Looking for a solar panel that can be used as an alternative charger for your car, truck, caravan, boat, motorcycle, or RV battery? Look no further than the 20W Solar Panel 12V Trickle Charge Battery Charger Maintainer Marine RV Car T-IT. This solar panel is waterproof and can be placed outdoors, making it ideal for those who want to keep their batteries charged while on the go. Additionally, the built-in diodes in the alligator clip help prevent reverse charging. The 20W Solar Panel 12V Trickle Charge Battery Charger Maintainer Marine RV Car T-IT comes with 2 alligator clips and charging cable for all kinds of 12V lead acid batteries.