High conversion rate, high efficiency output.
OUTAD solar battery charger Connects directly to your devices via a USB port,suitable for most digital products,phone MP3 MP4.
Portable:Our USB solar panel is small when folding,convenient to carry around.Perfect for trip and outdoor activity.
Waterproof:This USB solar charger is made from waterproof material,you can use it when it rains.
Contant current and stable voltage design,reliable and security.