The Bosch BAT610G is an 18V HC Li-Ion Slim Pack Battery. Compatible with all Bosch 18V Power Tools. Features: * 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 * Battery fuel gauge * Use only with Lithium-Ion 18V Lithium-Ion Charger -- BC630 What"s In the Box: * Bosch BAT610G 18V HC Li-Ion Slim Pack Battery