The complete guide
A Practical Guide to Choosing a 4L Mini Fridge
A cold drink is not always close when you are working, studying or spending time away from the kitchen. A full-size fridge may be more than you need, while a shared one can be inconvenient for just a few cans.
The KRT04 offers a smaller option. This 4L mini fridge is built around personal storage, with space listed for six standard soft drink cans. It has a removable shelf and power cords for compatible household and vehicle connections.
The key is to choose it for the right job. A compact thermoelectric cooler behaves differently from a kitchen fridge. Understanding that difference will help you decide whether it fits your routine.
Start with what you want to store
Before choosing a small space cooler, picture the items you will actually put inside. A few standard cans are a different storage task from tall bottles, lunch containers or several skincare jars.
The listed 4L capacity gives a useful starting point, but litres alone do not tell you which containers will fit. Their shape matters. So does the room taken up by the shelf and door storage.
This model is listed to hold six standard soft drink cans. Treat that as a guide for that container type, not a promise that any six drinks will fit. Internal dimensions are not given by the maker.
If your goal is to keep a modest selection nearby, a personal drinks fridge is worth considering. If you need to store groceries or several meals, look at a larger appliance with suitable temperature control instead.
Understand cooling below room temperature
The KRT04 uses thermoelectric cooling. The maker describes performance of up to 18°C below the surrounding room temperature.
That is a temperature difference, not a fixed setting. For example, subtracting 18°C from a 30°C room gives 12°C. This illustrates the claim only, rather than guaranteeing a particular result in your room.
The distinction matters because a warmer location can mean warmer contents. The model has no adjustable temperature control, and the maker's description does not give a guaranteed internal temperature range.
Think of it as a compact beverage cooler rather than a substitute for controlled refrigeration. For food or other items with strict storage needs, the required temperature should guide your choice of appliance.
Decide whether 4L is enough
A small compartment encourages you to keep only what you need close at hand. That can work well at a desk where the aim is a few drinks, not a week's supply.
The removable shelf gives some choice over the layout. Leave it in when separating smaller items is useful, or remove it when the shape of your contents calls for more open space.
Removing a shelf does not change the total capacity. It also does not guarantee that a particular bottle will fit. If you have one container in mind, ask for usable internal measurements before ordering.
There is also one listed door shelf. Its size and weight allowance are not given, so do not plan your whole storage setup around that space without checking further.
Measure the space before buying
Countertop appliances need more planning than their small size might suggest. Measure the surface where you intend to place the fridge, then consider the door opening and access to power.
There is an important measurement conflict in the maker's description. The product details list 17.3 cm deep, 24 cm wide and 25.4 cm high. The reference description instead gives 17.27 cm by 17.78 cm by 25.4 cm.
Those figures should not be treated as interchangeable. If you are fitting the unit into a narrow space, confirm the measurements first. Do not rely on the smaller number just because it suits your plan.
Allow for ventilation according to the supplied manual. Exact clearance distances are not given by the maker, so avoid planning a snug enclosure before you have those instructions.
Check the power connection for each location
The included components list a 12V DC power cord and a 220V AC power cord. A Type I Australian three-pin plug is also specified.
These options make the AC DC mini fridge worth considering for different settings, but the connection still needs to match the location. Do not assume a cord supplied for one market will connect safely everywhere.
For household use, check the appliance rating and local electrical supply. If you are shopping from another country, confirm compatibility before purchase rather than treating a plug adapter as a complete solution.
For use as a 12V travel cooler, follow both the appliance instructions and the vehicle's guidance. Consider where the cooler will sit, how it will be secured and whether the socket remains powered when the vehicle is off.
Think about portability in practical terms
The listed weight is 1.89 kg, and the reference description identifies an inset carry handle. These features help when moving the cooler between suitable places.
Remember that the weight increases once drinks or other items are inside. Portability also depends on your route, the available power and how you will secure the appliance during travel.
A carry handle is not a reason to move it while connected. Disconnect it safely before relocating it, and follow the instructions for transport and use.
For some buyers, portability means moving an office mini fridge between rooms occasionally. For others, it means regular vehicle trips. Consider your actual pattern rather than buying on the word “portable” alone.
Match the cooler to the items inside
Drinks are the most straightforward use described by the capacity claim. Other uses require a little more care.
For skincare, read the storage instructions on each product. Some products may allow cool storage, while others have different needs. A skincare cooler should suit the formula, not just the appearance of the jar.
The maker does not establish medical-grade storage or a controlled temperature range.
The same caution applies to perishable food. A maker field labelled fresh food capacity does not prove that the unit will hold a safe temperature in your chosen location. Select storage based on the food's requirements.
Look beyond the retro appearance
The glossy black finish, chrome accents and retro shape are part of this model's appeal. A retro mini fridge can be a more visible part of a room than a plain storage box.
Still, appearance should come after fit and function. Confirm the storage capacity, power supply and cooling limits before deciding whether the style works beside your desk or on a countertop.
The product details specify a plastic shelf, but they do not identify the overall cabinet material. They also do not give a noise rating. Avoid assuming a particular build or sound level from product photos or the cooling method alone.
If you are choosing a gift, those checks matter even more. Ask about the recipient's space and intended use so the appliance is useful as well as attractive.
Keep care simple and regular
Disconnect the cooler before cleaning. Use a soft damp cloth for accessible interior surfaces and clean the removable shelf separately as appropriate, then dry everything before use.
Keep water away from electrical parts and connections. Do not immerse the appliance, and follow the supplied instructions if a spill reaches an area you cannot safely clean.
The defrost system is listed as manual. If frost develops, use the method in the manual rather than scraping with a sharp tool. Check the ventilation openings as part of routine care and keep them clear.
A tidy storage layout helps you see spills and remove items that no longer belong inside. Avoid forcing containers into a space where they stop the door from closing properly.
Check the details that are still unknown
Some maker fields conflict. The configuration says freezerless, while another field assigns a freezer capacity. The safer reading is that this is a cooler, not a confirmed freezer.
The reference text also mentions warming, but gives no temperature range or instructions. If warming is important to you, confirm that feature in the manual before ordering.
Annual energy use is listed as 349 kWh, without supporting test conditions or running wattage. Ask for more information if electricity cost is a major part of your decision.
The short version
Choose this countertop mini fridge if you want a small personal cooler with a removable shelf, a carry handle and supplied AC and DC cords.
Its limits are just as important as its features. Cooling depends on room temperature, there is no adjustable temperature control, and the maker measurements need confirmation.
Check those points against your space and intended contents. If they match, the KRT04 offers a compact way to keep a few suitable items nearby without making room for a larger fridge.