My 2nd (and last) Mophie. The first (for iPhone 3S) worked 2 months then started draining the iPhone battery, actually shortening battery life. Heard it had improved, so bought the red one for my new iPhone 4S. I found:
--Nice-looking, liked the way I could switch on Mophie power or battery-only.
--It's so big it barely fit the purse pocket, and too big for my hands. It’s also slippery, which makes it more likely to be dropped.
--The hardshell case rises above the side buttons, making them harder to reach. Even w/small fingers, I have trouble accessing the shutter button or volume controls.
--It needs a microUSB connector, which means carrying TWO chargers instead of one.
--Accessing the iPhone connector requires that you remove the bottom of the case. I use the connector 3-4 times/day and noticed that the friction clamps got looser and looser. I worried that eventually they’d get so loose the bottom of the case would come off on its own.
--It slipped out of my hands and dropped about 2 ft to a wooden desk surface two weeks after purchase. The short drop caused an amazing amount of damage: The case bottom’s plastic completely cracked off one side, leaving only the electronics and a metallic strip hanging loose. Unless I’m holding the case bottom on (or tape it to the top of the case), it’s too loose to make the connection. Of course, if I tape it or glue it on, I can’t easily access the iPhone connector.
--The warranty, according to the website, doesn’t cover breakage, so I’m pretty much out of luck. This case is far too fragile to justify $80 and I’m not buying it (ever) again.
I bought it for my trip to Italy and it was a waste of money, after fully charging it and plugged it in to my ipad, it over heated right away and only charged from 17% to 33% and it was completely drained.