Explore our collection of 4S LiFePO4 BMS modules, designed for 4-cell (12.8V) lithium iron phosphate battery packs. These reliable and compact battery management systems provide comprehensive protection including overcharge, over-discharge, overcurrent, and short circuit protection, ensuring safe and efficient battery operation. Ideal for a wide range of applications like solar storage systems, portable power stations, electric tools, and DIY energy projects, each module features cell balancing to maintain voltage uniformity across all cells and extend overall battery life. Available in multiple output current variants, our 4S BMS modules are easy to integrate and deliver consistent, high-performance battery protection. Choose the right BMS for your 12.8V LiFePO4 battery pack and power your projects with confidence.