A dual-zone fridge that can take a battery, priced between BougeRV’s basic lines and the premium brands.
Amazon $599.99 BougeRV $619.99The BougeRV Rocky V3.0 81QT is the better 12V fridge overall, rated 3.7 to 3.5. The BougeRV Rocky V3.0 81QT leads on value and portability. The Dometic CFX5 75DZ wins on warranty. The BougeRV Rocky V3.0 81QT costs $750 less ($599.99 vs $1,349.99).
For overlanders and RV owners who want the established name and a full-unit warranty, and will pay several times the price per liter of value brands for it.
Amazon $1,349.99 Dometic $1,349.99Prices were last checked October 21, 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 BougeRV Rocky V3.0 81QT for value ($7.79 per liter vs $18.00 per liter) and portability (0.69 lb per liter vs 0.79 lb per liter).
- Choose the Dometic CFX5 75DZ for warranty (3-year unit vs 2-year unit).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large 12V fridge; a clear win is highlighted. How we rank explains each one.
| Factor weight | BougeRV Rocky V3.0 81QT | Dometic CFX5 75DZ |
|---|---|---|
| Overall rating | 3.7/5 | 3.5/5 |
| Value 35% | 86 $7.79 per liter | 35 $18.00 per liter |
| Efficiency 20% | 50 no daily energy figure published (neutral score used) | 100 about 183 Wh a day (2.4 Wh per liter), measured by kuehlboxtests.de |
| Warranty 20% | 25 2-year unit | 50 3-year unit |
| Build 15% | 50 compressor maker not stated (neutral score used) | 50 compressor maker not stated (neutral score used) |
| Portability 10% | 91 0.69 lb per liter | 81 0.79 lb per liter |
Independent tests
BougeRV Rocky V3.0 81QT
No independent test published yet.
Dometic CFX5 75DZ
| Tested by | Average draw | Energy over 24 h | Coldest reached | Display error | Conditions |
|---|---|---|---|---|---|
| kuehlboxtests.de | - | 183 Wh | - | - | Energy while holding about 38 °F in the large zone; room temperature not stated. Single-author site with affiliate ties. |
Specifications
| BougeRV Rocky V3.0 81QT | Dometic CFX5 75DZ | |
|---|---|---|
| Capacity | ||
| Capacity | 77 L (81 qt) | 75 L (79 qt) |
| Zones | Dual zone | Dual zone |
| Temperature range | −4 to 68 °F | −8 to 68 °F |
| Price per liter | $7.79 | $18.00 |
| Power | ||
| Energy use | - | 183 Wh a day (measured by kuehlboxtests.de) |
| Energy per liter | - | 2.4 Wh |
| Rated input | 80 W | 61 W |
| Running draw, eco mode | 64 W | - |
| Battery | Optional (sold separately), 240 Wh | None |
| AC adapter included | Yes | Yes |
| Build | ||
| Weight (empty) | 24.1 kg | 59.6 lb |
| Noise (maker) | 45 dB | - |
| App control | Yes | Yes |
| Warranty | 2 yr | 3 yr |
