The 2002 Chevrolet Tahoe uses a BCI Group 65 battery — Flooded lead-acid chemistry recommended. The Raya Energy catalog has 1 matching ZITEX SKU.
How many CCA does a 2002 Chevrolet Tahoe need?
OEM specifies at least 600 CCA (cold cranking amps). In Canadian winters, anywhere from 600 to 720 CCA is sensible — higher CCA gives more starting headroom on the coldest mornings without affecting normal operation.
Does my 2002 Chevrolet Tahoe need AGM?
AGM isn't required for the standard 2002 Chevrolet Tahoe fitments listed above — flooded chemistry is fine. AGM is still a sensible upgrade for cold-climate use or high-accessory-load vehicles.