Car Charger Output: USB-A: 12W (5V/2.4A); USB-A: 12W (5V/2.4A) Input: 12-24VDC Durably designed for the long haul, wherever the road leads Smart, compact design to make space for all the other things that pile up in your car Drop and vibration tested, wrapped in tough exterior Charges multiple devices at once with two USB-A ports Rigorous testing to ensure devices charge safely and efficient Designed to work flawlessly with your favorite OtterBox cables