Complete battery specifications for your 2003 Ford Focus.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Sport | 3.6L V6 | 47 | 731 CCA | 124 min | Side Post |
| King Ranch | 3.6L V6 | 51R | 654 CCA | 101 min | Top Post |
| SEL | 3.6L V6 | 47 | 658 CCA | 107 min | Top Post |
| XL | 3.6L V6 | 51 | 740 CCA | 115 min | Dual Terminal |
| Base | 2.4L I4 | 35 | 591 CCA | 104 min | Dual Terminal |
| Lariat | 2.4L I4 | 24 | 479 CCA | 86 min | Side Post |
| Premium | 2.4L I4 | 24 | 518 CCA | 88 min | Dual Terminal |
| Premium | 3.5L V6 | 47 | 645 CCA | 103 min | Top Post |
| SE | 3.5L V6 | 24F | 703 CCA | 118 min | Side Post |
| Lariat | 3.5L V6 | 24F | 624 CCA | 109 min | Top Post |
| Limited | 3.5L V6 | 24F | 696 CCA | 119 min | Side Post |
| XL | 3.5L V6 | 35 | 601 CCA | 90 min | Side Post |