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The 2010 Toyota Tundra requires a Group Size 27F battery with 710 cold cranking amps (CCA), which is the industry standard for batteries. The battery size is determined by its dimensions and polarity. CCA indicates the battery's ability to start the engine in cold weather, with higher CCA ratings being more effective. A properly maintained battery for the Tundra should last around 72 months, depending on driving conditions. Signs of a failing battery include slow engine cranking, the check engine light illuminating, swelling, or leaks. A replacement battery for the truck typically costs between $90 and $200.
The 2010 Toyota Tundra comes with a battery that has a capacity of 35,650 cold cranking amps.