AGM batteries are expensive, and if you let one discharge too far, it can become a doorstop. Thankfully, there is a way to save your battery and bring it back to life.

The AGM type of battery is the most common in modern cars. Charging it is a little different to a standard lead acid battery, but it's still pretty easy.

You might have seen ads for AGM car batteries or a label with those letters on your battery. How are AGM batteries different from regular car batteries?

Get yourself the best of the best when it comes to AGM battery chargers with our excellent picks and never worry about a dead battery again.

AGM batteries can cost between $200 and $300, twice as much as traditional lead-acid batteries, so you want to make sure you’re buying one that will last.