
Specifications
When you buy through links on our site, we may earn an affiliate commission. This does not impact our reviews and comparisons.
Free, confirm-first email when the price drops on Koolatron 12v Portable Freezer/Refrigerator With Bluetooth 42 Qt (40l) (best partner price today: $695.99).
The Koolatron SK40 is a portable refrigerator freezer with a 42-quart (40-liter) capacity and a gray plastic finish. It uses compressor cooling technology and can maintain temperatures ranging from -8°F to 50°F (-22°C to 10°C). The unit includes Bluetooth connectivity and comes with both 12-volt DC and 110V AC power cords for operation.
This appliance is designed for travel use, particularly in automotive applications where it can run off a vehicle's 12-volt power system or standard household AC power. The temperature range allows it to function as either a refrigerator or freezer depending on settings. Given its portable nature and dual power capability, it suits RV trips, camping, long road trips, or as a supplemental cooling unit. Before purchasing, verify that the 42-quart capacity and power requirements meet your specific needs and available space.
The Internet’s Verdict
How We Score It
Gathering the reviews
We continuously collect owner reviews and public discussions from major retailers and community forums, de-duplicate them, and set aside anything we can’t tie to a verified purchase.
Calculating the average
Averaged across every source we found (Amazon, AJ Madison, and other retailers). Each source counts in proportion to how many ratings it has, so a store with thousands of reviews moves the number more than one with only a handful.
✓ Updated regularly · No manufacturer input
Fit & facts
Sources reviewed
Research done. Wayfair has the best price today — $695.99
View DealSpecifications
Side-by-Side
How this wine cooler stacks up against close alternatives on Fridge.com.
| Spec | ![]() Koolatron 12V Portable Refrigerator Freezer w/Bluetooth, 42 qt (40L) Electric Cooler, 12 Volt DC/110V AC Cords, Compressor Cooling w/Range -8°F to 50°F (-22°C to 10°C), Travel Car Fridge, Gray Koolatron · SK40 | ![]() BODEGA | ![]() Kalamera | ![]() EdgeStar · CWF440SZ |
|---|---|---|---|---|
| Price | $695.99 | $799.99 | $669.99 | $549 |
| Width | — | 23.4 | 23.4 | 19.37 |
| Height | — | 33 | 33 | 32.87 |
| Depth | — | 22.4 | 22.4 | 24.87 |
| Finish | Gray | — | — | — |
| Top features |
| — | — |
|
| Where to buy | View Deal | View Deal | View Deal | View Deal |
Watch First
Sourced and aggregated by Fridge.com.
Documentation
Official manufacturer documents for this model — owner's manuals, spec sheets, installation guides, and warranty terms.
Manufacturer documents archived by Fridge.com so links keep working when manufacturer URLs change.
Brand Background
Koolatron has carved out a distinctive niche in the refrigeration market since its founding in 1983 in Brantford, Ontario, Canada. Originally known for pioneering portable thermoelectric coolers, the brand has expanded its focus considerably, and Fridge.com currently tracks 45 active products across the Koolatron lineup. The catalog reveals a strong emphasis on freezer solutions, with 17 chest freezers and 16 upright freezers representing the bulk of available models. This freezer-heavy portfolio positions Koolatron as a practical choice for consumers seeking supplemental frozen storage without premium pricing. Beyond freezers, the brand offers wine coolers, beverage centers, compact refrigerators, and standalone ice makers, reflecting its roots in specialized cooling for travel, recreation, and space-constrained environments. As a value-tier manufacturer, Koolatron appeals to budget-conscious shoppers who need reliable secondary cooling appliances rather than primary kitchen refrigerators. The brand maintains an average rating of 4.1 out of 5 points across its product range, suggesting generally positive consumer reception. For those exploring affordable freezer options or compact cooling solutions, Koolatron remains a relevant contender worth considering.