100W power bank,power supply,backup power,power source
Portable power supply is wild use in different emergency situation.
If you are out for camping, it can as a torch to light in the dark, charge your MP3, MP4, Kindle, Camera and so on.
If natural disaster is unexpected to happen in some place, such as flood, earthquake, seaquake, ect, then local electrical system will be broken, portable backup battery is the best choice at this moment.
if you are enthusiastic in outdoor tour or wild adventure, emergency power battery station will be useful in every day.
If you are on the road, but your car can't start, it will help you to jumpstart car without car tow assistance.
In a word, if you have one in hand, you will never worry without electricity.