The DCB240 20-Volt MAX 4 Ah compact lithium-ion battery provides the highest capacity within the DEWALT 20V MAX compact battery lineup. Using state-of-the-art lithium-ion technology, the DCB240 delivers up to 1/3rd more run time while maintaining the same size and weight as the DCB230 20-Volt 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 a fuel gauge LED charge indicator and 3-year limited warranty. 4 Amp hour (80-Watt hour) capacity provides extended runtime Compatible with 20-Volt MAX tools and chargers Includes fuel gauge 3 LED charge indicator Lighter weight with same capacity as DCB204 4 Ah battery Same size and weight as DCB230 20-Volt MAX compact 3 Ah battery