Makers and hobbyists looking for a more substantial portable battery pack that they can make themselves, should check out this excellent DIY power bank created by Instructables user “tobychui”. Using ...

USB power banks give your phone some extra juice on the go. You can find them in all shapes and sizes from various retailers, but why not build your own? [Kim] has a walkthrough on how to do just that ...

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 ...