A China-based firm has launched a novel energy storage device that tackles the 18650-battery ... more powerful”, the new battery is the latest addition to the JP series. Despite having a compact ...

[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.

Portable battery packs have become popular ... For storage, the pack relies on 75 individual 18650 lithium cells, arranged with 3 cells in series, each with 25 in parallel (3s25p).