Charging USB Devices With AA Batteries

Charging USB Devices With AA Batteries

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.

The Best Rechargeable D Size Batteries & Chargers


The best rechargeable D size batteries are the new LSD Ni-MH (low self-discharge Nickel-Metal Hybride) cells. These new Ni-MH rechargeable batteries are able to retain a charge for a year, making them suitable for using in flashlights and other low-term applications. See also our full review of the Best AA Rechargeable Batteries and Chargers. 

The Best Battery Chargers (For D and C Size Batteries)


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.

“EcoPower” Faucet Recharges Itself

This EcoPower faucet by Toto is the type of faucet that uses a infrared sensor to turn on automatically. What makes this faucet unique is that it harnesses the electrical power generated by its own water flow. It has a miniature turbine generator to maintain its rechargeable battery. It can keep itself charged on as little as 5 uses a …