Many chargers double as maintainers, but you don't need many amps just to keep a battery topped up. Photo credit: Davi ...

We put five automobile battery chargers and maintainers to the test to see which ones will best keep your vehicle's battery ...

Lead acid batteries are rechargeable batteries consisting of lead plates with a sulfuric acid/water electrolyte solution. Car batteries and deep cycle batteries use lead acid technology. All batteries ...