US
Koolatron

Diet Coke Mini Fridge

  • Beverage Refrigerator
  • 0.1 cu ft
  • 0.1 cu ft
  • 0.1 cu ft
4.4/ 5 on Amazon194Amazon ratings3.9ProductDome score
  • More reviewed than 73%
Medium confidenceLast refreshed Jun 12, 2026Amazon data + ProductDome analysis · methodology
Best forYou want a small branded cooler for a desk, dorm, or car and value the novelty design

A fun, functional small cooler for a six pack that works as intended out of the box, but treat its lifespan as limited rather than counting on years of daily service.

View current price on Amazon →

As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.

ProductDome scorecard

How it ranks among the 50 beverage refrigerators we track

3.9/ 5ProductDome scoreMedium confidence
Owner satisfaction · 63% of scorecategory median 4.3★4.4

4.4★ across 194 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 19% of scorecategory median 68 ratings2.9

194 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Data quality · 13% of score3.8

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 50 beverage refrigerators we track - how the scorecard works · full beverage refrigerators data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 12, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

The Koolatron KRT04P_UK is a 6 can capacity mini fridge branded with the Diet Coke logo, using thermoelectric technology that can cool up to 32 degrees below ambient or switch to warming mode. It runs on either included AC or DC power cords for use at a desk, in a dorm, or in a car.

This is a novelty branded cooler more than a serious refrigerator, and reviewers treat it that way, buying it mainly as a gift or a small personal cooler rather than daily food storage. It does its narrow job of chilling a six pack, but a repeated theme in the reviews is that units stop working reliably after roughly a year and a half of daily use, which matters if you plan on it lasting.

  • 6 can capacity thermoelectric mini fridge
  • Cools up to 32 degrees F below ambient or warms up to 135 degrees F
  • Dual AC and DC power cords included
  • Removable interior shelf

What buyers say

From Amazon customer reviews.

Buyers mostly use this as a gift or personal desk and dorm cooler, and report that it genuinely chills drinks cold rather than just cool. The main complaint pattern is limited lifespan, with more than one reviewer describing the unit failing or the switch getting stuck around a year and a half of use, plus at least one report of a unit arriving with cosmetic damage.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Chills drinks genuinely cold
  • Runs on AC or DC power
  • Compact size fits dorms, offices, and cars
What to check first
  • Multiple reports of failure around 18 months
  • One unit arrived with a broken drink holder
  • Peeling label finish reported on some units

Specifications

BrandKoolatron
ModelKRT04P_UK
Dimensions & fit
Item Weight4.17 pounds
Item Dimensions D x W x H10 × 7 × 10 inches
Door OrientationRight
Capacity & performance
Refrigerator Net Capacity0.1 cu ft
Capacity0.1 cu ft
Fresh Food Capacity0.1 cu ft
Defrost System TypeAutomatic
Adjustable Temperature ControlYes
Cooling MethodThermoelectric
Power & efficiency
Power SourceDC
Voltage220 volts
Construction & materials
Shelf Typeremovable shelf
Door Material TypePlastic
Number Of Shelves2
Door Shelf Count1
ColorGray
Finish TypesGlossy
Compatibility & installation
Installation TypeCountertop
Included components
Unit Count1
Included Components12V DC Power Plug, 110V AC Power Plug, 1 Shelf
Other details
Compressor TypeThermoelectric
Number of Doors1
Number Of Racks2
Number of Sections2
Has Convertible FreezerNo
Is Product CordlessNo
Is CustomizableNo
Is ElectricYes
Additional FeaturesPortable
BEE Star RatingNot Rated
ConfigurationFreezerless
RefrigerantR600a or R290
Form FactorCompact
PatternSolid
Specification MetETL
Item Type NameDC04_az

How it compares

This product against the closest alternatives we track in beverage refrigerators.

ProductAmazon ratingRatingsProductDome score
Diet Coke Mini FridgeThis product4.4 / 51943.9 / 5
Whynter WC-201TD/WC-201TDa 20 Bottle Freestanding Thermoelectric Wine Cooler with Mirror…Whynter4.5 / 53744.2 / 5
hOmeLabs Beverage Refrigerator and CoolerhOmeLabs4.5 / 56,8874.1 / 5
CURTIS MIS169DRP DR. Pepper 50 Can Beverage CoolerCurtis4.3 / 51754.0 / 5
ROVSUN 17 Bottles & 61 Cans Wine and Beverage RefrigeratorROVSUN4.3 / 56854.0 / 5
Frequently asked

Questions about the Koolatron KRT04P_UK

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Does the Koolatron mini fridge work in a car?

Yes, it includes a DC power cord for car use in addition to the AC cord.

How many cans does it hold?

It is rated for a 6 can capacity.

Can it warm as well as cool?

Yes, its thermoelectric system can switch to a warming mode up to about 135 degrees Fahrenheit.