3S 60A JLGW Li-ion Battery Management System (BMS) – Long PCB

Overview:
The 3S 60A JLGW Li-ion BMS is a high-current battery management system designed for lithium-ion battery packs with 3 cells connected in series. Featuring a long PCB design for easy installation in elongated battery packs, it supports continuous discharge currents up to 60 amps. This BMS provides robust protection including overcharge, over-discharge, overcurrent, short circuit protection, and passive cell balancing, ensuring safe and reliable battery operation.

Technical Specifications:

• Battery Type: Lithium-ion (Li-ion / NMC)

• Cell Configuration: 3S (3 cells in series)

• Nominal Voltage: 11.1V (3.7V × 3)

• Maximum Charge Voltage: 12.6V (4.2V × 3)

• Overcharge Protection: Approximately 4.25V per cell

• Over-discharge Protection: Approximately 2.8V per cell

• Continuous Discharge Current: 60A

• Overcurrent Protection: Typically 70A or higher

• Short Circuit Protection: Yes, with automatic recovery

• Cell Balancing: Passive balancing included

• Balancing Current: 30–60 mA per cell

• Quiescent Current: Less than 50 µA

• PCB Type: Long PCB format for space-efficient mounting

• Operating Temperature: -20°C to +60°C

• Country of Origin: China

Protection Features:

• Overcharge protection

• Over-discharge protection

• Overcurrent protection

• Short circuit protection

• Passive cell voltage balancing

Applications:

• High-power 3S lithium-ion battery packs

• Electric bikes, scooters, and light electric vehicles

• Portable power stations

• Power tools and robotics

• Solar battery backup systems

• DIY battery pack projects