does anyone here have any experience with Mophie?
there battery cases look preety solid, heard good things about the Mophie Juice Pack Plus for iPhone 4/4S
http://www.mophie.com/mophie-juice-p...pp-ip4-blk.htm
anyone tried this case before? for ipod touch
mophie pulse™ - iPod touch 4th Gen Haptic Vibrating App Enhancer Case
but for 100$
this is also preety cool
http://www.mophie.com/product-p/2025_jpu-reserve-2.htm
found a chinese knockoff on ebay for 20$
http://www.ebay.ca/itm/MOPHIE-1500mA...ht_2706wt_1464
^ does anyone know of something similar for around the same price?