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Best USB Mini Fridges

best USB mini fridge
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Our lives have become a lot easier as technology is being advanced.

Tech gadgets play a vital role in every person’s life, they make lives less hectic.

One of these fascinating inventions is the USB mini fridge.

Now you can say goodbye to warm drinks in summer as long as you have a USB outlet near you.

These mini fridges operate the same way as the normal fridges, just smaller in size and capacity.

These mini USB fridges ensure portability so that you can enjoy your drinks or food in your comfort zone whether that is your bed or the living room couch.

Here is a guide for you to get yourself one cool  Best USB mini fridge.

If you are in hurry, here is our top pick for you:

Cooluli Mini Fridge

What is a USB Mini Fridge?

A USB mini fridge is a smaller version of the conventional fridges that keep your drinks cool the same way.

It is very useful when you want to do minimal movement and tours between your room and the fridge in the kitchen.

You can use the USB mini fridge to keep your drinks and food fresh on your bed or even on your office desk.

They function on the USB outlets that are easily connected with your computers and laptops, even the car outlets.

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How Does USB Mini Fridge Work?

USB fridges work on the phenomenon of thermoelectric cooling, in which a material is used of a specific composition which is energized, one side gets cool.

As stated above this material can become cold on one side, but the other side gets hot.

In that case, a transfer of heat must be done from the warmer side only then will you be able to achieve the cooling temperature you want.

That’s why these systems have a fan on the hot side to cool the hot side.

This fan is powered through the cord with the USB head.

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What to Look for Before Buying  USB Mini Fridge?

Storage capacity

The main thing for your USB mini fridge to have is storage.

Your mini fridge should have enough storage to keep 1 bottle of beer in it or two soda cans placed on top of each other.

This is the ideal height of any drink that is used widely.

Most mini USB fridges can only hold 1 can at a time, which is less efficient than a fridge that can cool 2 cans at the same time.


Many mini fridges have their main feature as portability, but many are less than others because of their design and weight.

A USB mini fridge that is lighter should always be preferred as they are easier to carry around when you are going out or traveling.

Powerful cooling system and fan

When it comes to mini USB fridges, cooling is also an issue. Some USB fridges don’t do efficient or effective cooling of your drink as they are less powerful.

You should choose a mini-fridge that has a powerful cooling system and fan.

This can help in easy cooling even in a warm atmosphere. You can judge this by the temperature variation declared on the mini fridge or by checking it out by placing a drink in it for some time.

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Where to Buy USB Mini Fridge?

You can buy a USB mini-fridge in your nearest local appliance store.

But you can buy it on online websites like Amazon at a more economical price.

You can choose from a wide variety of mini-fridges by comparing prices online.

You can buy a USB mini fridge online website with just sitting at home with comfort.

Best USB Mini Fridge

Cooluli Mini Fridge Electric Cooler and Warmer (4 Liter / 6 Can): AC/DC Portable

Cooluli Mini Fridge Electric Cooler and Warmer (4 Liter / 6 Can): AC/DC Portable Thermoelectric System w/ Exclusive On the Go USB Power Bank Option (White)

This Cooluli Mini Fridge comes to your service with dual modes, it can work as a cooler but as well as a warmer.

The size of this fridge is ideal and can hold up to six 12 oz cans, perfect for use at home or office.

When it comes to power, it works on 110 V (AC) typically used indoors to a 12 V (DC) in a Car.

It also contains a 2 ampere Power bank and a USB cord to enhance portability.

On the outside the design is sleek with beautiful finishes, it can be placed anywhere from your bedroom to the office desk.

A magnetic lock keeps the stuff inside from spilling out and a top handles present to make it easier to move the fridge.

The temperature ranges for cooling are 40ºF to 45ºF and warming 122ºF to 144ºF.

Click Here for Latest Reviews and Price of Cooluli Mini Fridge Electric Cooler and Warmer


  • Highly portable
  • Efficient cooling up to 5 hours
  • Eco friendly
  • Works perfect for refrigerated medicine


  • Becomes watery inside
  • The fan becomes a little noisy after constant use

AstroAI Mini Fridge 4 Liter/6 Can Portable AC/DC Powered Thermoelectric System Cooler and WarmerAstroAI Mini Fridge 4 Liter/6 Can Portable AC/DC Powered Thermoelectric System Cooler and Warmer for Cars, Homes, Offices, and Dorms, Blue

AstroAl’s Mini Fridge also comes with a temperature switch which means you can cool or warm your drinks.

