With the trend of computer peripherals and console controllers moving towards the wireless end of the spectrum and away from the wires, they still have to be powered by the means of a battery. While some manufacturers choose a custom battery pack/module like the Logitech G7, a vast majority of these wireless devices are powered by the common AA battery. For those devices that do not come with a way to recharge themselves, USBCells from Moixa Energy seeks to provide a rechargeable solution that doesn't require a separate battery charger but instead uses USB ports to recharge. Read on for the full review.