ECO-WORTHY 12 Volt 10 Watt Solar Car Battery Charger & Maintainer Solar Panel Trickle Charger Portable Power Backup Kit with Alligator Clip Adapter for Car Boat Automotive Motorcycle RV

Suitable for keeping vehicles/boat battery charged during the weeks unused. No need to disconnect the battery or have someone start the vehicle periodically. The indicator light on the back can observe the charging state. And it’s waterproof you can safely use it outdoors(After experimental test).