Can You Leave A Car Battery Charger On Too Long. If the trickle charger is a smart charger it can remain connected without damaging the. Charging an idle car battery can decrease the sulfation by converting the sulfate particles attached to the discharged areas of the battery back into useful plate material.

It depends on the battery charger. Like we just mentioned above a damaged cell is a primary reason why you should not leave a battery maintainer or any charger for that matter hooked up to your battery for the long-term. If you have a bad cell it is time to look into getting a new battery.
It depends on the battery charger.
If you have a bad cell it is time to look into getting a new battery. If you leave a car battery charger on your car for too long it can damage your car battery rendering it useless. You can remove the battery and bring it inside where its presumably not freezing but it can still discharge over the season. The chances of successfully reviving it generally depend on.
