An excellent external battery.

I have to go camping for 4 days in a few weeks. I was looking for an external battery have sufficient autonomy to recharge my iphone. It's done with this article. I was able to test it upon receipt because it came already loaded. She was able to charge my phone for 5 days. It takes several hours to recharge then (about 6 hours). Its other advantage is its small footprint that allows to take it everywhere. It is very easy to use. The only small bémole is the absence of adapter socket. I use one of the cable of the Iphone when I recharge