In this article, we will share with you some devices that use AA batteries to charge USB-powered small electronics. These devices provide a convenient way to stretch the time between wall outlet recharges.
We briefly reviewed battery chargers in a previous post “The Best Rechargeable AA Batteries“. But let’s take a look at the best “Universal Battery Chargers”. These are chargers that can handle AAA, AA, C, D sized cells, and well as 9V cells.