20W High Efficient Dual-Port Foldable Solar Panel Portable Solar Charger for 5V USB-Powered Devices

• Ultrahigh efficiency: Constructed of SUNPOWER® solar arrays, up to 22% efficiency provides total 4A output (MAX), easier and faster to replenish juice for your hungry gadgets.
• Lightest weight and super compact: 0.4 pound lighter than normal 14W solar panel - 1.5 pounds. Folding size only 10.4" * 6.1" * 0.2", easy to carry or fits into a backpack perfectly.
• Uniqued voltage regulater design to ensure stable voltage and current, keeps your gadgets getting stable and streaming juice.
• Dual output ports charge your any gadgets at lightning speed - 4A in total(MAX). Easily to power a smartphone + a tablet in full sun.

Why Poweradd Solar Panel? 
Unlike most other solar panels on the market, Poweradd foldable solar panel have two major breakthroughs. 
1. Ultrahigh efficiency 
The transformation efficiency of Poweradd solar panel is up to 22%, while most of the similar products on the market is 15% or even lower. 
2. Unique design - Equipped with Voltage Regulator to ensure stability 
The only minus of free sunlight is not stable, solar panel powered by unstable sunlight leads to unstable current and voltage, which will shorten your device's life or even damage it. Poweradd solar panel's voltage regulator keeps your device getting stable current and prolong the battery life. 

Where there is light, there is endless power 
22% high solar efficiency provides upto 5V/4000mA output (Max) in total, once connected, limitless and free power keep powering up your gadgets. With dual port design, easily to power your two devices simultaneously. 

Superior Portability 
With folding size 10.43" x 6.10" x 0.19" and unfolding size 31.1" x 10.43" x 0.08", ultra-compact and super portability. Eyeholes design makes it convenient to attach on backpack or tent. 

Wide Compatibility 
Since the output port is USB, it can be used to charge smartphones, tablets, and even accessories, or any other 5V USB-charged devices. 

Easy to use 
Unfold the Poweradd solar panel under direct sunshine, connect your device to the USB output port, then endless and free juice keep coming.