Tristar KB-7540 Cool Box 40 L – Portable Thermo-Electric Cooler for 12 V and 230 V
The Tristar KB-7540 is a portable thermo-electric cool box with a 40-litre capacity, designed to keep your food and drinks cold wherever you need them. It operates on both 12 V DC and 230 V AC power, making it equally suitable for use in a car, at a campsite, or at home.
40-litre capacity provides ample space for a full day of food and drinks for a family or a group of friends
Thermo-electric cooling technology delivers quiet, compressor-free operation with no vibrations
Dual power supply — runs on 12 V vehicle outlet or 230 V household mains for maximum flexibility
Integrated heating function allows the box to be used as a warm storage compartment in cooler weather
What sets the Tristar KB-7540 apart
Unlike compressor-based cool boxes, the thermo-electric system in the KB-7540 operates silently and without moving parts, reducing wear and making it well suited for quiet environments such as campsites or indoor use. The dual-voltage design means you can switch between car and mains power without any additional equipment.
Ideal for...
Camping trips, day excursions, and outdoor events where a reliable cold storage solution is needed without the bulk of a compressor unit. Also suitable for use as a supplementary cooler at home or in an office setting.
Application of Tristar KB-7540
Connect the cool box to a 12 V car cigarette lighter or a 230 V wall outlet, set the desired temperature, and load your food and beverages. The integrated heating function can be activated in winter to keep contents warm. The carry handle and lightweight construction at 6.8 kg make it easy to transport.
Tristar is a Dutch consumer electronics brand specialising in portable cooling and heating products, including thermo-electric cool boxes, travel fridges, and portable heaters. The brand focuses on energy-efficient solutions for outdoor and travel use, with products designed for dual-voltage operation across European and vehicle power standards.
The KB-7540 is a portable thermo-electric cool box designed to keep food and drinks cold during camping trips, day excursions, and outdoor events. It can also be used at home or in an office as a supplementary cooler.
The cool box operates on both 12 V DC (vehicle cigarette lighter) and 230 V AC (household mains), allowing flexible use in a car, at a campsite, or at home without additional adapters.
40-litre capacity, thermo-electric cooling technology, 12 V / 230 V dual power supply, 6.8 kg weight, integrated heating function, and a 24-month manufacturer warranty.
The delivery includes the Tristar KB-7540 cool box unit. Exact contents may vary — refer to the manufacturer's specification for a detailed list of included accessories.
Wipe the interior and exterior with a damp cloth and mild detergent. Allow the unit to dry completely before storing. The thermo-electric module has no moving parts and requires no lubrication or maintenance.
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