4S – 20A JLGW Li-Ion BMS with Connector

Overview

The 4S – 20A JLGW Li-Ion Battery Management System (BMS) is a high-performance protection and management device designed for 4-series lithium-ion battery packs. Capable of handling a continuous discharge current of 20A, this BMS ensures the safety, reliability, and longevity of your battery pack by carefully monitoring and balancing each cell during charge and discharge cycles. The included connector enables straightforward installation and integration with your battery system.

Key Features

• Battery Configuration: Designed for 4-series (4S) lithium-ion cells, supporting packs up to approximately 14.8V nominal voltage

• Continuous Current: Supports up to 20A continuous discharge, suitable for medium power applications

• Comprehensive Protection: Safeguards battery pack from overcharge, over-discharge, overcurrent, short circuit, and temperature extremes

• Cell Balancing: Passive cell balancing to maintain uniform voltage across all cells, enhancing battery life and performance

• Easy Integration: Equipped with a plug-and-play connector for fast and reliable connection to battery packs and controllers

• Compact & Durable: Small footprint with robust construction to fit within compact battery assemblies

• Operating Temperature Range: Operates efficiently from -20°C to 60°C, suitable for most environmental conditions

Applications

• Electric Bicycles and Scooters

• Portable Battery Packs and Power Banks

• Electric Vehicles and Mobility Devices

• Renewable Energy Storage Systems

• DIY Battery Pack Assembly and Repairs

Technical Specifications