Complete battery specifications for your 2018 Lexus RX.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| King Ranch | 2.5L I4 | 25 | 487 CCA | 92 min | Dual Terminal |
| SE | 2.5L I4 | 24F | 556 CCA | 83 min | Top Post |
| SEL | 2.5L I4 | 24 | 544 CCA | 84 min | Dual Terminal |
| Base | 2.5L I4 | 47 | 509 CCA | 92 min | Dual Terminal |
| Denali | 2.5L I4 | 51R | 514 CCA | 90 min | Dual Terminal |
| SEL | 5.7L V8 | 24F | 795 CCA | 123 min | Side Post |
| XL | 5.7L V8 | 48 | 829 CCA | 134 min | Dual Terminal |
| SE | 5.7L V8 | 24F | 700 CCA | 125 min | Side Post |
| Sport | 5.7L V8 | 35 | 848 CCA | 136 min | Dual Terminal |
| Base | 5.7L V8 | 25 | 755 CCA | 117 min | Side Post |
| Platinum | 2.0L I4 | 48 | 529 CCA | 94 min | Top Post |
| Denali | 2.0L I4 | 51R | 520 CCA | 78 min | Side Post |
| Sport | 2.0L I4 | 35 | 503 CCA | 84 min | Dual Terminal |
| Lariat | 2.0L I4 | 25 | 561 CCA | 103 min | Top Post |