JP30 is proof that significant advances can still come in smaller sizes. Chinese company achieves impressive feat with tiny ...

[Make It Extreme] is working on a battery pack for an e-bike that has some interesting design features. The guts of the pack are pretty much what you’d expect – recovered 18650 lithium-ion cells.

Some of the nuances of battery pack design can be found in this guide to building packs from the standard 18650 cells.

according to a news release published by PR Newswire that detailed the power pack's unveiling. "We are excited to introduce the world's first 18650 potassium-ion battery," Alexander Girau ...