[Eggmont] was facing this dilemma with a Makita battery from a broken angle grinder and decided to make a USB charger out of it. [Eggmont] took the simplistic approach, using an old cigarette ...

I have an old, reliable car battery charger and, until today, owned an oldish car. I have noticed on modern chargers that some (more expensive ones) say suitable for start/stop cars. Are other ...

$49). Instead of hunting for an outlet or carrying a bulky charging cable, this keychain-sized charger lets you power up your Apple Watch anywhere. It has a built-in 950mAh battery that provides ...