Home Depot sells the Milwaukee USB Rechargeable Portable Power Source & Charger (product code 48-59-2012) for $30. In addition to tools, Milwaukee makes heated gear that will keep you warm while ...

It is the unspoken law of cordless tools – eventually you will have ... from a broken angle grinder and decided to make a USB charger out of it. [Eggmont] took the simplistic approach, using ...