The Best Thermoelectric Coolers Reviews with some Golden Tips

A thermoelectric cooler is a very beneficial device when you are out for a picnic, hiking, or traveling on your RV or boat. The hassle of filling the coolers with ice every time you go somewhere is annoying, thermoelectric coolers free you from such problems and let you enjoy more.

In this review, we are going to discuss 6 best thermoelectric coolers along with a buying guide to help you make a wise decision.

Best 6 Thermoelectric Coolers

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

Cooluli electric cooler

At the top of the list, we have the most famous thermoelectric cooler from Cooluli. It has the maximum capacity of 4 liters or six 12 oz. cans. The storage shelve can be removed, and you can store four 16 oz. bottles.  It is ideal to be used for individual purposes, traveling, or office. You can power it through your car cigarette adapter. It draws so little power that you can even charge it with a 2A power bank. The good thing is that all the adapters and cables are included with the cooler. Please don’t connect it with your computer or laptop as they do not generate enough power. When it is powered through USB, the cooler operates only on the ECO mode, making it power saving. It comes in a sleek design and occupies very little space. The best thing about this cooler is the portability. It comes with a carry handle. The warmer function keeps your lunch warm and fresh. The cooler and warmer are 100% Freon free. The door comes with a magnetic lock for automatic closing, and it helps in conserving energy. The cooling capacity is 40°F-45°F below ambient temperature, and the warming capacity is 122°F-144°F. The temperature range is perfect for enjoying cold beverages and a hot meal. It takes 30 minutes to go from cold mode to warm mode.

Our Opinion and Verdict:

It is an excellent, top of the line cooler for all your needs. Its working is smooth, soundless, and effective.

2. AstroAI Mini Fridge 4 Liter/6 Can AC/DC Portable Thermoelectric Cooler and Warmer for Skincare

AstroAI electric cooler

In the second place, we have AstroAI thermoelectric cooler with a 3-year warranty on all parts and labor. It comes with cooling and warming functions with the lowest temperature of 32°F (0°C) and the highest of 150°F (66°C). This temperature range is even broader than the cooler listed above. If you are a fan of freezing beverages, then it can be your best friend for a very long time. It has a capacity of 4 liters, or you can store six 12 oz. cans. The shelf inside enables you to keep smaller bottles as well, and you can adjust large bottles by removing it. It comes with two plugs for regular outlets and car connection (cables not included). It produces a negligible sound of just 25dB; you won’t even notice that it is running.  The handle at the top of the cooler makes it easy to carry while you walk towards your office.

Our Opinion and Verdict:

The warranty and soundless working make it one of the best thermoelectric coolers available in the market. Buy it once and enjoy cold beverages and hot lunches for a very long time.

3. Igloo Iceless Thermoelectric Cooler

Igloo electric cooler

Next up is the very famous and trending model from Igloo; it is big and can adjust 32 cans of 12 oz. size. Overall, it has a capacity of 24 liters. It comes with an 8-foot long cable for connecting with your car charger. The long cable helps in keeping the cooler active while you sit and relax around your RV on a picnic or hiking trip. It can give you the lowest temperature of 36°F and serves your chilly drinks. The impregnated handles and the carry handle make it easy to pick it up and move around.  It is made from polyethylene and given matt finish to make it more smooth and beautiful. Please note that it is just a cooler and does not come with a warming function.

Our Opinion and Verdict:

If you are looking for a spacious and quality cooler and not a warmer, we recommend you buy this model from Igloo. It’s cooling speed, and chilled drinks will amaze you.

4. Coleman Cooler| 40-Quart Portable Cooler | Iceless Electric Cooler with cooling technology up to 40°F for Picnics, BBQs

Coleman electric cooler

Another just a cooler option for your outdoor adventures, and it can keep the temperature of the contents down to 40 degrees colder than the surrounding temperature. It means that you will get chilled drinks for your picnics and parties. It has a capacity of 40-quarts and can hold a maximum of 44 cans. This is a huge capacity, and you will never run out of chilled drinks, even for a large gathering. It comes with an 8-foot long power cable to connect it with your car charger. The door can be opened from the left and right side for better access and functionality. It comes with a removable storage tray for organizing your drinks.

Our Opinion and Verdict:

It has a huge capacity compared to other coolers. If you have a big circle and party a lot, we recommend you buy this cooler and never run out of cold drinks.

5. Wagan EL6224 24 Liter Electric Car Cooler and Warmer

Wagan electric cooler and warmer

Now we have a top-loading cooler and warmer for you, it has a capacity of 24 liters, and you can keep 27 standard cans in it. The amazing thing about this cooler is its ability to adjust large-sized bottles. You can place four 2 liter bottles vertically in it, which is impressive because of its sleek design. The lowest temperature for cooling is 36°F, and it can heat up to 140°F. The heating feature is especially great for keeping your lunches fresh and warm. It comes with a 7.5-foot long power cable to connect it with your car charger. The col/hot button is located at the backside and comes with a light indicator for ease of use. The carry handle makes it easy to move the cooler around.

Our Opinion and Verdict:

Its ability to keep 4 bottles with a size of 2 liters is fantastic. From the outer, it doesn’t look like it will have so much capacity, but from inside, it is very spacious.

6. K-box Electric Cooler and Warmer with Wheels for Car and Home – 48 Quart (45 Liter)

K box electric cooler and warmer

If your drink arsenal has a lot of variety and you want to ensure that everyone gets what they want, then it is a perfect electric cooler for you. With a capacity of 45 liters, you can easily keep 2-liter bottles, cans, beer bottles, and wine bottles in the container. It is a family cooler with the option of heating as well. You can also use it to keep your meals hot and fresh. The container comes with a removable divider for organizing things according to your preferences. The lowest temperature is 40°F, and the highest is 130°F to keep your food warm. The temperature range is not that broad as compared to other coolers in our list, but its capacity and other features are excellent. The top door makes it easy to operate and store your drinks in it. It comes with wheels for sliding and two handles for better portability. The cable has a length of 6 feet, which is a bit lesser than the above models.

Our Opinion and Verdict:

The capacity is enormous, and it is a durable and reliable cooler for parties and individual use at home or office.

Buying Guide

Size and Capacity

While buying a thermoelectric cooler, the most important thing to consider is the size and capacity of the cooler. Always look to buy a cooler which can adjust all your desired drinks for the number of people you travel or party with. It should be sleek and compact as well for easy adjusting along with the other luggage.


Another feature to consider while buying is the door opening style. Some coolers come in left or right-handed opening or both sides. A lot of models also have a top door. Top door models are easy to operate.

Heating Option

The latest models now come with a heating option. It helps in keeping lunches warm and fresh. People living in icy areas can get a lot of benefit from this feature. Such features increase the functionality and make coolers more versatile.


Most of the people use thermoelectric coolers on their vehicle’s battery power. A large cooler will draw more power, and excessive use can drain your battery speedily. Make sure you check the power of cooler before buying it. If you are planning to use it inside your home or office, then you don’t need to worry about its voltage.

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

Cooluli electric cooler


Thermoelectric coolers are excellent appliances to keep your drinks cold and food warm. Select the best one according to your needs and enjoy it. Make sure that you do not run the cooler on ignition mode, always start your car before connecting your cooler.

Krystian Szastok

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