Topsolar 10 Watt 12 Volt Solar Panel Car Battery Charger 10W 12V Portable Solar Trickle Battery Maintainer with Cigarette Lighter Plug & Alligator Clip for Car Boat Motorcycle Tractor

12 volt DC solar power charger, it is perfect for maintaining batteries of car RV motorcycle boat marine trailer tractor ATVs truck, etc. Designed to maintain the 12V battery at a proper storage voltage with sunlight.

Lightweight and easy to carry, it weighs only 8.8oz, size 14.5*7.8 inch, and made of waterproof and long lasting material, designed for long term use.

Plug and play: Heavy duty 2.1mm x 5.5mm DC plug with extension cord. Male to Female, included cigarette lighter plug in the socket, easy to install even for those have no professional knowledge. No additional much maintenance to the kit, no electricity cost, place the panel facing the direction with the most sunlight possible.

Built-in safety protection: Built-in circuit board to prevent your batteries from discharging backwards through your solar panels at night when charger’s voltage is lower.

It is designed with a indicate light in the junction box, when the solar panel is facing the sunlight, it will light up and shows that the solar panel is charging the battery. Please note the kit is not for charging your dead battery. It is a solar battery maintainer that keeps your battery charged to lengthen its life expectancy.