Description
BMS LFP 4S 25A BLUE SQURE 8181A TDT (u246)
BMS LFP 4S 25A Blue Square 8181A (TDT) (U246) is a high-current battery management system designed for 4S LiFePO4 battery packs. It offers 25A continuous output with advanced protection features, ensuring safe, stable, and long-lasting battery performance for EV and solar applications.
BMS LFP 4S 25A Blue Square 8181A (TDT) (U246) is a robust and high-performance battery management system (BMS) engineered for 4S (4-series) LiFePO4 battery packs. Built to handle higher current loads up to 25A, this model is ideal for demanding applications such as electric vehicles, solar storage systems, and backup power solutions.
Featuring a durable blue square (8181A) design, this BMS ensures efficient heat dissipation and long-term reliability. It is equipped with intelligent protection circuitry that safeguards your battery pack from common risks like overcharging, deep discharge, overcurrent, and short circuits.
With built-in cell balancing, it maintains equal voltage across all cells, improving overall battery efficiency and significantly extending battery life.
🔑 Key Features
🔋 4S LiFePO4 Compatibility – Perfect for 12.8V battery systems
⚡ 25A Continuous Current – Suitable for high-load applications
🛡️ Advanced Protection System
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- Overcharge protection
- Over-discharge protection
- Overcurrent protection
- Short circuit protection
🔄 Cell Balancing Function – Enhances battery lifespan and performance
🌡️ Efficient Heat Management – Stable operation under load
🧩 Compact Blue Square Design (8181A) – Durable and easy to install








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