Heavy iPhone users live or die by their choice of battery case and Aigo has a new offering that adds a twist to the standard cases now on the market. On top of its advertised 300 hours of standby time, the Aigo aiPower i616 also includes an integrated charging/sync cable that folds into the case when not in use. The Aigo i616 offers a respectable 1500mAh external battery that promises up to 7 hours of talk time, 10 hours of Internet usage, 10 hours of video playback, or 40 hours of audio playback.
Included with the battery is a microUSB port for charging, a switch to manage battery usage, and a battery check button to display the charge level. When you don't need that extra jui
