Complete battery specifications for your 2021 Ram 3500.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Platinum | 6.2L V8 | 78 | 890 CCA | 145 min | Top Post |
| SE | 6.2L V8 | 65 | 857 CCA | 130 min | Top Post |
| Lariat | 6.2L V8 | 78 | 829 CCA | 140 min | Dual Terminal |
| Limited | 3.5L V6 | 65 | 843 CCA | 142 min | Side Post |
| Sport | 3.5L V6 | 34 | 798 CCA | 135 min | Dual Terminal |
| Base | 3.5L V6 | 65 | 844 CCA | 138 min | Side Post |
| King Ranch | 2.4L I4 | 65 | 577 CCA | 89 min | Side Post |
| SE | 2.4L I4 | 78 | 692 CCA | 119 min | Dual Terminal |
| Denali | 2.4L I4 | 34 | 594 CCA | 91 min | Dual Terminal |