I am delighted, since I now uses four months and this is an essential accessory to my Samsung Galaxy S4. I always have in my bag, I recharges less than once a week, it allows me to charge my phone at work or in public transport every day (I put up at least 40% battery )
I recommend, it does not discharge in my bag activates when shaken.
Flat as I had read, the usb cable supplied with the son who has become bare at the ends. But always work for me (although I'm not careful!)
Also included with the pouch perfect.