Audi A8 Battery Sizes (1997 - 2021)

From 1997 to 2021, the Audi A8 has battery codes of H6, H9, H7, and H8.

The Battery Council International has created a standard of battery codes consisting of letters and numbers which refer to the battery size that will fit best for a particular vehicle.

Scroll down to see the physical dimensions and battery code for your specific model year of Audi A8.

2018 to 2021 Audi A8 Battery Size Comparison Table

Year	Battery Code	Length	Width	Height
2021	H6	12 1/16 in.	6 7/8 in.	7 9/16 in.
2020	H6	12 1/16 in.	6 7/8 in.	7 9/16 in.
2019	H6	12 1/16 in.	6 7/8 in.	7 9/16 in.
2018	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.

2013 to 2017 Audi A8 Battery Size Comparison Table

Year	Battery Code	Length	Width	Height
2017	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2016	H7	12 3/8 in.	6 7/8 in.	7 1/2 in.
2015	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2014	H7	12 3/8 in.	6 7/8 in.	7 1/2 in.
2013	H7	12 3/8 in.	6 7/8 in.	7 1/2 in.

2008 to 2012 Audi A8 Battery Size Comparison Table

Year	Battery Code	Length	Width	Height
2012	H7	12 3/8 in.	6 7/8 in.	7 1/2 in.
2011	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2010	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2009	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2008	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.

2003 to 2007 Audi A8 Battery Size Comparison Table

Year	Battery Code	Length	Width	Height
2007	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2006	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2005	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2004	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2003	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.

2000 to 2002 Audi A8 Battery Size Comparison Table

Year	Battery Code	Length	Width	Height
2002	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2001	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.
2000	H9	15 9/16 in.	6 7/8 in.	7 1/2 in.

1997 to 1999 Audi A8 Battery Size Comparison Table

Year	Battery Code	Length	Width	Height
1999	H8	15 in.	6 7/8 in.	7 3/16 in.
1998	H8	15 in.	6 7/8 in.	7 3/16 in.
1997	H8	15 in.	6 7/8 in.	7 3/16 in.