This fridge can store up to six 12 oz cans with ease, there is a removable shelf also present to store other small items if required.

This fridge allows you to cool your drinks up to 32 F and warm up to 150 F.

The temperature can variate 86°F (30°C) -64°F (18°C) within an hour, 86°F (30°C) -50°F (10°C) within 2 hours, 86°F (30°C)-37°F( 3°C) within 3 hours.

Due to its Eco-friendly technology, the sound is very less keeping your place noise-free.

The input plugs include both the indoor and car outlet supported.

Click Here for Latest Reviews and Price of AstroAl’s Mini Fridge


  • Cools drinks under 2 hours
  • It is lightweight
  • Spacious enough for 4 water bottles


  • Makes a light humming sound

Check out here for quiet mini fridge for bedroom.


Cooluli Concord Blue 20 Liter Compact Cooler Warmer Mini Fridge

Cooluli Concord Blue 20 Liter Compact Cooler Warmer Mini Fridge for Bedroom, Office, Car, Dorm - Portable Makeup Skincare Fridge with Digital Temperature Control

This Cooluli Concord Blue Mini Fridge is relatively bigger than the others.

It gives you a 20 liters capacity. The outside is a smooth and catchy body.

A digital display is installed on the front for easy understanding, it shows the temperature and other options to control it.

On the side, handles are installed for ease of carrying it around. The temperature can switch from warm to cool in one switch, it can cool down to 16ºF and warm up to 149ºF, this is achieved due to its dual-core design.

This large fridge is Eco-friendly because of its advanced semiconductor operation.

Click Here for Latest Reviews and Price of Cooluli Concord Blue 20 Liter Compact Cooler Warmer Mini Fridge


  • It is very spacious
  • Effective cooling due to a dual fan system
  • Very less noise


  • Heavy
  • Not easy to move around
  • Requires more space

Gourmia GMF600 Thermoelectric Mini Fridge Cooler and Warmer

Gourmia GMF600 Thermoelectric Mini Fridge Cooler and Warmer - 4 Liter/ 6 Can - For Home,Office, Car, Dorm or Boat - Compact & Portable - AC & DC Power Cords - White

This Gourmia GMF600 Mini Fridge is a good unit for people who eat at their desks room or on the go.

This fridge holds up to 6 cans with ease due to its 4-liter capacity.

It works without any usage of liquid refrigerants, noisy machines, etc.

The temperature variations are also appreciable, the cooling can be done up to 32ºF and warming can be done up to 150ºF. This is achieved by its Eco-friendly semiconductor installed to provide maximum efficiency.

Click Here for Latest Reviews and Price of Gourmia GMF600 Mini Fridge 


  • Cooling within 30 minutes
  • Easy to carry around
  • Highly convenient for storing breast milk for working moms


  • Fan noise
  • Not suitable for medication

ThreeH New Mini USB Fridge Cooler Beverage Drink Cans Cooler/Warmer Refrigerator

ThreeH New Mini Red USB Fridge Cooler Beverage Drink Cans Cooler/Warmer Refrigerator for Laptop PC Computer Black H-UF05Black

This ThreeH New Mini USB Fridge is a relatively small mini-fridge as compared to others.

It can hold only one can or a bottle at a single time, which makes it faster than others.

The functionality of dual temperatures is also present, it can cool a drink up to 8 or 9C or warm it up at around 40-65C.

The power input required for it to run is 5V (DC).

Its body is made out of plastic so it is very easy to carry around as it weighs very less.

Click Here for Latest Reviews and Price of ThreeH New Mini USB Fridge


  • Very easy to carry around
  • Lightweight
  • Perfect size for drink can


  • Cooling takes time
  • Becomes watery

Which One to Choose?

It is a tough competition to choose a winner from, but Cooluli Mini Fridge takes a slight lead than others.

This mini fridge contains everything you need to look for in a mini fridge.

The ideal capacity is present in which you can store the stuff you want.

It is more efficient and powerful so it does the work of cooling and warming relatively fast.

Apart from that it is also very easily portable because of its handle on top and can be used anywhere.

So it is an ideal USB mini fridge you require.


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