2005 Chevrolet Tahoe Battery Size
The 2005 Chevrolet Tahoe uses a BCI Group 78 battery, rated about 700-800 cold cranking amps (Flooded).
- Battery type (OEM)
- Flooded
- Cold cranking amps (CCA)
- 700-800
- Terminal position
- Standard-terminal layout
- Dimensions (L×W×H)
- 260×179×186 mm
- Location
- Under the hood (engine bay)
GMT800; side-terminal. Always confirm against your owner's manual or current battery label.
Where to buy a Group 78 battery
A car battery is heavy and expensive to ship, so buying in person (Walmart, Costco, or a local auto-parts store) often beats online once you count free installation and the core-charge refund on your old battery. To compare prices and reviews online:
Search Group 78 batteries on Amazon700+ CCA, FloodedAs an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Frequently asked
What size battery does a 2005 Chevrolet Tahoe take?
The 2005 Chevrolet Tahoe uses a BCI Group 78 battery, rated around 700-800 cold cranking amps.
Does the 2005 Chevrolet Tahoe need an AGM battery?
No - it comes with a flooded battery from the factory. You can usually upgrade to AGM in the same Group 78 size, but it isn't required.
How many cold cranking amps (CCA) does it need?
Aim for roughly 700-800 CCA. Choosing at or above the OEM rating is fine; going below can cause hard starts in cold weather.
Where is the battery located?
Under the hood (engine bay). Standard-terminal layout.