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Epoch Marine 12V 172Ah Group 31 vs LiTime 100Ah Mini 12V LiFePO4

Epoch Marine 12V 172Ah Group 31 (172Ah) vs LiTime 100Ah Mini 12V LiFePO4 (100Ah) 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
B — litime

LiTime 100Ah Mini 12V LiFePO4

8.1/10
$200
$230 Save $30
Check Price on Amazon
Capacity Ah 172 100
Voltage 12 12
Battery Type LiFePO4 LiFePO4
Group Size Group 31 —
Energy Wh — 1,280
Cycle Life — 4,000 cycles
Weight — 19.4 lbs
Dimensions — 10.24 x 5.22 x 8.39 in
Bms Included — Yes
Max Continuous Discharge A — 100
Max Charge Rate A — 100
Cold Temp Cutoff — 32F (0C)
Operating Temp — 32-131F
Series Parallel — Yes
Ip Rating — N/A
Warranty — 5 years

Buy the Epoch Marine 12V 172Ah Group 31

Best prices · Updated hourly

Price unavailable

Buy the LiTime 100Ah Mini 12V 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 LiTime 100Ah Mini 12V LiFePO4?

The LiTime 100Ah Mini 12V LiFePO4 is built for rv house battery, van life, marine. Its 100Ah at 12V gives you 1.2kWh of usable energy — suitable for a standalone house battery or small bank.

Key advantages include: ultra-compact mini form factor — 30% smaller than standard 100ah batteries; only 19.4 lbs — one of the lightest 100ah lifepo4 batteries available; 4,000 cycle life at 100% dod for long-term value. At 19.4 lbs, it's one of the lighter options in its class.

Priced at $200, the LiTime 100Ah Mini 12V LiFePO4 scores 8.1/10 overall — a strong showing across the board.

How Do the Specs Compare?

Capacity: The Epoch Marine 12V 172Ah Group 31 offers more amp-hours at 172Ah vs 100Ah for the LiTime 100Ah Mini 12V LiFePO4. 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 LiTime 100Ah Mini 12V LiFePO4 costs $200 versus $899 for the Epoch Marine 12V 172Ah Group 31 — a $699 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 maximum capacity (172Ah vs 100Ah) and strong performance for its class.

Choose the LiTime 100Ah Mini 12V LiFePO4 if you prioritize value (typically $699 less) .

Related

Frequently Asked Questions

Is the Epoch Marine 12V 172Ah Group 31 better than the LiTime 100Ah Mini 12V LiFePO4?
The Epoch Marine 12V 172Ah Group 31 scores 8.3/10 vs 8.1/10 overall. The Epoch Marine 12V 172Ah Group 31 offers 172Ah capacity and LiFePO4 chemistry, while the LiTime 100Ah Mini 12V LiFePO4 provides 100Ah with LiFePO4. Choose based on whether you prioritize capacity and features.
Which is more portable, Epoch Marine 12V 172Ah Group 31 or LiTime 100Ah Mini 12V LiFePO4?
The LiTime 100Ah Mini 12V LiFePO4 is lighter at NaN lbs vs NaN lbs.
Which offers better value, Epoch Marine 12V 172Ah Group 31 or LiTime 100Ah Mini 12V LiFePO4?
The Epoch Marine 12V 172Ah Group 31 costs $899 while the LiTime 100Ah Mini 12V LiFePO4 costs $200. On a cost-per-amp-hour basis, the LiTime 100Ah Mini 12V LiFePO4 offers better value.