A couple of decades ago, having a dead battery usually meant pulling out jumper cables and hoping your friendly neighbor (if you didn't own a secondary car) would be kind enough to give you a jolt to ...

Build-your-own battery pack for your iPod and other devices Does someone on your holiday gift list just hate it when their iPod or cell phone dies? Why Build-your-own battery pack for your iPod and ...

What if you wanted to build your own USB-C PSU? Good news – it’s easy enough! If you ever wanted to retrofit a decent DC PSU of yours to the USB-C standard, say, you got a Lenovo/HP/Dell 19V-20V ...