Shop for Electrical at The Home Depot. Macally Car24U, a 24-Watt 2 port USB car charger for iPad/tablet, iPhone/smartphone and iPod/MP3 player. Simple and convenient way to quickly charge your phone or tablet while you drive. Connects to cigarette lighter in your car and has the 2 USB ports to charge multiple devices simultaneously. Comes with 2, 2.4 Amp USB ports to charge quickly any two devices that need a charge. The Macally Car24U is specially designed to charge your iPad/tablet in your car. The Car24U also charges iPhone/smartphone, iPod/MP3 player and any other USB powered device.