inputs.text: imp 1000 - product great check devices would use charging count together much power u would need use 11 000 need go product smaller dont want carry weight size needed believe know 11000 need get one case use sometimes also imp880 9600mah almost needed get something energy imp 1000 use times travelling charging mifi normally energy 24 hours based signal device imp 1000 use whole day no need thinking anymore mifi last long enough energy works great iphone 3gs4 ipad 2 also important point one usb ok need charge usually one device case take charger 2 usbs cannot go wrong either new trent chargers great not met anybody far would not happy customer service contacted thehem positively surprised help good energy got customer service person phone ehemails clearly explained solutions workarounds