The Volt XL™ is a 2.1 amp USB car charger that conveniently charges USB electronics through your car’s 12V outlet. Dual USB charging ports: 1.0A and 2.1A Red LED charge indicator on top 4.0V output Turn your car’s cigarette lighter or 12 volt port into a dual USB port to charge your phone, camera, MP3 player or other small electronics Lifetime Limited Warranty Specifications Input 12-24 VDC USB Outlet 1 5VDC, 2.1A USB Outlet 2 5 VDC, 1A Dimensions 2.2” x 1” Diameter (55.5 x 24.2 mm) Weight .6 oz. (17g)