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Hummer H1 Battery Sizes (2002 - 2006): Battery Replacement Guide

Researched By The AutoPadre Research Team

Last Updated 2023-03-31

The Hummer H1 battery sizes are: 79 (model years 2003 to 2006) or 78 (model year 2002) as specified in our data below, organized by trim, option package, and model year.

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Hummer H1 Battery Size(s)
Year Trim Battery Size Code Battery Size (L X W X H) Inches Get Here (paid link)
2006 V8/6.6L 79 12.1" x 7.1" x 7.4" Amazon
2004 V8/6.5L 79 12.1" x 7.1" x 7.4" Amazon
2003 V8/6.5L 79 12.1" x 7.1" x 7.4" Amazon
2002 V8/6.5L 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.

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2000's

2006 Hummer H1 Battery Size

The recommended 2006 Hummer H1 battery size is 79 (Height: 12.1" x Width: 7.1" x Length: 7.4").

2006 Hummer H1 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V8/6.6L 79 12.1" x 7.1" x 7.4" 30.7 cm x 17.9 cm x 18.8 cm

2004 Hummer H1 Battery Size

The recommended 2004 Hummer H1 battery size is 79 (Height: 12.1" x Width: 7.1" x Length: 7.4").

2004 Hummer H1 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V8/6.5L 79 12.1" x 7.1" x 7.4" 30.7 cm x 17.9 cm x 18.8 cm

2003 Hummer H1 Battery Size

The recommended 2003 Hummer H1 battery size is 79 (Height: 12.1" x Width: 7.1" x Length: 7.4").

2003 Hummer H1 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V8/6.5L 79 12.1" x 7.1" x 7.4" 30.7 cm x 17.9 cm x 18.8 cm

2002 Hummer H1 Battery Size

The recommended 2002 Hummer H1 battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").

2002 Hummer H1 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V8/6.5L 78 10 1/4" x 7 1/16" x 7 11/16" 26.0 cm x 17.9 cm x 19.6 cm
Hummer H1 Battery Sizes Brought To You By AutoPadre
Hummer H1 Battery Sizes Brought To You By AutoPadre
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Hummer H1 Battery Size Comparisons By Year

2002 vs. 2004

2003 vs. 2006

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