For Griffin Portable USB Charger for USB Devices BLACK
I got this and another portable battery backup because I got a solar powered usb charger.  This item not only doesn't charge with the solar power because it wouldn't provide enough amperage, but I charged it to full capacity and didn't use it for 3 days and it only has 2 of the 4 power indicator lights on.  The other battery backup I got for about the same price does charge with the solar usb charger, still had full power indicated after a week of non use, and fits in my pocket better.      If there were a 