Vatrer 12V 100Ah Self-Heating
#1 in 100 Ah classFull review
A tested, self-heating 100Ah battery with app monitoring, for RVs and solar setups that see winter charging. Priced well below most heated batteries.
Amazon $279.98$279.98
4.0/5
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.
- 100 Ah (1,280 Wh)Capacity
- 100 AContinuous output
- Self-heatingCold charging
- 5 yearsWarranty
- $0.22Price / Wh
Check price at Amazon$284.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Built-in heater lets it charge in freezing weather
- Independent test measured about 5% more capacity than rated
- Costs only about $20 more than the unheated Power Queen
Cons
- No Bluetooth, so monitoring needs a separate shunt
- Few published specs (cycle life, terminals, charge current)
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Independent capacity tests
Capacity measured by independent reviewers, discharging from full to the BMS cutoff. Discharge current and temperature differ between tests, so compare figures within one source.
| 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. |
Specifications
| Model number | 12V 100Ah Self-Heating |
|---|---|
| Capacity | |
| Rated capacity | 100 Ah (1,280 Wh) |
| Tested capacity | 105% of rated |
| Nominal voltage | 12.8 V |
| Chemistry | LiFePO4 |
| Price per Wh | $0.22 |
| BMS | |
| Continuous discharge | 100 A |
| Low-temperature charging | Self-heating |
| Build | |
| Case size | Group 31 |
| Dimensions | 12.99 x 6.77 x 8.5 in |
| Weight | 23.3 lb |
| Warranty | 5 years |
Alternatives in this size
LiTime 12V 100Ah Group 31
#3 in 100 Ah classFull review
A good-value Group 31 drop-in for boats and RVs used in mild climates. Independent testing shows it delivers more than its rated 100Ah.
Amazon $335.99$335.99
Dyness 12V 100Ah Bluetooth
#4 in 100 Ah classFull review
A cheap, IP65 Bluetooth 100Ah battery for RV, solar and marine use, from one of the larger storage-battery makers. Cold-climate users need a heated model instead.
Amazon $179.98$179.98
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