Bosch 18V Lithium Ion HC Slim Pack Battery

Unique Pack Design helps keep the battery cool even when it's working overtime Advanced Lithium-Ion technology delivers unmatched performance, and allows for a 50-Percent longer run time than competitive models Battery fuel gauge takes the guesswork out of when you need to charge Performs just as well in cold weather as in normal temperatures BAT610G Features: -Battery.-Rechargeable.-Unique pack design helps keep the battery cool.-Battery fuel gauge displays battery life.-Performs well in cold and normal temperatures.-8" H x 7.25" W x 3" D, 0.8 lbs. Specifications: -18 volts, 1.5 Ah.