portable solar panel

Features:

1. USB Smart Charging Technolog:The build-in smart IC chip intelligently identifies your device, and maximizes its charging speed while protects your devices from over charging and overloading. The charging current of USB ports (5v/2.1A Max) is monitored and automatically adjusted according to the sunlight level. Good for charging smartphones and tablets, GPS, digital cameras and other 5v usb devices.
2. High Conversion Efficiency:Constructed of high-efficiency solar arrays, convert up to 21.5-23.5% of solar power into free energy.