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 rates 4.0 among 100 Ah class 12V lithium batterys; the LiTime 12V 50Ah rates 3.5 among small ones. The LiTime 12V 50Ah costs $75 less ($209.99 vs $284.99).
LiTime 12V 50Ah
#1 in SmallFull review
For kayak trolling motors, fish finders and small solar kits where weight matters more than runtime.
Amazon $209.99$209.99
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (100 Ah class and small), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Power Queen 12V 100Ah Self-Heating | LiTime 12V 50Ah |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| Value 35% | 80 $0.22 per rated Wh | 79 $0.33 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) | 38 50 A continuous (about 640 W at 12.8 V) |
| Warranty 15% | 50 5-year warranty | 50 5-year warranty |
| Cycle life 10% | 50 cycle life not published (neutral score used) | 50 4,000 cycles at 100% depth, maker rating |
| Cold weather 10% | 100 self-heating, so it charges below freezing | 50 low-temperature charging protection not stated (neutral score used) |
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. |
LiTime 12V 50Ah
No independent test published yet.
Specifications
| Power Queen 12V 100Ah Self-Heating | LiTime 12V 50Ah | |
|---|---|---|
| Capacity | ||
| Rated capacity | 100 Ah (1,280 Wh) | 50 Ah (640 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 |
| Price per Wh | $0.22 | $0.33 |
| BMS | ||
| Continuous discharge | 100 A | 50 A |
| Low-temperature charging | Self-heating | - |
| Build | ||
| Case size | Group 31 | - |
| Dimensions | 12.99 x 6.77 x 8.5 in | 6.54 x 7.68 x 6.77 in |
| Weight | 23.3 lb | 11.6 lb |
| Terminals | - | M8 bolt |
| Water resistance | - | IP65 |
| Warranty | 5 years | 5 years |