DEWALT FLEXVOLT 20V/60V MAX* Battery, 9.0-Ah (DCB609) The dual-voltage 20V/60V MAX* FLEXVOLT 9.0 Ah battery automatically changes voltage when you change tools, providing up to 6X runtime** in 20V MAX* tools and the power of corded in 60V MAX* and 120V MAX* tools. Take on tough jobs with this DEWALT 20V MAX* battery because patented technology and large format cells mean it runs cooler*** than the leading competitor 9.0 Ah battery pack under a constant discharge. This is the battery for FLEXVOLT power and long runtime. Features DEWALT 20V/60V Battery features dual-voltage for ultimate flexibility DEWALT battery has 180 watt hours of energy in each battery pack. Get 360 watt hours when using (2) FLEXVOLT 9.0 Ah batteries in 120V MAX* tools 6 times runtime** when used in a 20V MAX* tools Runs cooler than leading competitor 9.0 Ah battery for better efficiency*** Compatible with all 20V MAX* chargers Compatible with all 20V MAX*, 60V MAX*, and 120V MAX* tools and products Silicone encapsulated module helps keep dust and debris out Operates in outside temperatures down to 0 degreeF LED charge status display on battery USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.