Here's a piece of nice in-house DIY engineering which can help a lot of guys out there looking for the best ergonomics for their electric motorcycle projects. This battery box design belongs to "mcf12 ...

With 18650 cells as cheap and plentiful as they are, you’d think building your own custom battery packs would be simple. Unfortunately, soldering the cells is tricky, and not everyone is willing to ...

Readers had a variety of suggestions for the best way to upgrade/replace/recycle the old NiCd battery pack from a still-usable Makita drill. I asked the folks at battery pack designer Nexergy to read ...