The high-efficiency of its three solar Monocrystalline panels cell is based on SunPower Maxeon technology, that allows the usb solar charger to reach 21%-24% of conversion efficiency while providing enough power (up to 2.0A max per port or 3.0 A max overall).
Advanced Smart IC Chip Technology
The Microchip of Nekteck solar phone charger support to detects the electronic devices plugged into the USB ports for fast charging two phones simultaneously under safe conditions as well as the prevention of overheating.
Portable and Foldable
The 6.3x 11.1x 1.06 inch (when folded ) small size and 17.3-ounce design that can easily squeeze in your backpack offers portability and simplicity, and the attachment hook makes the portable solar charger ideal for connecting to a backpack while you’re on the hiking or walking around town.
The canvas surface and precision stitching withstand rugged for outdoor use and the PET polymer cover that guarantees IPX4 waterproof level protection will make the solar panel resistant to water and even dust.
Nekteck 21W Portable Solar Charger, 2.6ft(80cm)Micro USB Cable, User Manual.