Koolatron COSM6 Portable Mini Fridge 8 Can
- 6 liter capacity, one removable shelf and one door shelf
- Thermoelectric cooling, no compressor
- 12V DC and 110V AC cords in the box
- Adjustable temperature control, manual defrost
- 10.25 x 7.62 x 11.25 inches, 5.3 pounds
- 90 day parts and labour warranty
Last refreshed Jun 15, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A small thermoelectric cooler for a desk, nightstand or car seat, with both power cords included. Capacity covers a few beverages, not a week of groceries.
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ASIN: B08P23XXCNModel: COSM6Category: Compact Refrigerators
Overview
Not a compressor refrigerator, this Koolatron is a small thermoelectric unit that plugs into a wall outlet or a car power cord. A single door opens onto a removable shelf, and the listing also describes a lighted mirror and ring light.
Moving between a bedroom, an office and a car is the reason to choose a unit this size, and both power cords come in the box. Thermoelectric cooling is quiet but limited, and the voltage rating in the listing is inconsistent with the cords that are included.
Who it's for
Desks, bedside tables, hotel rooms and car trips suit a unit that runs from either a wall outlet or a vehicle. Anyone who needs to store a week of food or freeze items should buy a compressor refrigerator.
Pros and cons
- Runs from wall or car power
- Both power cords included
- Removable shelf plus door shelf
- Adjustable temperature control
- Voltage rating listed inconsistently
- Manual defrost only
- No freezer compartment
- Small capacity for groceries
Performance notes
Thermoelectric cooling moves heat across a plate rather than compressing refrigerant, so the unit is quiet but cools only a modest amount below the room. Warm rooms and full loads slow it down. Opening the door often lets cold air escape, and moisture builds up until a manual defrost.
Specifications
| Brand | Koolatron |
|---|---|
| Model | COSM6 |
| Dimensions & fit | |
| Door Orientation | Right |
| Product Dimensions | 10.25 x 7.62 x 11.25 inches (D x W x H) |
| Item weight | 5.3 pounds |
| Capacity & performance | |
| Capacity | 6 literslower than 79% of 85 compact refrigerators |
| Cooling Method | Thermoelectric |
| Adjustable Temperature Control | Yes |
| Defrost System Type | Manual |
| Power & efficiency | |
| Power Source | AC/DC |
| Annual Energy Consumption | 235 kilowatt hours |
| Construction & materials | |
| Number Of Shelves | 1 removable shelf |
| Door Shelf Count | 1 |
| Compatibility & installation | |
| Installation Type | Freestanding |
| Warranty & support | |
| Warranty Description | 90 days parts and labour |
| Other details | |
| Configuration | Mini fridge |
| Has Convertible Freezer | No |
Closest rivals on specs
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DEMULLER Retro Dual Door Mini Fridge 2.4 cu ft- Refrigerator Net Capacity 0.2 vs 1.6 cu ft (-87%)
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Frequently asked questions
What is included with the Koolatron COSM6 mini fridge?
The listing names a removable shelf, a 12V DC power cord and a 110V AC power cord.
Is the Koolatron COSM6 a freezer?
No. It has no convertible freezer and uses thermoelectric cooling, so it chills but does not freeze.
Can the COSM6 run in a car?
Yes. The package includes a 12V DC cord for vehicle use and a 110V AC cord for a wall outlet.
How many cans does the Koolatron COSM6 hold?
The title calls it an 8 can fridge, while the capacity spec is 6 liters. Check the interior against your own cans.