Leaving an electric cool box on continuously depends on several factors, including the specific model of the cool box, its intended use, and your power source.

Power Source: If your electric cool box is powered by mains electricity (AC power), leaving it on continuously is generally not an issue as long as it's designed to operate that way. However, if you're using a portable electric cool box that runs on a battery or a vehicle's DC power supply, leaving it on all the time can drain the battery, especially if the vehicle's engine is not running to recharge the battery.

Thermal Regulation: Many electric cool boxes are equipped with thermostats or temperature controls that regulate cooling. Leaving them on continuously can maintain a consistent temperature inside the cool box, ensuring that your food and beverages stay appropriately chilled without freezing or becoming too warm.

Safety Considerations: It's essential to consider safety factors when leaving any electrical appliance on continuously. Ensure that the cool box is placed on a stable surface away from flammable materials and that the power cord is not damaged or frayed.

Yes, electric cool boxes can effectively function as refrigerators, providing a convenient way to keep food and beverages cold in various settings.

Electric cool boxes, also known as portable electric coolers or thermoelectric coolers, work using the principles of thermoelectricity and the Peltier effect.

Determining the appropriate size of a cool box depends on several factors, including your specific needs, the duration of your trip, the number of people you're traveling with, and the available space for storage. Here are some considerations to help you choose the right size cool box:

Capacity: Consider the amount of food and beverages you'll need to store in the cool box. If you're going on a short trip or picnic for one or two people, a smaller cool box with a capacity of around 20-30 liters may be sufficient. For longer trips or larger groups, you may need a larger cool box with a capacity of 40 liters or more.

Duration of Trip: If you're planning a day trip or a weekend getaway, a smaller cool box may be adequate to keep your perishable items cold for the duration of the trip. However, if you're embarking on an extended camping trip or traveling for several days, you may need a larger cool box with enough space to store food and beverages for the entire trip.

Available Space: Consider the space available for storage in your vehicle or at your campsite. Ensure that the cool box you choose fits comfortably in the designated storage area and leaves enough room for other items you need to bring along.

Portability: Think about how you'll be transporting the cool box. If you'll be carrying it long distances or over rough terrain, a smaller, more portable cool box may be easier to handle. However, if you'll mainly be using it at a campsite or in a vehicle, a larger cool box may offer more storage capacity without sacrificing portability.

Additional Features: Consider any additional features you may need, such as built-in handles, wheels for easy transportation, or compartments for organizing food and drinks. These features can enhance the usability and convenience of the cool box.

Ultimately, the right size cool box for you will depend on your specific requirements and preferences. Take into account the factors mentioned above to choose a cool box that meets your needs and ensures that your perishable items stay cold and fresh during your outdoor adventures.