JLGW BMS NMC 1S 5A

JLGW BMS NMC 1S 5A Hardware

Product Data Sheet

The BMS NMC 1S 5A ROUND (JLGW) is a precision-built, space-saving single-cell protection circuit designed for NMC Lithium-ion 3.7V batteries. It features a compact round design with pre-attached nickel strips, making it the ideal choice for integrating into cylindrical and tightly packed battery modules.

Technical Specifications

Parameter	Specification
Cell Configuration	1S (3.7V Li-ion/NMC)
Output Current	5A
Overcharge Protection	4.25V ± 0.05V
Over-discharge Protection	2.75V ± 0.05V
Overcurrent Threshold	~6A
Short Circuit Protection	Yes (Auto recovery / Cut-off)
PCB Format	Round with Nickel Strip
Connection Method	Spot Welding
Operating Temp	-20°C to +60°C
Dimensions (approx)	Ultra compact for 18650/21700 formats

Key Features

• •Compact Round PCB: Optimized for cylindrical cell integration and small enclosures.
• •5A Rated Discharge: Perfect for devices needing higher current without bulky BMS.
• •Comprehensive Protection: Prevents over-voltage, under-voltage, short circuits, and overcurrent.
• •Pre-welded Nickel Strips: Enables faster and safer battery pack assembly.
• •Plug-and-Play Design: Simple installation without extra connectors.

Applications

• •Digital Cameras
• •Handheld Medical Instruments
• •GPS Modules
• •Custom Battery Packs
• •Tactical Flashlights
• •Portable Gadgets

The PCM NMC 01S/5A (JLGW) is a Battery Protection Circuit Module (PCM) designed for 1 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 5A continuous discharge current. This module is suitable for low to moderate power applications, such as small energy storage systems, backup power solutions, and portable electronics. It provides essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe and reliable operation of the battery. The JLGW designation refers to the specific manufacturer or design. The PCM helps maintain battery health by balancing the voltage across cells, optimizing performance, and extending the battery pack’s lifespan.