Cool Box Dometic TropiCool Classic TCX 21 20L

The Dometic TropiCool Classic TCX 21 20L is a compact electric cool box designed for portable refrigeration and heating. With a 21-litre capacity and a modern black-and-silver finish, it combines a soft-touch control panel and digital display with thermoelectric technology to deliver cooling up to 27 °C below ambient temperature and heating up to +65 °C. The unit runs quietly at 41 dB and accepts both AC and DC power, with built-in protections to prevent deep battery discharge and reverse-polarity damage.

Advantages

The TropiCool TCX 21 offers energy-saving operation through an intelligent power-save circuit and a memory feature that keeps user presets after power interruption. It provides reliable performance in a lightweight, portable form factor and can operate even when tilted. Safety features include reverse polarity protection for AC and DC connections and measures to avoid deep discharging of connected batteries. A wear-resistant fan ensures stable interior ventilation for consistent cooling or heating.

Suitable for

• Camping and outdoor trips where compact refrigeration is needed
• Road trips and car travel using 12V DC or mains AC power
• Picnics and beach days to keep food and drinks cold
• Transporting temperature-sensitive items over short distances
• Use in small caravans, boats, or cabins with limited space

Key specifications

• Capacity: 21 litres
• Cooling technology: thermoelectric (Peltier) module
• Temperature range: up to 27 °C below ambient for cooling; up to +65 °C for heating
• Noise level: approximately 41 dB
• Power options: AC and DC operation with intelligent power-save circuit
• Physical dimensions (W×D×H): 450 × 303 × 420 mm
• Control: soft-touch panel with digital display and memory for presets
• Additional features: tilt operation capability; wear-resistant fan; battery deep-discharge protection; reverse polarity protection

How to use

Connect the TropiCool TCX 21 to an appropriate power source — AC mains or a vehicle DC socket — observing polarity and using the supplied cables or compatible adapters. Set the desired temperature using the soft-touch controls and digital display; the unit will maintain the selected setting and remember presets if power is interrupted. Place items inside without blocking ventilation inlets or outlets, and avoid overloading beyond the 21 L capacity to ensure optimal airflow and performance. For heating, select the heat mode and allow time for the interior to reach the set temperature.

Usage recommendations

For best efficiency, pre-chill contents where possible and ensure the lid is closed during operation. Avoid placing the cooler in direct sunlight or next to strong heat sources, and allow adequate clearance for ventilation. When using from a vehicle battery, monitor battery voltage or use the cooler's battery protection features to prevent deep discharge.