Foldable solar panel, 15W 5V USB solar panel mini portable monocrystalline solar charger for outdoor sports equipment and other hiking and camping gear. Durable and weather-resistant, military-grade. The panel is wrapped in oxford fabric, which is durable and colorfast, and can withstand extreme weather conditions such as rain and high temperatures (the junction box should be kept dry). IPX4 waterproof fabric can withstand sudden outdoor climates, does not age after long-term use, and is reliable and durable in high-intensity scenarios such as camping and mountaineering. High-efficiency monocrystalline charging technology. Equipped with monocrystalline silicon cells, the conversion rate is up to 22%, the intelligent circuit provides stable 5V voltage / 1.4A current, anti-overcharge and overvoltage, compatible with mobile phones, tablets, cameras and other devices, fully charged in 3 hours in the sun, and can effectively supplement power on cloudy days. Ultralight, foldable and portable design. When folded, it measures only 185×145 mm, weighs 350 g (about 7 eggs), and can be attached to the outside of a backpack with a carabiner. The unfolded area is 0.12 square meters, and the storage volume is less than an A4 paper, so it is not a burden for walking and cycling, and it does not take up space when you carry it. All devices are intelligently compatible. Built-in intelligent identification chip, automatically matches the charging needs of mobile phones, digital cameras, sports watches and other devices, no need for extra adapters, one USB cable to get all outdoor electrical equipment, say goodbye to the anxiety of charging multiple devices. Parameter Weight/Size: 350g, folded 185×145mm, unfolded 600×300mm Power: 15W peak power, 5V USB stable output Temperature range: -20 °C ~ 60 °C, suitable for the entire climate zone outside the North and South Poles Open circuit voltage (voc): 6V Maximum power voltage (VMPP): 5V Short circuit current (isc): 1.7A Maximum power current (impp): 1.4A Output: USB Usage tips (1) The junction box should be kept away from water sources, and it is recommended to store it inside the backpack on rainy days; (2) Best charging angle: Perpendicular to the sun, the hanging angle can be adjusted with a carabiner; (3) Wipe the panel before storing it for a long time, and prevent sharp objects from scratching the surface when folding. Package includes: 1* Solar panel 2* Carabiner 1* User manual Whether it's a long hike or a short camping trip, let the sun become your mobile power bank and keep your equipment charged at all times!