UNU AX Tri-USB Port Car Charger -[White/Silver] 5.1 A/25.5W Portable External Battery Pack Car Charger compatible to iPhone 6, iPhone 6 Plus, iPhone 5S / 5 / 4S /4, Samsung Galaxy Note 4 / 3 / 2, Samsung Galaxy S6 / S5 / S4 / S3 / Tab 4 3 2 7.0 8.0 10.1 / uNu Tri-Port 25.5W / 5.1A USB Car Charger charges your favorite mobile devices including the iPad, iPhone, iPod, HTC, Galaxy, Blackberry, MP3 Players, Digital Cameras, PDAs, Mobile Phones. Internal LED confirms whether USB charger is properly connected. Compact design with heavy-duty aluminum framing with steel-contacts ensures long-lasting product life Tri-Port Design allows for 3 products to charge simultaneously. Input:12-24V; Output: DC 5V 5.1A or 25.5W (Shared by three ports: 2.1A, 2.0A, 1.0A). Please note that ports are specially designed for the recommended device but it can also charge many other devices at the full speed). Intelligent circuit design protects against over-heating, over-currents, over charging and short circuit. Charging stops when battery is full.