Higher Solar Conversion EfficiencySZRSTH Solar Panel is more durable panels at present, whose conversion efficiency can reach 23%. If clouds blocking the sun, this portable solar charger can detect intelligently the sunlight and restart to charge your electronic in 30s when there are enough sunlight. Foldable design and 4 carabiners is easy to carry for any outdoor activities such as camping trip, climbing, fishing etc..

Two USB Charging PortsOne USB-A Port & One USB-C Port: Each maximum output is 5V/3A and total maximum current of 2 USB is at 5V/3A. SZRSTH 28w solar charger allows you to charge multiple devices at once. It comes with smart charge technology which can recognize your device smartly then providing optimal charging speed vary with different devices. SZRSTH ensure 100% safe charging with overcurrent, overheating and short-circuit protection.

Portable Camping Solar PanelSZRSTH solar charger is a great option if you are taking an extended camping trip or if you are traveling somewhere with an unreliable power grid. With compact size (12.3 *6.85*1.4in folded) and lightweight (31oz) design, it is portable and light enough to fit into any camping backpack or hiking daypack. It is also a must have for stashing in an emergency kit.

=Wide CompatibilitySZRSTH USB solar charger offers a tiny power plant that can generate power for your phone (Android and Apple) and small electronics to keep them charged when the sun is out (Included a 2in1 cable for your devices, you also can use your original cable). Our solar phone charger can't store the electricity and can't charge the laptops and iPad Pro.

Package & SupportYou will get SZRSTH 28W Solar Charger, 100cm USB-A to USB-C & IOS Cable, User Manual and friendly Customer Service. Note: Any cloud or cover may influence the charging speed. Although our solar charger with automatic restart function, we still suggest you to reopen the solar panels and replug your device if the charging is too slow.