JLGW BMS LFP 4S 6A

The BMS LFP 4S 6A by JLGW is a compact and reliable Battery Management System tailored for 4S (12.8V nominal) LiFePO4 battery packs. Engineered for low- to medium-current applications, this 6A BMS provides intelligent protection features for both charge and discharge cycles. Whether you are building a power bank, solar storage module, or small e-vehicle power system, this board offers safety, balance, and efficiency at an affordable price.

Key Features

• 4S BMS for LFP Chemistry

Fully compatible with 12.8V LiFePO4 battery banks.

• Safe Charging/Discharging

Built-in overcharge, over-discharge, and short circuit protection.

• Stable 6A Continuous Output

Perfect for medium-drain applications like backup systems and portable power stations.

• Efficient PCB Design

Designed for smooth integration into battery enclosures with thermally optimized layout.

• Extended Battery Life

Balanced cell voltages extend the operational lifespan of LiFePO4 cells.

Applications

• Solar Street Lights
• Emergency Power Banks
• Electric Tools
• Small EV Packs
• Medical Battery Packs
• Industrial Automation Backups

The PCM LFP 04S/6A (JLGW) is a Battery Protection Circuit Module (PCM) designed for 4 series Lithium Iron Phosphate (LFP) battery packs, supporting a 6A continuous discharge current. This module is ideal for moderate-power applications such as energy storage systems, backup power solutions, or small electric vehicles. It provides essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe operation of the battery. The JLGW designation refers to the specific manufacturer or design. The PCM also helps balance the battery cells, maintaining consistent voltage across the pack and extending its lifespan."