Koolatron Mini Fridge
- Compact Refrigerator
- 0.2 cu ft
- 0.2 cu ft
- 0.2 cu ft
- More reviewed than 81%
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How it ranks among the 86 compact refrigerators we track
4.2★ across 506 Amazon ratings, Bayesian-smoothed toward the category average.
506 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 86 compact refrigerators we track - how the scorecard works · full compact refrigerators data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 15, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Koolatron COSM6 is a 6-liter thermoelectric mini fridge built into a mirrored cabinet with a dimmable LED ring light, sized for a bathroom counter or vanity rather than a kitchen. It suits skincare and cosmetics storage as much as chilled drinks.
Rather than a plain beverage cooler, this model doubles as a lit vanity mirror, cooling to about 32°F below room temperature using thermoelectric technology instead of a compressor. Reviewers who bought it for skincare and makeup storage are largely satisfied with the size and lighting, though reliability complaints appear after roughly a year of daily use, and at least one unit arrived with a door seal that wouldn't stay shut.
- 6L capacity, thermoelectric cooling
- Dimmable LED ring light, touch control
- Dual 110V and 12V power
- Flip-up carry handle, self-locking door
Who it's for
Suits someone storing skincare, cosmetics or a few drinks on a bathroom counter or vanity who also wants a lit mirror. Not for anyone needing dependable food-safe refrigeration or a heavy daily cooling load.
What buyers say
From Amazon customer reviews.
Buyers who use it for skincare and cosmetics say it fits well on a bathroom counter and keeps products organized and cool, and it's a repeat gift item in several reviews. One owner's unit stopped working after about 14 months and was told the internal components were poor quality, and another needed a replacement because the door wouldn't seal shut; a couple of others mention occasional water leaks.
Strengths and trade-offs
Drawn from this product's published specifications.
- LED-lit mirror doubles as makeup light
- Runs on both 110V household and 12V car power
- Flip-up handle for travel
- Quiet thermoelectric cooling
- One reviewer's unit failed after about 14 months
- Door seal didn't stay closed for one buyer
- Occasional water leaking reported
Performance notes
Thermoelectric cooling has no compressor, so it runs quietly and cools to roughly 32°F below ambient temperature rather than to a fixed target, which suits skincare products more than food needing consistent refrigeration. The mirrored door has a dimmable LED ring light with touch control and a self-locking latch, and it runs on either a 110V outlet or a 12V car adapter.
Specifications
| Brand | Koolatron |
|---|---|
| Model | COSM6 |
| Dimensions & fit | |
| Item Weight | 5.3 pounds |
| Size | 0.2 cu ft |
| Item Dimensions D x W x H | 10.2 × 7.6 × 11.2 inches |
| Door Orientation | Right |
| Capacity & performance | |
| Capacity | 0.2 cu ft |
| Refrigerator Net Capacity | 0.2 cu ft |
| Fresh Food Capacity | 0.2 cu ft |
| Defrost System Type | Manual |
| Adjustable Temperature Control | Yes |
| Cooling Method | Thermoelectric |
| Power & efficiency | |
| Power Source | Corded electric, DC |
| Power Plug Type | Type A - 2 pin (North American), Type B - 3 pin (North American), Type C |
| Voltage | 220 volts |
| Annual Energy Consumption | 235 Kilowatt Hours |
| Construction & materials | |
| Door Material Type | Plastic |
| Shelf Type | removable shelf |
| Number Of Shelves | 1 |
| Door Shelf Count | 1 |
| Color | White |
| Finish Types | Glossy |
| Compatibility & installation | |
| Installation Type | Freestanding |
| Smart Home Compatibility | Not Smart Home Compatible |
| Included components | |
| Unit Count | 1 |
| Included Components | removable shelf; 12V DC power cord; 110V AC power cord |
| Warranty & support | |
| Warranty Description | 90 days |
| Other details | |
| Lock Type | Electronic |
| Number of Doors | 1 |
| Number of Sections | 2 |
| Number Of Racks | 1 |
| Is Electric | Yes |
| Has Convertible Freezer | No |
| Specification Met | ETL |
| Additional Features | Portable |
| BEE Star Rating | Not Rated |
| Configuration | Mini Fridge |
| Form Factor | Compact |
| Pattern | Solid |
| Item Type Name | Cosmetics Fridge w/ Lighted Makeup Mirror, 6L Portable Skincare Refrigerator w/ LED Ring Light, 12 Volt DC and 110 Volt AC Cords, Beauty Serum, Face Mask, Home, Travel, Hotel, Dorm, Office |
Other Koolatron compact refrigerators
How it compares
This product against the closest alternatives we track in compact refrigerators.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Koolatron Mini FridgeThis product | 4.2 / 5 | 506 | 3.9 / 5 |
| Chefman - Iceman Mini Portable Black Personal Fridge Cools Or Heats and Provides Compact…Chefman | 4.2 / 5 | 16,000 | 4.4 / 5 |
| Iceman Mini Portable Board Personal FridgeIceman | 4.1 / 5 | 5,100 | 4.2 / 5 |
| Galanz GLR46TRDER Retro Compact Refrigerator with Freezer Mini Fridge with Dual DoorGalanz | 4.5 / 5 | 513 | 4.3 / 5 |
| Nostalgia RF6RRAQ Retro 6-Can Personal Cooling And Heating Mini Refrigerator With Display…Nostalgia | 4.2 / 5 | 2,200 | 4.2 / 5 |
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Questions about the Koolatron COSM6
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What can the Koolatron COSM6 hold?
It has a 6-liter interior sized for skincare products, cosmetics, or a handful of standard cans.
Does it plug into a car outlet?
Yes, it runs on either a standard 110V household outlet or a 12V car adapter.
Is the mirror lit?
Yes, it has a dimmable LED ring light around the mirrored door with touch control for adjusting brightness.