As if we weren't excited enough about MiLi's HDMI iPhone dock, the battery powerhouse has announced yet another multifunctional device for re-juicing your smartphone. The MiFlip foldable smartphone charger -- compatible with iPhone, iPod Touch, and BlackBerry -- functions as a charger, battery backup, and viewing stand, and it's small enough to keep your mobile phone, well, mobile. This skinny battery booster provides eight hours of talk, 15 hours of video, or 80 hours of music, and uses a mini-USB connector to sync with iTunes. MiFlip will be available for $49.99 on MiLi's website, and we'll look for it at CES this week.