986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - left lights on, killed batt. Charge or replace?

Allegro · 08-19-2019, 04:08 PM

Lead acid batteries are not meant to go below about a 50% state of discharge. At least not often. And in cars that very seldom happens. But once? Your battery should be fine if you charge it fully, i.e. more than just running it in the car for a bit. Put in on a good charger for 24 hrs or more.

08-19-2019, 04:08 PM	#21
Allegro Registered User Join Date: Sep 2018 Location: Amherst, MA Posts: 66	Lead acid batteries are not meant to go below about a 50% state of discharge. At least not often. And in cars that very seldom happens. But once? Your battery should be fine if you charge it fully, i.e. more than just running it in the car for a bit. Put in on a good charger for 24 hrs or more.