This Topsolar 20W 12V solar panel kit provides a complete, portable solution for maintaining and charging 12V batteries off-grid. It includes a 20W monocrystalline solar panel, a 10A PWM solar charge controller, and connection cables with alligator clips and O-ring terminals. Ideal for use with car, RV, caravan, boat, and marine batteries, as well as for camping, greenhouse watering, and other outdoor DC applications. The panel features a waterproof junction box for durability and pre-drilled holes for easy mounting. Compact and lightweight, it's simple to install and transport for reliable solar power wherever you need it.
eBay