4S-60A LiFePO₄ (LFP) BMS — JBD Model

Overview
The JBD 4S-60A BMS is built for 4-cell LiFePO₄ battery packs with a nominal voltage of 12.8V. It supports up to 60A of continuous discharge current, delivering robust safety features, passive balancing, and optional smart communication (Bluetooth, UART, or CAN), depending on the model.

Specifications

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

• Battery Chemistry: LiFePO₄ (LFP)

• Nominal Voltage: 12.8V (3.2V × 4)

• Maximum Continuous Current: 60A

• Peak Current: 80A to 100A (short duration)

• Balancing Type: Passive balancing

• Balance Current: Approx. 30mA–80mA

• Protection Features:

  • Over-voltage protection

  • Under-voltage protection

  • Over-current protection

  • Short-circuit protection

  • Over-temperature protection

  • Under-temperature protection

• Communication Options (depends on version):

  • Bluetooth

  • UART / RS485 / CAN

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

Features

• Real-time cell voltage monitoring and management

• Passive balancing to equalize cells during charge cycles

• Full protective circuitry to prevent common battery faults

• Optional Bluetooth app support for configuration and diagnostics

• Compact, reliable build for medium current 4S battery systems

Applications

• 12.8V LiFePO₄ battery packs

• Power tools, small EVs, and scooters

• Solar energy storage and backup systems

• DIY lithium battery projects requiring up to 60A

• Portable power solutions and inverter packs

Important Notes

• Only compatible with LiFePO₄ chemistry (3.2V per cell)

• Ensure proper wiring of balance and power terminals

• Load and charger currents must stay within rated limits

• Smart features depend on the model (verify before use)

• Cooling recommended for sustained high-current applications