Fortunately [Adam Bender] is on hand with an extremely comprehensive two-part guide to designing and building lithium-ion battery packs from cylindrical 18650 cells. In one sense we think the two ...

I build my battery pack using recycled (full tested) 18650 battery too. But I’m surprised he can run his ebike with only 26 cells. Initially I used 13×5 cells (48v too), but BMS halted bike ...

The Consumer Product Safety Commission is warning customers against purchasing loose lithium-ion battery cells that can be used for vapes, flashlights and other small devices. In particular, the ...