Practical Solar Panel Charge Controller Auto Battery Charge Regulators Used For Car Battery Chargings Camping Solar Controller

Features:
The two-way voltage output of solar energy is divided into 18V or 9V or 12V or 6V by shifting gears.
Under the same area of power, the output current of the solar panel doubles, making it possible to charge cars, mobile phones, computers, and battery in the same environment. Increased efficiency and doubled the chargings speed.
The product is flexible and foldable can be attached to a smooth surface with a certain amplitude (such as the car roof)
Highly efficient solar cells convert up to 23-24%.
Easy to install.
You can place the panel in the sun and use it to directly charge your device.