Complete battery specifications for your 2026 Lexus RX.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| SEL | 5.7L V8 | 35 | 794 CCA | 119 min | Top Post |
| XLT | 5.7L V8 | 35 | 756 CCA | 128 min | Dual Terminal |
| Limited | 5.7L V8 | 51R | 791 CCA | 125 min | Top Post |
| Denali | 5.7L V8 | 51R | 752 CCA | 125 min | Side Post |
| SE | 5.7L V8 | 51 | 816 CCA | 130 min | Top Post |
| Premium | 3.6L V6 | 25 | 667 CCA | 113 min | Top Post |
| SEL | 3.6L V6 | 24 | 647 CCA | 113 min | Top Post |
| XL | 3.6L V6 | 24F | 658 CCA | 102 min | Dual Terminal |
| Limited | 5.0L V8 | 51 | 762 CCA | 131 min | Top Post |
| Lariat | 5.0L V8 | 24F | 705 CCA | 119 min | Side Post |
| XLT | 5.0L V8 | 24F | 742 CCA | 126 min | Top Post |
| XLT | Electric | H5 | 420 CCA | 75 min | Dual Terminal |
| Limited | Electric | H7 | 483 CCA | 78 min | Top Post |
| SE | Electric | H5 | 433 CCA | 73 min | Side Post |