Epoch
Epoch Marine 12V 172Ah Group 31
8.3/10 Great
Epoch Marine 12V 172Ah review: Group 31 LiFePO4 built for trolling motors and marine house loads at $899 — a drop-in lithium upgrade from marine lead-acid.
$899
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Last updated: 2026-08-22
Buy the Epoch Marine 12V 172Ah Group 31
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How we test →Score Breakdown
Power 8.3/10
Portability 7.0/10
Value 8.0/10
Features 7.8/10
Pros & Cons
What We Like
- Group 31 case drops into standard marine battery trays
- 172Ah at 12V for trolling motors and marine house loads
- Purpose-built marine SKU from Epoch's 2026 lineup
- LiFePO4 weight and cycle-life advantage over marine lead-acid
Watch Out For
- 172Ah is modest next to 200Ah+ marine batteries at a similar price
- $899 for 172Ah is a per-Ah premium versus value 200Ah cells
- No Bluetooth or self-heating listed on this SKU
- New June 2026 release — limited independent marine testing at launch
Full Specifications
| Capacity Ah | 172 |
| Voltage | 12 |
| Battery Type | LiFePO4 |
| Group Size | Group 31 |
Best For
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