Hummer H2 Battery Size by Year
The 2008-2009 Hummer H2 uses a BCI Group 48 battery. 2003-2007 models use a BCI Group 79 battery.
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Battery by model year
| Model years | Battery | Type | CCA | Buy |
|---|---|---|---|---|
| 2008-2009 | Group 48 | Flooded | 660-760 | Shop Group 48 |
| 2003-2007 | Group 79 | Flooded | 770-875 | Shop Group 79 |
Match the group and type on the battery you are removing. Shop links go to Amazon, and we may earn a commission at no extra cost to you. Open your exact year below for CCA, terminals and our sources.
Every H2 year
Choose your model year for the exact Group size, CCA, terminal layout, and the right replacement for your Hummer H2.
2009 Hummer H2Group 482008 Hummer H2Group 482007 Hummer H2Group 792006 Hummer H2Group 792005 Hummer H2Group 792004 Hummer H2Group 792003 Hummer H2Group 79
Sources. The battery size for 7 of 7 model years is checked against a cited source, most often CarSpecs. Each year page lists its own sources.
Last verified 2026-06-18. Maintained by Matan B., who runs GarageDex. How we verify.