The Chevrolet Trailblazer battery sizes are: H6 (model year 2022) or 78 (model years 2002 to 2009) as specified in our data below, organized by trim, option package, and model year.
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Chevrolet Trailblazer Battery Size(s)
| Year |
Trim |
Battery Size Code |
Battery Size (L X W X H) Inches |
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| 2022 |
L3/1.3L |
H6 (48) |
12 1/16" x 6 7/8" x 7 9/16" |
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| 2009 |
Standard |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
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| 2008 |
Standard |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
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| 2007 |
L6/4.2L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
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| 2006 |
V8/5.3L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
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| 2005 |
L6/4.2L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
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| 2004 |
L6/4.2L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
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| 2003 |
Standard |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
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| 2002 |
L6/4.2L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
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(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.
2022 Chevrolet Trailblazer Battery Size
The recommended 2022 Chevrolet Trailblazer battery size is H6 (Height: 12 1/16" x Width: 6 7/8" x Length: 7 9/16").
2022 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| L3/1.3L |
H6 (48) |
12 1/16" x 6 7/8" x 7 9/16" |
30.6 cm x 17.5 cm x 19.2 cm |
2009 Chevrolet Trailblazer Battery Size
The recommended 2009 Chevrolet Trailblazer battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2009 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| Standard |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2008 Chevrolet Trailblazer Battery Size
The recommended 2008 Chevrolet Trailblazer battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2008 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| Standard |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2007 Chevrolet Trailblazer Battery Size
The recommended 2007 Chevrolet Trailblazer battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2007 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| L6/4.2L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2006 Chevrolet Trailblazer Battery Size
The recommended 2006 Chevrolet Trailblazer battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2006 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/5.3L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2005 Chevrolet Trailblazer Battery Size
The recommended 2005 Chevrolet Trailblazer battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2005 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| L6/4.2L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2004 Chevrolet Trailblazer Battery Size
The recommended 2004 Chevrolet Trailblazer battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2004 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| L6/4.2L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2003 Chevrolet Trailblazer Battery Size
The recommended 2003 Chevrolet Trailblazer battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2003 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| Standard |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2002 Chevrolet Trailblazer Battery Size
The recommended 2002 Chevrolet Trailblazer battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2002 Chevrolet Trailblazer Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| L6/4.2L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
Chevrolet Trailblazer