I have reviewed a lot of mobile batteries in the past, the most recent one is from Thinium. This Kickstarter project known as AMPY is a mobile battery I think we all need. You know how every mobile battery that I reviewed involves hooking it up to a computer or AC outlet to charge? Well, if you didn't, now you do. The AMPY is different is that you don't have to hook it … [Read more...] about AMPY, a mobile battery powered by kinetic energy