Chevrolet Blazer Battery Size

On this page, we'll cover all of the different battery sizes for the 19 years of data we have for the Chevrolet Blazer - from 1989 to the most recent model in 2020.

Overview

The Chevrolet Blazer has 4 battery groups of H7, 75/86, 34/78 and 78. The table below covers the battery sizes for each group.

Chevrolet Blazer Battery Size Specifications
Battery Group Code1 Imperial Length x Width x Height Metric Length x Width x Height
H7 12 3/8 x 6 7/8 x 7 1/2 31.5 x 17.5 x 19.0
75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1
34/78 10 1/4 x 6 13/16 x 7 7/8 26.0 x 17.3 x 20.0
78 10 1/4 x 7 1/16 x 7 11/16 26.0 x 17.9 x 19.6

(1) The group code is a unique identifier for the battery group and is used by the Battery Council Internation (BCI). The code is a combination of letters and numbers and are used to ensure the battery size will be the best fit for a specific vehicle.

Chevrolet Blazer Battery Size by Year

In the sections below we'll give you all of the battery size specifications and battery group codes for each specific Chevrolet Blazer model year.

2020 Chevrolet Blazer

The 2020 Chevrolet Blazer Standard has a group code of H7, with a battery size of 12 3/8 x 6 7/8 x 7 1/2 inches (31.5 x 17.5 x 19.0 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 2020 Chevrolet Blazer.

2020 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard H7 12 3/8 x 6 7/8 x 7 1/2 31.5 x 17.5 x 19.0

2019 Chevrolet Blazer

The 2019 Chevrolet Blazer Standard has a group code of H7, with a battery size of 12 3/8 x 6 7/8 x 7 1/2 inches (31.5 x 17.5 x 19.0 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 2019 Chevrolet Blazer.

2019 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard H7 12 3/8 x 6 7/8 x 7 1/2 31.5 x 17.5 x 19.0

2005 Chevrolet Blazer

The 2005 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 2005 Chevrolet Blazer.

2005 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

2004 Chevrolet Blazer

The 2004 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 2004 Chevrolet Blazer.

2004 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

2003 Chevrolet Blazer

The 2003 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 2003 Chevrolet Blazer.

2003 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

2002 Chevrolet Blazer

The 2002 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 2002 Chevrolet Blazer.

2002 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

2001 Chevrolet Blazer

The 2001 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 2001 Chevrolet Blazer.

2001 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

2000 Chevrolet Blazer

The 2000 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 2000 Chevrolet Blazer.

2000 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

1999 Chevrolet Blazer

The 1999 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1999 Chevrolet Blazer.

1999 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

1998 Chevrolet Blazer

The 1998 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1998 Chevrolet Blazer.

1998 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

1997 Chevrolet Blazer

The 1997 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1997 Chevrolet Blazer.

1997 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

1996 Chevrolet Blazer

The 1996 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1996 Chevrolet Blazer.

1996 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

1995 Chevrolet Blazer

The 1995 Chevrolet Blazer Standard, Opt has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1995 Chevrolet Blazer.

1995 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Opt 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1

1994 Chevrolet Blazer

The 1994 Chevrolet Blazer Standard, Dsl has a group code of 34/78, with a battery size of 10 1/4 x 6 13/16 x 7 7/8 inches (26.0 x 17.3 x 20.0 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1994 Chevrolet Blazer.

1994 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Dsl 34/78 10 1/4 x 6 13/16 x 7 7/8 26.0 x 17.3 x 20.0

1993 Chevrolet Blazer

The 1993 Chevrolet Blazer Standard, Aux Bat has a group code of 34/78, with a battery size of 10 1/4 x 6 13/16 x 7 7/8 inches (26.0 x 17.3 x 20.0 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1993 Chevrolet Blazer.

1993 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Aux Bat 34/78 10 1/4 x 6 13/16 x 7 7/8 26.0 x 17.3 x 20.0

1992 Chevrolet Blazer

The 1992 Chevrolet Blazer Standard, Aux Bat has a group code of 34/78, with a battery size of 10 1/4 x 6 13/16 x 7 7/8 inches (26.0 x 17.3 x 20.0 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1992 Chevrolet Blazer.

1992 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Aux Bat 34/78 10 1/4 x 6 13/16 x 7 7/8 26.0 x 17.3 x 20.0

1991 Chevrolet Blazer

The 1991 Chevrolet Blazer Standard, Dsl, Aux Bat has a group code of 34/78, with a battery size of 10 1/4 x 6 13/16 x 7 7/8 inches (26.0 x 17.3 x 20.0 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1991 Chevrolet Blazer.

1991 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Dsl, Aux Bat 34/78 10 1/4 x 6 13/16 x 7 7/8 26.0 x 17.3 x 20.0

1990 Chevrolet Blazer

The 1990 Chevrolet Blazer Standard has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

The 1990 Chevrolet Blazer Opt, Dsl has a group code of 34/78, with a battery size of 10 1/4 x 6 13/16 x 7 7/8 inches (26.0 x 17.3 x 20.0 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1990 Chevrolet Blazer.

1990 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1
Opt, Dsl 34/78 10 1/4 x 6 13/16 x 7 7/8 26.0 x 17.3 x 20.0

1989 Chevrolet Blazer

The 1989 Chevrolet Blazer Standard, Dsl has a group code of 75/86, with a battery size of 9 1/2 x 7 1/4 x 8 3/8 inches (24.0 x 18.0 x 20.1 cm).

The 1989 Chevrolet Blazer Opt has a group code of 78, with a battery size of 10 1/4 x 7 1/16 x 7 11/16 inches (26.0 x 17.9 x 19.6 cm).

You can use the table below as a quick reference whenever you need to check the battery size of your 1989 Chevrolet Blazer.

1989 Chevrolet Blazer Battery Size Specifications
Trim Battery Group Code Length x Width x Height (inches) Length x Width x Height (cm)
Standard, Dsl 75/86 9 1/2 x 7 1/4 x 8 3/8 24.0 x 18.0 x 20.1
Opt 78 10 1/4 x 7 1/16 x 7 11/16 26.0 x 17.9 x 19.6