Power your 20V MAX* tools with the 20V MAX* 5Ah Battery and 20V MAX* XR® POWERPACK Ah Battery that features the runtime and performance needed for tough jobs. These batteries are compatible with 20V MAX* tools and chargers. The 20V MAX* XR® POWERPACK 4Ah Battery delivers 50% more power and a longer lifespan. Engineered with tables cell technology, our best performing 20V MAX* 4Ah Battery powers through tough jobs, day in and day out. XR® POWERPACK batteries are a part of our best performing line of 20V MAX* batteries. Charge your DEWALT® 12V MAX*, DEWALT® 20V MAX*, and Flexvolt™ batteries with the DCB1104 charger. This charger has a two-stage LED state of charge indicator to display when it is fully charged. The DCB1104 4Ah charger is 15% smaller than DCB115 4Ah charger making it portable. It also includes a mounting capability for a two-screw wall mount (screws sold separately.)