?Want a single battery solution that can both start your outboard and run your marine electronics without the extra weight and complexity of two batteries?
First impressions
We unboxed the Litime 12V 165Ah Dual Purpose LiFePO4 Lithium Marine Starting Battery, 1200CCA, Deep Cycle Cranking & Storage Battery for Boat, Group 31, Compatiable with Mercury, Honda, Suzuki, Evinrude 2-Pack and immediately noticed how compact and noticeably lighter these batteries are compared with typical lead-acid Group 31 units. The build quality looks solid and the inclusion of features like Bluetooth monitoring, a built-in BMS, and self-heating technology suggests this is designed specifically for marine use rather than a cobbled-together generic lithium pack.
Key specifications
We like to keep the headline specs in one place so we can refer back while testing and comparing. This section summarizes the most important numbers the manufacturer provides and what they mean for real-world use.
| Specification | Value | Notes |
|---|---|---|
| Battery type | LiFePO4 (Lithium Iron Phosphate) | Chemically stable, long life |
| Nominal voltage | 12.8 V | Standard for marine 12V systems |
| Capacity | 165 Ah | Ample capacity in Group 31 size |
| Energy | 2112 Wh | 12.8 V × 165 Ah = 2112 Wh (manufacturer figure) |
| Starting power | 1200 CCA (@14°F) / 1300 MCA (@32°F) | Strong cold cranking ability |
| Function | Dual-purpose (starting + deep cycle) | Designed for both cranking and loads |
| Self-heating | Activates |
