An AGM battery, or absorbent glass mat battery, is essentially a more advanced version of a lead-acid battery. There are differences between AGM and standard lead-acid batteries, one of which being ...

View post: Buick Grand National GNX Revival: Could This Be the Camaro’s Replacement? Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to ...

First, let’s clear the air: Optimate is not Optima. The former is a European-engineered brand of battery chargers; the latter is a maker of those red-and-yellow AGM batteries you’ve probably seen in ...

Servicing absorbed glass mat (AGM) batteries isn't difficult, but the sophisticated AGM design—which is becoming more popular—does require the proper equipment and a little care. Here are the key ...

️ Editor's note: We will be updating this article in the coming months to reflect long-term testing. Dead batteries are the silent killers of garage-kept cars. If you store your car for any stretch ...

If your car has a stop-start feature (i.e. the engine stops automatically when you come to a halt), it'll probably have an AGM battery and you'll have to use the AGM setting. This shouldn't be ...

It's no secret we like Odyssey Absorbed Glass Mat sealed batteries. After discharging one to nothing with a phantom load we didn't know we had in the Jeep, we tried recharging it using a trickle ...