This 20V MAX* 3.0 Ah Battery 2-Pack gives you a pair of our highest-capacity batteries in the 20V MAX* compact series. They provide 3 Ah capacity with reduced weight, giving you ergonomic benefits for extended power tool use. It includes a 3-LED Fuel Gauge system to instantly check battery state of charge. This battery is compatible with all DEWALT 20V MAX* power tools and includes 3-Year Limited Warranty.