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.

So, here we are. Current (HA!) issue is a flat battery on a car that gets not-enough driving. It's curb parking, so running a cord for a trickle charger isn't a great option.

You’ve had several columns about a guy who doesn’t drive often and wants to keep his battery from dying between starts. You recommended a trickle charger to keep the battery topped up.