Usage Tips:Efficient Charging: The 60W Solar Panel 12 Volt Trickle Battery Charger is designed to efficiently charge car, caravan, van, boat, and other batteries using solar energy. It helps to maintain battery effectiveness and extends the service life. Construction: Made of plastic and high-quality solar cells, this charger is built to last. It can charge the device in all daylight conditions, providing reliable performance. Reverse Discharge Prevention: Equipped with built-in blocking diodes, this solar panel prevents reverse discharge, ensuring safe and efficient charging. It is easy to install and requires no maintenance. Versatile Charging Options: just plug the charger into your vehicle's 12-volt light socket and position the panel in a location with ample sunlight. Alternatively, you can use the included alligator clips to connect the charger directly to the battery. The solar panel can be mounted on the windshield using the provided suction cups or secured to the visor with straps. Convenient: This solar panel charger offers a convenient way to charge your batteries. By harnessing solar energy, it reduces on traditional power sources and minimizes the carbon footprint. Product Name:Monocrystalline solar cells Solar efficiency:15% - 18% Idle voltage:18-23vdc Load voltage:12V Output current:270-410mAh Waterproof rating:IP65 Colour:Black Material:PET Size:335x125x3mm Package Contents: 1 x solar panel 1 x USB USB cable 1 x plug 1 x battery charging clip cord 4 x suction cups Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.