bluetooth or smart communication features

• Ensure load and charge current does not exceed 10A