... 1A&2.1a net weight:178g factory pric backup battery for smartphone Technical Specifications Battery typebrand new rechargeable li-polymer ... and discharge cycles over 600 timesa multi-function machine: for ipad/iphone,ipod,MP3,MP4,GPS,PSP and other digital ... devices of T-Mobile / Sprint / Verizon / AT&TMobile GPS Systems (Garmin, Navigon)Sony PSP GO / PSP E1000 / PSP Slim & LiteDevices with ...