I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight and size. So instead of flying for 15 min, now you can fly for 45 min.

Just a few years back, the common thinking in the auto industry was that if you were going to make and sell EVs, you should control your own battery production. Partnerships were OK — Tesla with ...

Porsche AG said it was ditching plans to make its own battery cells as the German premium-car maker contends with a slow electric-vehicle market, particularly in the U.S. and China. The group had ...

Some kinds of batteries produce electricity by a chemical reaction between two different metals (electrodes) immersed in acid (electrolyte). Figure out how to make your own batteries in case the ...

Follow ZDNET: Add us as a preferred source on Google. Pixel phones have an excellent reputation for smart software, but battery life has been a common complaint with Google's smartphones. Thankfully, ...