| Model | D27M |
| Battery Group | 27 |
| Ampere Hours, (AH) | 66 |
| Cold Cranking Amps (CCA) | 800 |
| Reserve Capacity (at 25 Amps) | 140 |
| Voltage | 12 |
| Case Material | Polypropylene |
| Case Color | Light Gray |
| Cover Color | OPTIMA Blue |
| Length, inches | 12.19 |
| Width, inches | 6.81 |
| Height, inches | 8.75 |
| Weight | 54 |
| Internal Resistance | 0.0025 |