Epoch Marine 12V 172Ah Group 31 vs Power Queen 12V 200Ah LiFePO4
Epoch Marine 12V 172Ah Group 31 (172Ah) vs Power Queen 12V 200Ah LiFePO4 (200Ah) compared spec-by-spec. Cycle life, BMS, pricing, pros, cons, and our verdict on which off-grid battery to buy.
| Specification | A — epoch Epoch Marine 12V 172Ah Group 31 8.3/10 $899
Price unavailable
| |
|---|---|---|
| Capacity Ah | 172 | 200 |
| Voltage | 12 | 12 |
| Battery Type | LiFePO4 | LiFePO4 |
| Group Size | Group 31 | — |
| Energy Wh | — | 2,560 |
| Cycle Life | — | 4,000 cycles |
| Weight | — | 52.9 lbs |
| Dimensions | — | 20.5 x 9.4 x 8.4 in |
| Bms Included | — | Yes |
| Max Continuous Discharge A | — | 200 |
| Max Charge Rate A | — | 100 |
| Cold Temp Cutoff | — | 32F (0C) |
| Operating Temp | — | 32-131F |
| Series Parallel | — | Yes |
| Ip Rating | — | IP65 |
| Warranty | — | 5 years |
| Bluetooth | — | No |
Buy the Epoch Marine 12V 172Ah Group 31
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Buy the Power Queen 12V 200Ah LiFePO4
Best prices · Updated hourly
Who Should Buy the Epoch Marine 12V 172Ah Group 31?
The Epoch Marine 12V 172Ah Group 31 is built for marine, trolling motor. Its 172Ah at 12V gives you 2.1kWh of usable energy — suitable for a standalone house battery or small bank.
Key advantages include: 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.
Priced at $899, the Epoch Marine 12V 172Ah Group 31 scores 8.3/10 overall — a strong showing across the board.
Who Should Buy the Power Queen 12V 200Ah LiFePO4?
The Power Queen 12V 200Ah LiFePO4 is built for rv house battery, off grid cabin bank, marine. Its 200Ah at 12V gives you 2.4kWh of usable energy — enough for a full off-grid battery bank.
Key advantages include: unbeatable value at ~$1.75/ah — cheapest 200ah lifepo4 on the market; 4,000 cycle life at 80% depth of discharge; 200a continuous discharge handles high-draw inverters. At 52.9 lbs, plan for a two-person install or lifting equipment.
Priced at $350, the Power Queen 12V 200Ah LiFePO4 scores 8.3/10 overall — a strong showing across the board.
How Do the Specs Compare?
Capacity: The Power Queen 12V 200Ah LiFePO4 offers more amp-hours at 200Ah vs 172Ah for the Epoch Marine 12V 172Ah Group 31. More Ah means more runtime before hitting the safe depth-of-discharge floor — critical for overnight draws and cloudy multi-day stretches.
Chemistry: Both batteries use LiFePO4 chemistry, so cycle life and thermal stability are in the same ballpark — the specs and price become the main differentiators.
Price: The Power Queen 12V 200Ah LiFePO4 costs $350 versus $899 for the Epoch Marine 12V 172Ah Group 31 — a $549 difference. For long-term value, divide the price by the rated cycle life to get a true cost-per-cycle comparison.
🏆 Our Verdict
Choose the Epoch Marine 12V 172Ah Group 31 if you need a more portable solution at undefined lbs and strong performance for its class.
Choose the Power Queen 12V 200Ah LiFePO4 if you prioritize value (typically $549 less) .
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