Cooler Trend™ USB Solar Panel

  ️ "It's working great for me! I have these mini USB Solar Panels ,for my outdoor activities." Edmund R..- Verified Customer USB Solar Panel BLOCKING DIODE INSTALLED A blocking diode installed already in the backside to protect the solar panel from overcharging and current backflow.   SOLAR CHARGING Using the USB2.0 interface, it can charge power banks, MP3, MP4 and other digital products. In any sunny place, it will work for you.   PORTABLE & SUFFICIENT ENERGY Mini solar panel, compact & stylish size, easy to be held, can be easily taken to outdoor activity. High conversion rate, high efficiency output, excellent weak light effect.   HIGH QUALITY & EASY USE High quality epoxy resin, unique technology to make the components beautiful and strong, anti-wind and snow, increase the service life of solar panels.   EDUCATION Solar panels are devices that absorb sunlight and convert solar radiation directly or indirectly into electricity through photoelectric or phot