JLGW BMS NMC 4S 6A

JLGW BMS NMC 4S 6A Hardware

Product Data Sheet

The BMS NMC 4S 6A (JLGW) is a precision-engineered Battery Management System tailored for 4-cell (4S) lithium-ion battery packs. This module supports up to 6A continuous current and provides reliable protection features to ensure the long-term health and performance of your battery pack. Ideal for applications where compact design and stable protection are essential, it’s the perfect choice for DIY battery pack builders, power tool engineers, and energy storage developers.

Key Feature

• •Accurate Overcharge & Overdischarge Protection
• •Overcurrent & Short-Circuit Safety
• •Thermal Protection & Automatic Recovery
• •Lightweight & Space-Efficient Design
• •High-Quality Components for Longevity

Specifications

Attribute	Details
Model	BMS NMC 4S 6A (JLGW)
Battery Chemistry	Lithium-ion (NMC 3.7V/cell)
Configuration	4S (4 series cells - 14.8V nominal)
Max Charge Voltage	16.8V
Charge Current	6A
Discharge Current	6A
Balance Feature	Not included
Protection Circuits	Overcharge, Overdischarge, Short-circuit, Overcurrent
PCB Dimensions	Compact strip layout (multiple per panel)
PCB Color	Green
Build Quality	Premium soldering, industrial-grade chips

Applications

• •Portable Lithium-ion Power Banks
• •DIY 14.8V Battery Packs
• •LED Lighting Systems
• •E-bike Battery Packs (Low-current builds)
• •Power Tools and RC Applications
• •Backup Battery Modules

Product Highlights

• •Designed for 4S NMC lithium-ion cells (14.8V systems)
• •Durable and reliable for long operational lifespan
• •Fully automated shutdown under unsafe voltage or current levels
• •Ensures safety while charging and discharging
• •Factory panelized for easy bulk assembly or DIY modifications

The PCM NMC 04S/6A (JLGW) is a Battery Protection Circuit Module (PCM) designed for 4 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 6A continuous discharge current. This module is ideal for moderate-power applications such as energy storage systems, backup power solutions, and small electric devices. It offers key protection features including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring safe and reliable battery operation. The PCM also helps maintain balanced voltage across the cells, optimizing performance and extending battery life.