BMS LFP 4S 20A WITH BALANCE (JLGW) (0548)
Product Price
₹130
Description
JLGW BMS LFP 4S 20A Hardware
Product Data Sheet
The BMS LFP 4S 20A WITH BALANCE (JLGW) is a high-capacity, precision-engineered battery protection and management system tailored for 12.8V LiFePO4 battery packs. It’s ideal for applications where moderate-to-high current draw is expected, such as e-mobility, solar storage systems, and industrial power modules.
Technical Specifications
| Parameter | Specification |
|---|---|
| Battery Type | LFP (Lithium Iron Phosphate) |
| Series Configuration | 4S (4 Cells in Series) |
| Nominal Voltage | 12.8V |
| Charge Cut-off Voltage | 14.6V |
| Continuous Discharge Current | 20A |
| Balance Feature | Yes – Passive Balancing |
| Balance Activation Voltage | ~3.5V per cell |
| Overcharge Protection | Yes |
| Over-discharge Protection | Yes |
| Short Circuit Protection | Yes |
| Temperature Protection | Yes (Thermistor sensor wire included) |
| Board Material | High-grade FR4 with aluminum heat sink |
| PCB Color | Blue/Green Alloy Shield (Based on lot) |
| Dimensions | Compact with screw mounting slots |
| Connector Type | JST with integrated harness port |
Key Features
-
High Current Handling (20A)
Supports a stable discharge current of up to 20A, making it suitable for medium-duty applications such as e-bikes and battery packs for tools or inverters. -
Optimized for 4S LFP Systems
Designed specifically for 12.8V LiFePO4 packs, ensuring safety and compatibility. -
Smart Passive Balancing Circuitry
Maintains cell voltage uniformity, preventing imbalanced cell stress and extending overall battery pack lifespan. -
Plug-and-Play JST Connector
Allows quick and secure wiring, ideal for modular battery builds or OEM assembly. -
Thermal and Short Circuit Protection
Equipped with built-in thermistor and short protection, ideal for safe installations in enclosed or warm environments. -
Solid Build Quality
Constructed with premium components for long-term durability and protection from thermal and voltage irregularities.
Application Areas
- Solar Panel Storage Banks
- Electric Bicycles and Scooters
- Portable Power Tool Packs
- Outdoor Camping Power Supplies
- Battery Design and R&D Applications
The PCM LFP 04S 20A (JLGW) is a Battery Protection Circuit Module (PCM) designed for 4 series Lithium Iron Phosphate (LFP) battery packs, supporting a 20A continuous discharge current. This module is ideal for higher-power applications such as energy storage systems, backup power solutions, and electric vehicles. It provides essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe operation and reliability of the battery. The JLGW designation refers to a specific manufacturer or design. The PCM also helps to maintain cell balance, optimizing the performance and longevity of the battery pack.