Makita XOC01MB 18V LXT Cut-Out Tool Kit "Discontinued by Manufacturer" (Discontinued by Manufacturer) 18V LXT Lithium-Ion 4.0 Ah battery reaches a full charge in 40 minutes or less Battery delivers consistent power and run time in extreme temperatures, even in winter (-4DegreeF/-20DegreeC) Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect the battery Sixteen contact terminals maintain a constant connection with the tool Battery resists self-discharge and remains ready for use even after long periods of storage