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Group 34 Battery

Aliases: 34 · 34R · Standard family: BCI/SAE

Direct answer: The Group 34 battery is a BCI/SAE-family group — a 12V lead-acid case of 260 × 175 × 182 (approx.) mm with Top post terminals, typically 55–75 Ah and 750–900 cold cranking amps (SAE J537 (−18°C)).

Specification

Entity typeBatteryGroup
Aliases34 / 34R
Standard familyBCI/SAE
Voltage12V
Typical capacity55–75 Ah
Typical CCA750–900 A
CCA basisSAE J537 (−18°C)
Dimensions (L×W×H)260 × 175 × 182 (approx.) mm
TerminalTop post
TechnologyFlooded / AGM
ApplicationsTrucks, SUVs, high-power automotive

Evidence

CCA 750–900 A — SAE J537 (−18°C)

Source: BCI group-size reference; Summit Racing / AutoZone product specs · Date: 2026-09 · Confidence: Medium

Related

Group sizes explained What is CCA CCA reference Dimensions & terminals Plate & grid design CCA testing

Values are cross-verified typical ranges, not a substitute for a specific battery's datasheet. Return to World Battery Hub.