1、Polysilicon: Solar powered charger is made of high efficiency polysilicon battery, with high conversion rate and high output efficiency. 2、Small Attenuation: Portable solar panel has small attenuation, good reliability, long life, and can adapt to various complex and harsh weather conditions. 3、Efficient Charging: 2W solar panels are suitable for any place where sunlight can be obtained, realizing efficient charging, convenient and safe to use, environmental protection and energy saving. 4、Small and Portable: The solar panel charger is small and portable, elegant in appearance, easy to carry and install, easy to operate, and won't take you much time. 5、Scope of Application: Suitable for car batteries, cars, RVs, ships, airplanes, satellites, space stations, outdoor farming, planting, tourism, solar street lights. 1 x Solar Panels Item Type: Solar PanelsMaterial: PolysiliconPower: 2WWorking Current: 0 to 166MAShort Circuit Current: 220MAWorking Voltage: 12VOpen Circuit Voltage: 13.5VDC Interface: 5521