Dometic TropiCool TCX21 21 Litre Thermoelectric Cooler
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Dometic TropiCool TCX21 21 Litre Thermoelectric Cooler

Reviews: (1) SKU: TCX21 Learn More»

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Dometic TropiCool TCX21 Thermoelectric Cooler, 21 Litres


The TCX range of thermoelectric coolers is the result of Dometic not resting on its laurels and always looking for new and exciting product innovation.

Providing all of the previous benefits of the popular Dometic CoolPro TC series, the new TCX line is portable, convenient, and reliable. A high performance fan for dynamic interior ventilation can create temperatures up to 27°C below ambient temperature, as low as 1°C, or warm up to 65°C so that you can bring and maintain whatever food or drink your heart desires. An intelligent power-saving circuit creates efficiency and minimizes excessive power use, while seven-level temperature regulation gives you full control.

Besides a fresh new design, the TCX range has been equipped with additional protection and safety measures. TCX includes active battery protection that will prevent deep discharge of your vehicle’s battery and a reverse polarity feature ensures foolproof DC electrical connections.



  • Flexible 12/24 V DC or 240 V AC operation
  • Powerful temperature control, cooling down to 3°C or heating up to 65°c
  • Seven-level temperature regulation
  • Active battery protection preventing deep discharge of the vehicle battery
  • Efficient TC special electronics with intelligent power-save circuit
  • Memory feature maintains presents if the system is turned off
  • Integrated fixing points suit accessory fixing kit for fastening the cooler in your vehicle (sold separately) 



  • Model: TCX21
  • Total Capacity (Litres): 21.00
  • Fridge Width (mm): 303.00
  • Height (mm): 420.00
  • Fridge Depth (mm): 450.00
  • Net Weight (kg): 7.3000
  • Voltage: Input voltage (AC): 240C, Input voltage (DC): 12/24V
  • Temperature Range: - 3°C  up to 65°C
  • Colour: Shadow Grey
  • Manufacturers Warranty: 1 Year Manufacturer Warranty


Note: This model was formerly known as TC-21FL


Brand Dometic

GTIN 9331391008988

Product Category Thermoelectric coolers

Voltage 12V/24V/240V

Total Capacity: 21 Litres

Fridge Width: 303 mm

Fridge Height: 420 mm

Fridge Depth: 450 mm

Weight: 7.3 Kg

Temperature Range: Cooling: 3°C to 16°C | Heating: 48°C to 65°C

NOTE: see full product specifications & further product info in the Description section on this page.

Warranty Period: 1 Year

Warranty Details: Please CLICK HERE for Warranty Information on this product

  • We ship Australia-wide with national road express freight companies such as Star Track, TNT and Toll.
  • Small Items are sent with Australia Post via regular post.
  • Delivery times are generally 3-5 days from day of dispatch for major cities (sometimes quicker). Please allow longer for regional and remote areas.
  • Once your item(s) have been dispatched, we will provide you freight tracking information so you can track your delivery to your door.
  • Items are fully insured during the freight process.
  • Unfortunately we cannot deliver to PO Boxes.
  • For further details on our Delivery Process you can visit our Delivery Page HERE.

Important Covid-19 Comment: during these difficult times, our dispatch and delivery times are longer than normal. Please allow additional days for delivery over and above the normal estimates outlined above.

Write a product review


By: on 25 June 2021

Excellent product. Outstanding service.

  • How do I prevent my thermoelectric cooler from overheating?

    Make sure that the cooler is in a well-ventilated area (there needs to be a minimum of 50mm ventilation on all four sides of the unit). Also ensure that there are no objects near the unit (especially the ventilation units) that could restrict the airflow to the cooling components. Do not leave the unit in a closed compartment or area with little to no airflow.

  • I'm considering a Thermoelectric Coolers for my car: what are the benefits and drawbacks of these coolers compared to a DC car fridge?

    Hi there, great question!

    The Pro's for Thermoelectric Coolers are following:

    • Low price
    • Light weight
    • Small size
    • Don't need to be completely level
    • Easy to operate
    • Long life - repetitive use
    • Design to maintain temperature does not make temperature

    The Con's for Thermoelectric Coolers are following:

    • Will not reach the same cooling capacity as a portable fridge
    • Very dependent on the ambient temperature
    • Will consistently draw power (no on/off cycle)

    To be able to keep your drink cool or your lunch warm for a road trip, thermoelectric coolers/warmers are great due to the low cost. However, are you looking for an investment for a longer trip, we would recommend a portable fridge.

  • How do I prevent my thermoelectric cooler from overheating?

    First, you will need to ensure that you place the thermoelectric cool in a well-ventilated area. It will require a minimum of 50mm ventilation on all four sides of the unit.

    Secondly, it is important to make sure that there are no objects are restricting the airflow to the cooling components, especially the ventilation area. It is important to ensure that you do not leave the unit in an area with no or little airflow, or in a closed compartment.