The 20V MAX* Starter Kit includes our 3.0 Ah Compact Battery and Charger. Using the latest in lithium ion technology, this battery provides 3.0 Ah capacity in a compact form, offering ergonomic benefits for extended power tool use. The 3-LED Fuel Gauge system on the battery allows you to instantly check battery state of charge. The included charger features quick charging with a multi-function LED indicator to display charging status, when to replace battery pack, and battery temperature. The included battery is compatible with all DEWALT 20V MAX* power tools and includes 3-Year Limited Warranty.