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.
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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.
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 |
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Chevrolet Blazer Battery Size Comparisons By Year