1. It can automatically adjust the current and voltage to achieve maximum power 2. Compact size design for portability, with the free hook, you may just hang it on your bagpack when outdoors, great for any outdoor trips/activities 3. Solar panel peak power: 40W 4. Output: DC:18V 1.6A, USB: 5V 2.5A 5. Compact Size: 306 x182 x 10mm 6. Opened Size: 895 x 460 x 1mm
