Sure, iPhone battery extenders such as the Power Duo Reserve from Griffin are quite common, and now the PhoneSuit Primo. This 800 mAh power extender will add 45 hours worth of music playback to your iPod, and 3 hours worth of talk time to an iPhone 3GS. You can purchase one for about $35, …

This Mili Phonesuit Power Pack for your iPhone is another charger made for one of the most famous handsets available so far. There’s no point in hiding it, Apple’s iPhone gets lots of cases, chargers and power packs just because everyone out there is trying to make a buck or two off of all that [...]