• Amazing Efficiency: Constructed of SUNPOWER® solar arrays, up to 22% efficiency, easier and faster to replenish juice for your hungry gadgets.
• USB port(5V/2A) for charging your 5V powered gadgets, and 18V DC output(18V/2.2A) for charging your laptop or other 18V powered devices.
• Uniqued voltage regulater design to ensure stable voltage and current, protects your device while charging.
• PET plastic faced solar panels sewn into high quality waterproof canvas for outdoor durability and long lifespan.

Why Poweradd Solar Panel? 
Unlike most other solar panels on the market, Poweradd foldable solar panel have two major breakthroughs. 
1. Highest 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 it's life. 

Wide Compatibility 
DC port: charging 18V laptops and other 18V DC-powered devices. 
USB port: smartphones, tablets, external battery packs, or any other 5V USB-charged gadgets. 

10 notebook connectors are included, please check the model, size, voltage and power of your original adapter to ensure compatibility before using. 
A - 6.00*4.25 - Sony VAIO 
B - 6.25*3.00 - Toshiba Satellite A105, M35 
C - 5.50*2.10 - Toshiba T1950, T4700 / Acer Aspire 1200 
D - 4.75*1.70 - ASUS Eee 900, 1000 
E - 5.50*1.70 - Acer Aspire One AO722 AO725 
H - 5.00*3.25 - Samsung N130, N310 
G - 4.0*1.70 - HP Mini 1000/ 1100 Series 
M - 5.50*2.10 - Lenovo Ultrabook 
J - 7.40*5.00 - Dell inspiron 1525, E1505 / HP Pavilion DV6, 550, G60, Compaq CQ 60 and more other Dell or HP models 
K - 7.90*5.40 - ThinkPad T60, X60, R60