High Quality DC-DC 7-26V to 5V USB Car Charger Step-Down Power Supply Module.

Application: the device with 5V Power supply, electrical appliances whose power less than 25W ,such as mobile phones, tablet pc, navigation systems, driving recorder,also can be used on the LED power supply.

With 4 USB port, you can also connect four USB standard device simultaneously.

Connect positive and negative terminals of the battery to the input positive and negative,then the input is completed.

Output: 4 standard USB 

Input: 7-26V DC

Output voltage: 5V

Output current: 5A (total USB's current)

Size: 4.8 x 4 x 2.2mm

Weight: about 40g
Package include:
1 x DC-DC 12V to 5V USB Car Charger Step-Down Power Supply Module