The USB power supply box mainly solves the car navigation USB port due to the output current being small and leads to the instantaneous power supply shortage problem.

Features：
1. Plug-and-play, easy to operate. 2. Solve the car navigation USB port instant power shortage problem.

Instruction For Use :
① Plug into the car’s USB port. ② Just plug in the product you want to use.

Product Specification:
Colour: Black Material: ABS Pressing Method: Buckle Input voltage：5.1V Maximum input current：1.4A Power consumption： 0.05W Maximum output voltage：4.8V Energy storage capacity: 0.1256Wh Maximum instantaneous output current：4A Port: LED light、USB female port、USB male port Product Size：176x32x13mm Compatible Car: Suitable for car USB output current of 1A or more (including 1A) car