The circuit without temperature increasing; Short circuit protection and the over-flow protection let you use it sagely and easily.
Mini Dual USB car Charger. High efficiency. Safe and reliable. With corresponding USB connection cables, charging for IPHONE, IPAD, IPOD, GPS smart phones and Tablets charge, etc.
Type: Double Port USB Car Charger;
Input: DC 12-24V;
Output: 5V=2.1A(max);
USB Port: Double Port;
Working temperature: -10~50'C.