The highest-rated Harbor Freight battery chargers come from Cen-Tech and Viking, with a 4-amp Viking charger topping the list ...

Bluetti's new Charger 2 can juice up power stations at up to 1200W while you drive – that's 13 times faster than a 12V adapter .

Craftsman tools that use V20 batteries are among the brand's most popular offerings, but will those batteries work with your ...

The Over-the-Top type of operational amplifier is ideal for use as a current sense for battery charger applications. The design described here can be used with chargers for rechargeable batteries ...

F mornings can drain your car battery fast. A smart battery maintainer keeps it topped up, prevents no-starts, and dodges the ...

EVs don't create much heat when they operate, which is usually a good thing — but it's a challenge when the temperature drops ...