Powertech BT Lead Acid & Lithium Battery ChargerThis feature rich battery charger suits 6V or 12V LiFePO4 and Lead Acid batteries. It has 8 step intelligent charging modes to ensure your battery is in top condition, and safety features include overload, short circuit, reverse polarity, safety timer and wrong battery protection. An LCD screen with pushbutton controls enable you to select the charging mode, and integrated Bluetooth technology enables you to check and control the charging status