🔒 Secure Your Power with Confidence! Includes balance cable, user manual, and a 36-month warranty for peace of mind. Waterproof, dustproof, and shockproof for all environments. Designed for extended cycle life with ultra-low power consumption. Operates efficiently in a wide temperature range from -20°C to 70°C. Comprehensive safeguards against overcharging, over-discharging, and short circuits. 100A Power -20 to 70°C Multi-Protection The VNSZNR LiFePO4 BMS is a high-performance Battery Management System designed for 4S 12V Lithium Iron Phosphate battery packs. It features advanced protection mechanisms, operates in extreme temperatures, and is built to last with a robust, waterproof design. The package includes essential accessories and a 36-month warranty, ensuring reliability and customer satisfaction.