FeaturesSide brackets to mount onto the ToughSystem railsSpecificationsVolts: 20 voltBattery Type: Lithium-IonCompatibility: 12V/20V MAX BatteriesCharging Indicator Light: Yes 8 amp output per port (simultaneously)Weight: 9.Dewalt 2824092 20 V Lithium-Ion 4-Port Fast Charger With the continued vision to be the best, most helpful hardware stores on the planet, Ace Hardware and its retail associates remain dedicated to the core value of quality for its customers.