OptiMate Lithium 4s 0.8A 12V LiFePO4 Motorcycle Automatic Battery Charger Optimiser Maintainer

Longer battery life and more battery power guaranteed. Ultimate protection for your high-performance Lithium (LiFePO4 / LiFe / LFP) battery. Saves dead batteries other chargers can't! BMS (Battery Management System) wake up mode safely wakes battery with integrated BMS protection out of sleep mode.