facebook pixel

Chevrolet Blazer Battery Sizes (1989 - 2021): Battery Replacement Guide

Researched By AutoPadre Research Team


Chevrolet Blazer Battery Sizes Overview

The Chevrolet Blazer battery sizes include: H7 (model years 2019 to 2021), 75/86 (model years 1989 to 2005), 75 (model years 2002 to 2004), 34/78 (model years 1990 to 1994), and 78 (model year 1989) as specified in our data below, organized by trim, option package, and model year.

“As an Amazon Associate we earn a commission from qualifying purchases clicked through on this page.”

Chevrolet Blazer Battery Size(s)
Year Trim Battery Size Code Battery Size (L X W X H) Inches Get Here (paid link)
2021 L4/2.5L H7 (94R) 12 3/8" x 6 7/8" x 7 1/2" Amazon
2020 Standard H7 (94R) 12 3/8" x 6 7/8" x 7 1/2" Amazon
2019 Standard H7 (94R) 12 3/8" x 6 7/8" x 7 1/2" Amazon
2005 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
2004 V6/4.3L 75 9 1/16" x 7 1/16" x 7 11/16" Amazon
2003 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
2002 V6/4.3L 75 9 1/16" x 7 1/16" x 7 11/16" Amazon
2001 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
2000 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1999 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1998 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1997 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1996 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1995 Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1994 Dsl Standard 34/78 10 1/4" x 6 13/16" x 7 7/8" Amazon
1993 Bat Standard, Aux 34/78 10 1/4" x 6 13/16" x 7 7/8" Amazon
1992 Bat Standard, Aux 34/78 10 1/4" x 6 13/16" x 7 7/8" Amazon
1991 Bat Dsl, Standard, Aux 34/78 10 1/4" x 6 13/16" x 7 7/8" Amazon
1990 Dsl Opt 34/78 10 1/4" x 6 13/16" x 7 7/8" Amazon
1989 Opt 78 10 1/4" x 7 1/16" x 7 11/16" Amazon

(1) The Battery Council International (BCI) uses battery group codes consisting of letters and numbers (ie. H6, T4, 24, 34r). These refer to the battery size that will best fit (physical dimensions, terminal locations and type) a specific vehicle.

Check out the Battery Size specifications for other makes and models.

Chevrolet Blazer Battery Size

Jump To Model Year

2021 Chevrolet Blazer Battery Size

The recommended 2021 Chevrolet Blazer battery size is H7 (Height: 12 3/8" x Width: 6 7/8" x Length: 7 1/2").

2021 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
L4/2.5L H7 (94R) 12 3/8" x 6 7/8" x 7 1/2" 31.5 cm x 17.5 cm x 19.0 cm

2020 Chevrolet Blazer Battery Size

The recommended 2020 Chevrolet Blazer battery size is H7 (Height: 12 3/8" x Width: 6 7/8" x Length: 7 1/2").

2020 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard H7 (94R) 12 3/8" x 6 7/8" x 7 1/2" 31.5 cm x 17.5 cm x 19.0 cm

2019 Chevrolet Blazer Battery Size

The recommended 2019 Chevrolet Blazer battery size is H7 (Height: 12 3/8" x Width: 6 7/8" x Length: 7 1/2").

2019 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard H7 (94R) 12 3/8" x 6 7/8" x 7 1/2" 31.5 cm x 17.5 cm x 19.0 cm

2005 Chevrolet Blazer Battery Size

The recommended 2005 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

2005 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

2004 Chevrolet Blazer Battery Size

The recommended 2004 Chevrolet Blazer battery size is 75 (Height: 9 1/16" x Width: 7 1/16" x Length: 7 11/16").

2004 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V6/4.3L 75 9 1/16" x 7 1/16" x 7 11/16" 23.0 cm x 17.9 cm x 19.6 cm

2003 Chevrolet Blazer Battery Size

The recommended 2003 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

2003 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

2002 Chevrolet Blazer Battery Size

The recommended 2002 Chevrolet Blazer battery size is 75 (Height: 9 1/16" x Width: 7 1/16" x Length: 7 11/16").

2002 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V6/4.3L 75 9 1/16" x 7 1/16" x 7 11/16" 23.0 cm x 17.9 cm x 19.6 cm

2001 Chevrolet Blazer Battery Size

The recommended 2001 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

2001 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

2000 Chevrolet Blazer Battery Size

The recommended 2000 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

2000 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1999 Chevrolet Blazer Battery Size

The recommended 1999 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1999 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1998 Chevrolet Blazer Battery Size

The recommended 1998 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1998 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1997 Chevrolet Blazer Battery Size

The recommended 1997 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1997 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1996 Chevrolet Blazer Battery Size

The recommended 1996 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1996 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1995 Chevrolet Blazer Battery Size

The recommended 1995 Chevrolet Blazer battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1995 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard, Opt 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1994 Chevrolet Blazer Battery Size

The recommended 1994 Chevrolet Blazer battery size is 34/78 (Height: 10 1/4" x Width: 6 13/16" x Length: 7 7/8").

1994 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Dsl Standard 34/78 10 1/4" x 6 13/16" x 7 7/8" 26.0 cm x 17.3 cm x 20.0 cm

1993 Chevrolet Blazer Battery Size

The recommended 1993 Chevrolet Blazer battery size is 34/78 (Height: 10 1/4" x Width: 6 13/16" x Length: 7 7/8").

1993 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Bat Standard, Aux 34/78 10 1/4" x 6 13/16" x 7 7/8" 26.0 cm x 17.3 cm x 20.0 cm

1992 Chevrolet Blazer Battery Size

The recommended 1992 Chevrolet Blazer battery size is 34/78 (Height: 10 1/4" x Width: 6 13/16" x Length: 7 7/8").

1992 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Bat Standard, Aux 34/78 10 1/4" x 6 13/16" x 7 7/8" 26.0 cm x 17.3 cm x 20.0 cm

1991 Chevrolet Blazer Battery Size

The recommended 1991 Chevrolet Blazer battery size is 34/78 (Height: 10 1/4" x Width: 6 13/16" x Length: 7 7/8").

1991 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Bat Dsl, Standard, Aux 34/78 10 1/4" x 6 13/16" x 7 7/8" 26.0 cm x 17.3 cm x 20.0 cm

1990 Chevrolet Blazer Battery Size

The recommended 1990 Chevrolet Blazer battery sizes are 34/78 (Height: 10 1/4" x Width: 6 13/16" x Length: 7 7/8") or 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1990 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Dsl Opt 34/78 10 1/4" x 6 13/16" x 7 7/8" 26.0 cm x 17.3 cm x 20.0 cm
Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1989 Chevrolet Blazer Battery Size

The recommended 1989 Chevrolet Blazer battery sizes are 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16") or 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1989 Chevrolet Blazer Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Opt 78 10 1/4" x 7 1/16" x 7 11/16" 26.0 cm x 17.9 cm x 19.6 cm
Dsl Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm
Chevrolet Blazer Battery Sizes Brought To You By AutoPadre
Chevrolet Blazer Battery Sizes Brought To You By AutoPadre

Side-By-Side Comparisons

Chevrolet Blazer Battery Size By Year