Highlights20% HIGH PHOTOELECTRIC CONVERSION RATE & SUFFICIENT ENERGYDetailsFeature*20% HIGH PHOTOELECTRIC CONVERSION RATE & SUFFICIENT ENERGY - Adopt premium Polycrystalline and high light transmission layer of PET, offering 20% photoelectric conversion rate, which 3% higher than normal Solar panel. Powerful enough to generate powerful currents and charge your device in several hours. No worry about your phone running out of power.*5V/3A DUAL USB PORTS - Adopt advanced charging algorithm, dual U