Power Queen 12V 100Ah Self-Heating
#2 in 100 Ah classFull review
The cheapest way to get self-heating in a Group 31 battery, for cold-weather RV and marine use. Independent testing confirms its rated capacity.
Amazon $284.99$284.99
The Power Queen 12V 100Ah Self-Heating is the better 12V lithium battery overall, rated 4.0 to 3.7. The Power Queen 12V 100Ah Self-Heating leads on cold weather. The Power Queen 12V 125Ah Group 27 costs $1 less ($283.99 vs $284.99).
Power Queen 12V 125Ah Group 27
#4 in 100 Ah classFull review
For RV and boat owners with a Group 27 tray who want extra runtime and app monitoring for little more than a 100Ah battery.
Amazon $283.99$283.99
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Power Queen 12V 100Ah Self-Heating for cold weather (self-heating, so it charges below freezing vs stops charging below freezing (no heater)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 100 ah class 12V lithium battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | Power Queen 12V 100Ah Self-Heating | Power Queen 12V 125Ah Group 27 |
|---|---|---|
| Overall rating | 4.0/5 | 3.7/5 |
| Value 35% | 80 $0.22 per rated Wh | 87 $0.18 per rated Wh |
| Tested capacity 15% | 100 105% of rated capacity measured (1 test) | 50 not yet independently tested (neutral score used) |
| Output 15% | 50 100 A continuous (about 1,280 W at 12.8 V) | 50 100 A continuous (about 1,280 W at 12.8 V) |
| Warranty 15% | 50 5-year warranty | 50 5-year warranty |
| Cycle life 10% | 50 4,000 cycles at 100% depth, maker rating | 50 4,000 cycles at 100% depth, maker rating |
| Cold weather 10% | 100 self-heating, so it charges below freezing | 60 stops charging below freezing (no heater) |
Independent capacity tests
Power Queen 12V 100Ah Self-Heating
| Tested by | Measured | Energy | Of rated | Discharge | Conditions |
|---|---|---|---|---|---|
| techtest.org | 105.5 Ah | 1,368 Wh | 105% | 5 A | Self-heating version, EU unit (329 x 172 x 214 mm, 10.7 kg), discharged with an electronic load. Same test measured 105.23 Ah / 1351 Wh at 10 A and 105.57 Ah / 1321 Wh at 20 A. |
Power Queen 12V 125Ah Group 27
No independent test published yet.
Specifications
| Power Queen 12V 100Ah Self-Heating | Power Queen 12V 125Ah Group 27 | |
|---|---|---|
| Capacity | ||
| Rated capacity | 100 Ah (1,280 Wh) | 125 Ah (1,600 Wh) |
| Tested capacity | 105% of rated | - |
| Nominal voltage | 12.8 V | 12.8 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 4,000 at 100% depth | 4,000 at 100% depth |
| Price per Wh | $0.22 | $0.18 |
| BMS | ||
| Continuous discharge | 100 A | 100 A |
| Max charge current | - | 100 A |
| Low-temperature charging | Self-heating | Charge cutoff only |
| Bluetooth monitoring | - | Yes |
| Series / parallel | - | up to 4 in series, 4 in parallel |
| Build | ||
| Case size | Group 31 | Group 27 |
| Dimensions | 12.99 x 6.77 x 8.5 in | 12.13 x 6.69 x 8.31 in |
| Weight | 23.3 lb | 25.1 lb |
| Terminals | - | M8 |
| Water resistance | - | IP65 |
| Warranty | 5 years | 5 years |
| Released | 2023-03 | 2025-04 |