4S-10A LiFePO₄ (LFP) BMS — JLGW Model

Overview
The JLGW 4S-10A BMS is designed for 4-cell LiFePO₄ battery packs (nominal 12.8V), supporting continuous discharge currents up to 10A. It offers essential battery protection features along with passive balancing, ideal for small to medium power applications such as portable power, LED lighting, and small electric vehicles.

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 (short bursts)

• 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 no smart communication included

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

Features

• Monitors individual cell voltages to maintain battery health

• Passive balancing during charging

• Provides standard safety protections for LiFePO₄ batteries

• Compact and easy to install

• Suitable for low-to-mid power applications

Applications

• 12.8V LiFePO₄ battery packs

• Portable power systems and LED lighting

• Small electric vehicles and scooters

• DIY battery projects and solar storage

Important Notes

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

• Ensure correct wiring of balance and power leads

• Continuous discharge current should not exceed 10A

• No Bluetooth or advanced communication features included

• Proper ventilation and cooling recommended