When parking your car for an extended period, Consumer Reports says, it is smart to use a car battery charger to make sure the car can start when you need it.

I do have a battery charger, which I haven't had to use yet, but some cars are a little harder to connect to the charger. I have a 2005 Mercedes, 2017 BMW X1 and 2019 BMW X3.

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.

I do have a battery charger, which I haven't had to use yet, but some cars are a little harder to connect to the charger. I have a 2005 Mercedes, 2017 BMW X1 and 2019 BMW X3.