Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 1 Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 2 Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 3 Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 4 Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 5 Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 6 Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 7 Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 8 Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) image 9

Mestic MTEC-28 Thermoelectric Cool Box (AC/DC)

£79.99(inc VAT) £95.99
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  Product Description
Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) is your lightweight and reliable companion for day trips or mild summer holidays. It cools up to 20?°C below the surrounding temperature, so you enjoy fresh drinks and snacks wherever you go.

Weighing 4.5?kg, it’s easy to carry to the beach or a picnic. The 26?L interior holds tall 1.5?L bottles with room to spare. A 12?V car lead is included for on-the-road cooling, and you can switch to 230?V mains on arrival. High-quality insulation helps maintain the temperature, especially when items are pre-chilled. Eco mode minimises power use.

Switch to ‘hot’ if you want to keep food warm. Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) offers versatile heating and cooling options in one portable unit, keeping your items at just the right temperature throughout your trip.

Mestic MTEC-28 Thermoelectric Cool Box (AC/DC) Features


  • Cools up to 20°C below ambient
  • 12V (car) and 230V (mains) connections
  • Eco mode for reduced consumption
  • 26L capacity (fits 1.5L bottles)
  • Lightweight at 4.5kg
  • Compact size: 45.7×39×30cm

Specifications
  • Article number : 1502920
  • Connection voltage : 12V & 230V
  • Dimensions (hxwxd) : 45.7x39x30cm
  • Eco mode : Yes
  • Suitable for 1.5 L bottles
  • Weigth : 4.5kg
  • Content : 26L
  • Adjustable temperature range : Up to 20°C below the ambient temperature
  • Material : Plastic
  • Storage compartment for cables : Yes
  • Cool box type : Thermoelectric
  • Heating function : Yes


Frequently Asked Questions

How does thermoelectric cooling compare to compressor cool boxes?
Thermoelectric cool boxes like the Mestic MTEC-25 use a solid-state Peltier element to transfer heat, creating cooling up to 20°C below ambient temperature. Compressor models reach fixed temperatures regardless of outside conditions and perform better in hot weather, but thermoelectric units weigh less, cost less to buy, run silently, and draw lower power in eco mode. The MTEC-25 suits UK spring and autumn camping where ambient temperatures stay moderate, while compressor boxes handle Mediterranean summer heat more reliably.
Can the Mestic MTEC-25 run continuously on a leisure battery?
The MTEC-25 draws approximately 48 watts on 12V power, which equals roughly 4 amps per hour. A 100Ah leisure battery could theoretically run this cool box for around 25 hours in standard mode before reaching 50 percent discharge, though the eco mode setting reduces draw and extends runtime. Pre-cooling contents before switching to battery power and minimising lid openings both help preserve battery capacity. Most caravanners run the cool box on 230V hookup and switch to 12V only during transit.
What temperature does the heating function reach?
The Mestic MTEC-25 heating function warms contents to approximately 60-65°C above ambient temperature when running on 230V mains power. This keeps pre-cooked meals, soup, or ready-to-eat food warm during outdoor events or pitch-side dining. The heating mode works less effectively on 12V car power due to lower available wattage. This function maintains food temperature rather than cooking from raw, so prepare hot meals beforehand and use the warm setting to keep them ready for serving.
Will the MTEC-25 keep ice cream frozen?
Thermoelectric cool boxes cannot freeze contents or maintain frozen food because they only cool relative to ambient temperature. On a 25°C day, the MTEC-25 reaches approximately 5°C internally, which keeps drinks cold and perishables fresh but melts ice cream within hours. Frozen items need a compressor cool box or a traditional ice box with sufficient ice packs. The MTEC-25 works best for chilled drinks, fresh produce, dairy products, and refrigerated items that stay safe between 2-8°C.
Does the cool box work while driving?
The included 12V cable plugs into your vehicle's cigarette lighter socket and powers the MTEC-25 during transit. The thermoelectric system continues cooling while the engine runs and provides battery voltage. Most modern vehicles supply 12V power even with the ignition off, but extended use without the engine running drains the starter battery. The cable storage compartment built into the lid keeps the 12V and 230V leads organised between uses. Switch to mains power on arrival at your campsite or caravan pitch to avoid depleting the car battery overnight.
How much insulation does the MTEC-25 provide when unpowered?
The plastic construction and foam insulation of the Mestic MTEC-25 offer basic passive cooling when unplugged, maintaining internal temperature for 2-3 hours in moderate conditions. This compares to traditional passive cool boxes which use thicker insulation and ice packs for longer retention. Pre-chilling contents and minimising lid openings both extend the unpowered cooling period. The thermoelectric design prioritises active cooling performance over passive insulation, so keep the cool box connected to 12V or 230V power whenever possible to maintain consistent refrigeration temperatures.
EAN-13 : 8712757468225
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If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 100 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
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