Features 1High Conversion Rate: 30W solar battery charger is made of more effective monocrystalline silicon material, can collect sunlight from different angles, which absorbs solar radiation heat to a greater extent, greatly improves the charging efficiency and speed. 2Strong and Durable: The solar car charger is high strength, impact resistant. And the sturdy frame makes the solar panel more durable. This solar battery charger needs no additional maintenance, extra long service life and durable. 3Waterproof Solar Charger: Solar panel trickle charger has strong heat resistance and waterproof ability. Ideal for various outdoor harsh environments. Designed for outdoor emergency situations, providing reliable charging for devices during outdoor activities. 4Easy to Install and Use: The outdoor solar battery maintainer is easy to install, and convenient to use, just connect the solar panel to the battery with the clips directly. The perfect charger maintainer for any car, motorcycle, boat, tractor, and more. 5Multiple Compatibility: Perfect solar power kit for various low power appliances, emergency lights, solar pumps, solar street lights, and small solar systems. Suitable for Rv, boat, marine, trailer, camper, pump etc. Specification Item Type: Solar Panel KitMaterial: Monocrystalline SiliconWeight: Approx. 598g / 21.1ozPower: 30W Package List 1 x Solar Panel1 x Controller1 x Connecting Cable1 x Output Clamp4 x Suction Cup2 x User Manual1 x Car Charger Cable