There are a lot of batteries out there that can be deceiving, with really low prices that don’t necessarily buy you much quality. These cheap batteries don’t always hold a charge for very long ...

Nerd Ralph loves cheap and dirty hacks, and for that we applaud him. His latest endeavor is a LiFePO4 battery charger that he made out of parts he had on hand for under $0.50 US. (Although we ...

Rechargeable batteries are a technology that has been with us for well over a century, and which is undergoing a huge quantity of research into improved energy density for both mobile and ...

And after uplifting food worldwide, the humble mineral is ready to spice up something completely unexpected: batteries! Researchers from the Worcester Polytechnic Institute have developed a new ...

Note that none of these options are rechargeable batteries, which might the better option for those looking to reduce e-waste over time -- but with alkaline battery sales having reached $8.84 ...