If you are like most people then you live with your phone as a primary link to outside world. The problem comes when you start getting low on battery. You can buy a case with a battery and double the size of your phone [in addition to reducing reception in some cases] or you can get a plug-in external battery that you can keep safely put away until needed. We have looked over a few of them and found one that works well for our iPhone 3G S. This is the Richard|Solo 1800.  So let’s take a look at how it worked out for us over about two weeks-worth of use.