The charger Efest iMate R4 is an intelligent high-end charger for your batteries. It analyzes the status and the required charge and adapts it to your battery. Up to 2 times 2.0A and 3A Charges four batteries independently and charges via USB C Intelligent battery charger for all cylindrical batteries Li-ion / IMR / LiFePO4 / Ni-MH / NiCd