Features 1、High Conversion Rate: 15W solar battery charger is made of high efficiency polycrystalline silicon, with high conversion rate and high output efficiency, greatly improves the charging efficiency and speed. 2、Strong and Long Lasting: The solar car charger is high strength, impact resistant. And the sturdy frame makes the solar panel more wearproof. This solar battery charger needs no additional maintenance, extra long service life. 3、Outdoor Use: Solar panel trickle charger has strong heat resistance. Ideal for various outdoor harsh environments. Designed for outdoor emergency situations, providing reliable charging for devices during outdoor activities. 4、Easy 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. 5、Portable and Compact: Lightweight and portable solar charger, easy to carry, with high stability and durability. Transfer sunshine into electricity, energy saving. No electricity cost, easy maintenance for outdoor usage. Item Type: Solar Panel Kit Material: Polycrystalline Solar Panel Power: 15W Controller Current: 10A Package List 1 x Solar Panel 1 x Controller 1 x Connecting Cable 4 x Suction Cup 1 x Car Charger Cable 1 x Output Clamp