What could be draining a fully charged battery in less than 24 hours on a 2009 Hundyai Eleantra? Battery less than 6 months old, alternator and starter both passed testing.

Asked by Lovergurl Apr 20, 2017 at 08:44 AM about the 2009 Hyundai Elantra

Question type: Maintenance & Repair

Battery less than 6 mos old draining from a full charge in less than 24hours. Alternator and starter tested at Oreillys on full battery. Both passed all categories and  battery tested good also. What could be the problem?

1 Answer


There is what is called a parasitic draw on the battery. Here is a video on how to check for that... www.youtube.com/watch?v=QRso1A0VScw

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