*Compact design for added portability??featuring of input:DC12-24V; Output: DC5V 5.2A or 25W (Shared by three ports)</br>*Charging for Three:Three USB ports offer simultaneous high-speed charging for driver and passenger.</br>*Smart Charging Technology: Intelligent circuit design protects your devices against short circuiting?? over-heating?? over-currents?? and over-charging. Charging stops when battery is full.</br>*Compatible with all USB powered devices including iPad (max speed)?? iPhone (max speed)?? iPod?? HTC?? Galaxy?? Blackberry?? MP3 Players??