Complete battery specifications for your 2003 Chevrolet Blazer.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Base | 2.5L I4 | 49 | 467 CCA | 71 min | Side Post |
| Premium | 2.5L I4 | 48 | 460 CCA | 71 min | Side Post |
| Base | 3.5L V6 | H6 | 734 CCA | 123 min | Top Post |
| XLT | 3.5L V6 | 35 | 680 CCA | 112 min | Side Post |
| Sport | 3.5L V6 | 49 | 667 CCA | 107 min | Top Post |
| Lariat | 5.0L V8 | 35 | 778 CCA | 136 min | Dual Terminal |
| Denali | 5.0L V8 | 49 | 731 CCA | 110 min | Top Post |