BMS LFP 4S 30A WITH BALANCE (JLGW) (809e)

JLGW BMS LFP 4S 30A WITH BALANCE Hardware

Product Data Sheet

The BMS LFP 4S 30A WITH BALANCE (JLGW) is a high-performance Battery Management System engineered for 12.8V LFP battery packs, providing advanced protection and optimal performance in medium to heavy-duty battery setups. This module is suitable for applications that demand higher load currents like e-rickshaws, power inverters, and energy storage systems.

Technical Specifications

Feature	Details
Cell Configuration	4S (4 series)
Nominal Voltage	12.8V (LiFePO4 Chemistry)
Maximum Charge Voltage	14.6V
Continuous Discharge Current	30A
Charging Current	30A
Balance Function	Yes – Passive Balancing
Balance Activation Voltage	~3.5V per cell
Cut-off Protections	Overcharge, Over-discharge, Short, Thermal
Temperature Sensor	Yes (with included wire)
Port Type	JST Connector
PCB Color	Blue Aluminum-Coated Board
Dimensions	Compact Fit with Mounting Holes
Application Type	LFP Lithium Packs

Key Features

• •

  High Load Capacity (30A) Designed to support medium to high current loads, ideal for solar banks and mobile energy storage systems.

• •

  Optimized for 4S LiFePO4 Packs Works flawlessly with 4-cell LiFePO4 batteries offering superior energy density and safety.

• •

  Integrated Balancing System Ensures each cell maintains similar voltage, avoiding capacity degradation over time.

• •

  Secure JST Connectivity Features a plug-and-play JST interface for easy battery terminal connectivity and maintenance.

• •

  Comprehensive Protection Built-in features protect against short circuit, overcurrent, overvoltage, undervoltage, and overtemperature.

• •

  Clear Labeling and Indicators The etched panel includes vital specifications, making integration and troubleshooting seamless.

Applications

• •Solar Energy Systems
• •Electric Rickshaws & EVs
• •DIY Power Banks and UPS
• •Battery Prototyping & Testing
• •Outdoor Power Solutions & Backup Power Units

The PCM LFP 04S 30A is a Battery Protection Circuit Module (PCM) designed for 4 series Lithium Iron Phosphate (LFP) battery packs, supporting a 30A continuous discharge current. This module is suitable for high-power applications such as energy storage systems, electric vehicles, and backup power solutions. It offers essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe and efficient operation of the battery. The PCM helps maintain balanced voltage across the cells, optimizing performance, and extending the overall lifespan of the battery pack.