External dimensions: W8.3 x H3.1 x D7.3 inches (W210 x H80 x D185 mm); Weight: 4.4 lbs (2.02 kg); Input voltage: AC100 V; Output voltage: DC3 - 15 V (13.8 V); Rated output current: Approx. 20 A; Rated voltage: Approx. 16.5 V.