MDHAND 22W 12V Portable Solar Battery Charger & Maintainer - Solar Panel-Built - in Intelligent Charge Controller-Solar Powered Charger for Automobile Car RV, etc…

The front of the solar panel is waterproof, but it is best not to enter the aqua at the USB and DC interfaces.. Please do not put the charger outdoors on rainy days to avoid short circuit. 3. When charging the charger with solar energy, please place the solar panel upwards in direct sunlight to ensure the charging effect. 2. Please do not scratch the surface of the solar panel with a sharp object. Specification Color: Black Panel: Monocrystalline silicon Maximum Power (Pmax): 22W Maximum Power Voltage (Vmp): 18V Maximum Power Current (Imp): 4A Output: USB DC 5V & DC 18V(Control Unit adjust the voltage to 14.4V output) Waterproof: IP65 Size: 7.25 inch width and 8.5 inch length Package include: 1 X Solar Panel 1 X Crocodile Clip 1 X Car Plugs 2 X Carabiners   Tips: 1. Provides 2 alligator clips and charging cable for all kinds of equipment, emergency lights, advertising lights, traffic lights, electric fans, solar liquid pumps, motorcycles, boats, etc. You can install this item in your car and keep charging during the day. There are built-in diodes in the alligator clip to help prevent reverse charging. It is waterproof and can be placed outdoors. Feature It can be used as an alternative charger for cars, trucks, caravans, boats, motorcycles, RV batteries or any 12V lead acid battery