Stay productive and power your 20V MAX tools with the 20V MAX 5Ah Battery. Featuring immediate feedback on its state of charge with a 3-LED Fuel Gauge System, this battery delivers long runtime for tough jobs. Charge your DEWALT 12V MAX, DEWALT 20V MAX, and FLEXVOLT batteries with this 4 Amp charger. This charger has a two-stage LED state of charge indicator to display when it is fully charged to keep you productive on the job and as well as mounting capability for a two screw wall mount (screws sold separately).