BMS NMC 7S 20A (JLGW) (0491)

JLGW BMS NMC 7S 20A Hardware

Product Data Sheet

The BMS NMC 7S 20A (JLGW) is a high-performance Battery Management System designed to monitor and manage 7-cell lithium-ion/NMC battery packs. With a 20A continuous discharge capacity, it ensures your battery pack operates within safe limits, preventing overcharge, over-discharge, overcurrent, short-circuiting, and cell imbalance. This advanced module incorporates balancing capabilities to maintain uniform voltage across all 7 cells, extending the battery life and performance.

Key Features

• •7S Battery Configuration – Supports battery packs made of 7 cells in series.
• •High Current Rating – Efficient handling of up to 20A continuous current for both charging and discharging.
• •Balancing Circuit – Equalizes voltage across all 7 cells for optimal performance.
• •Protection Functions:
• •Overcharge protection
• •Over-discharge protection
• •Overcurrent and short-circuit protection
• •Temperature protection (if applicable)
• •Compact Design – Lightweight and space-saving PCB ideal for portable battery packs.
• •Plug-and-Play JST Port – Simplifies integration with batteries and external connections.
• •Durable Build – Blue protective cover resists oxidation and environmental exposure.

Applications

• •E-Bikes and E-Scooters
• •DIY Power Banks
• •Solar Power Storage Systems
• •Robotics and Drone Systems
• •Home UPS Solutions
• •Electric Tools and Hobby Projects

Technical Specifications

Parameter	Value
Cell Configuration	7 Series (7S)
Battery Type	Lithium-ion (NMC)
Max Charge Current	20A
Max Discharge	20A
Balance Function	Yes
Size	Compact & lightweight
Protection Method	MOSFET + IC
Board Color	Green PCB with Blue Cover

Why Choose This BMS?

Choosing this 7S 20A JLGW BMS means investing in robust protection, longer battery lifespan, and consistent performance. Whether you're building a power tool, electric bike, or backup solar storage, this BMS module ensures you get maximum efficiency with minimum risk.

The PCM NMC 7S 20A (JLGW) is a Battery Protection Circuit Module (PCM) designed for 7 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 20A continuous discharge current. This module is suitable for moderate to high-power applications, such as energy storage systems, electric vehicles, and backup power solutions. It offers key protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe and reliable operation of the battery. The JLGW designation indicates the specific manufacturer or design. Additionally, the PCM helps balance the cells, optimizing performance and extending the lifespan of the battery pack.