But they’re also forgivable. With a smart 12V trickle charger and maintainer, you can revive your car battery in a relatively short amount of time. And this one from GPED is discounted to $20 on ...

A particularly common use is in laptop batteries, where they’re often built into a pack using the Smart Battery System. This creates a smart battery that can communicate and report on its own ...

Everyone knows the Smart car. The sort of roller-skate-shaped microcar was a godsend to city-dwellers all over the world, and in many ways still is. But these days, Smart is half- ...