amiciSolar 12V 4S 20A BMS LiFePO4 Battery Protection Board With Balance | Overcharge, Over-Discharge, Overcurrent & Short-Circuit Safety | Automatic Recovery for E-Bikes, Solar Systems & DIY Projects

Why You Need This Product – Protect your expensive LiFePO4 batteries from damage, extend their lifespan, and ensure safe, reliable operation in e-bikes, solar setups, and DIY battery packs.. Maximum Power & Efficiency – Supports 18A continuous charging and discharging, ideal for high-demand applications like e-bikes, solar energy storage, and portable power tools.. Precision Charging & Balancing – Optimizes each of the 4 series cells with 14.6V CC/CV charging and 50mA active balancing per cell (3.6V target) for long-lasting battery health.. Fast Protection System – Reacts in milliseconds (9ms overcurrent, 320μs short circuit) to prevent damage, ensuring your battery pack remains safe even under extreme conditions.. Automatic Recovery – Once the fault condition is cleared, the BMS resets automatically, giving you worry-free, “set & forget” reliability.. Universal 4S LiFePO4 Compatibility – Specifically designed for 12.8V (4-cell) LiFePO4 battery packs, guaranteeing accurate voltage matching and protection.. Thermal Safety – Monitors temperature to prevent overheating, cutting power at 65°C and resuming operation at 45°C for additional safety.. 12V 4S BMS, LiFePO4 battery protection, 4S LiFePO4 BMS board, 12.8V battery management system, overcharge discharge protection, LiFePO4 battery balancer, e-bike BMS 12V, solar battery protection board, 4-cell lithium battery BMS, DIY LiFePO4 pack protection