Gel & AGM Battery Information Gel or “Gel Cell” use a thickener in the liquid electrolyte rather than water in the cells. They’re similar to AGM, or absorbed glass mat batteries. Gel batteries must be ...

- Gerry, Cobourg, Ont. A trickle charger never was the “best way” but thankfully new generation of “battery chargers” is on the market, which do the job nicely.

The process for using a trickle charger is pretty straightforward. The first thing is to have the automobile parked in a safe, well-ventilated area to avoid hydrogen gas buildup.

I’m a huge advocate of using a battery trickle-charger, or battery tender, when you won’t be driving your vehicle for extended periods of time – and especially if that vehicle is a newer one, packed ...

Whether you left the headlights on overnight or parked in the garage for months on end, your car battery can die for any ...

We found the Odyssey Ultimizer charger worked perfectly to bring our discharged Odyssey battery back from the dead and working like new. It's now doing duty as a long-term, computerized trickle ...

Unfortunately, it's getting more and more complicated to figure out what battery maintainer—trickle charger—to connect to your car as it hides from old man winter. See All 107 Photos ...