Renogy 10W 12V Portable Solar Panel Battery Maintainer Trickle Charger with Lighter Plug, Alligator Clips, and Battery Cables

Easy to use DC adaptors for direct battery connection (cig lighter, alligator clips, ring terminal, SAE connection)
High-efficiency Solar panel to charge in all daylight conditions. Charges 12 volt batteries with the power of the sun
Works with boats, SUVs, RVs, electric fences, accessory batteries, and more
Maintenance free and easy to install
Built-in safety protection, plug-in 24/7 to battery