SANCC 18V Lithium-Ion 4.0Ah Battery for Bosch BAT618 BAT618G BAT609 BAT609G BAT619 BAT619G Battery Type: Lithium Ion, Voltage: 18V, Capacity: 4000mAh High quality replacement battery for Bosch BAT609 BAT609G BAT618 BAT618G BAT619 BAT619G 100% Compatible with original manufacturer equipments and chargers Quality is tested to be equal to the OEM products 30 Days Money Back and 1 Year Warranty