Need to charge your car's battery? A trickle charger will help you do so safely and without a ton of equipment, but don't expect it to be quick.

While they shouldn't be used to jumpstart a dead battery, trickle chargers have become real difference makers in the automotive care sector. Here's why.

But if you’re leaving a car idle for months or a whole season, then you have to worry about the 9-volt battery dying. So, personally, I think it’s just easier to use a trickle charger, Mike.