The 20V MAX 4.0Ah Battery Pack with Charger combines performance, light weight and run time to support your DEWALT 20V MAX tools. This kit includes 1 DCB240 20V MAX 4 Ah compact battery and DCB113 Charger. The DCB240 20V MAX 4 Ah compact lithium-ion battery provides the highest capacity within the DEWALT 20V MAX compact lineup. Using state-of-the-art lithium ion technology, the DCB240 delivers up to 1-third more run time while maintaining the same size and weight as the DCB230 20V MAX 3 Ah compact battery. Its small size and light weight provide ergonomic benefits for increased tool maneuverability and control for overhead applications. The DCB240 includes fuel gauge LED charge indicator. Battery and charger include 3-year limited warranty.