Mestic Cool Box Power Pack image 1

Mestic Cool Box Power Pack

£153.99(inc VAT) £179.99
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  Product Description
The Mestic Coolbox Power Pack is a 259Wh portable power station designed to run thermoelectric coolboxes, compressor fridges, and other 12V camping equipment for 6-8 hours off-grid. Weighing under 3kg and measuring 241 x 107 x 55mm, this compact unit fits easily into motorhomes, caravans, campervans, or your boot without taking up valuable storage space. It's built for campers and caravanners who need reliable power for their cooling equipment at festivals, wild camping spots, or anywhere without electric hookup.

How long will this power pack run my coolbox?


The Mestic Coolbox Power Pack provides 6-8 hours of continuous operation for standard 12V coolboxes from its 259Wh battery capacity. Runtime depends on your coolbox's power draw and ambient temperature, with thermoelectric models typically drawing 40-50W. The built-in LED display shows remaining charge so you'll know exactly when to recharge via mains, 12V cigarette socket, or the 18V solar panel input.

The dual USB Type-C ports deliver 65W output, fast-charging modern phones, tablets, and laptops while simultaneously powering your coolbox through the 12V cigarette output socket rated at 10A. There's also a 22.5W USB-A port for older devices. The 18V solar panel input with DIN port accepts standard camping solar panels for off-grid recharging, making it ideal for multi-day trips when paired with a portable solar setup.

Built-in features include a flashlight for nighttime use and a magnetic backside that attaches to metal surfaces in your motorhome or van. The LED display provides real-time information on battery level, input and output wattage, and remaining runtime. Recharging takes place via USB Type-C at up to 65W or through the solar panel input, with pass-through charging letting you use connected devices while the power pack recharges.

Frequently Asked Questions

Will this power pack run a compressor fridge or just thermoelectric coolboxes?
The Mestic Coolbox Power Pack's 12V output at 10A (120W maximum) is designed primarily for thermoelectric coolboxes which typically draw 40-50W. Small compressor fridges drawing under 60W will run for 3-4 hours, though runtime varies based on ambient temperature and how often the compressor cycles. Check your fridge's power consumption before connecting to avoid overloading the 10A output limit.
What size solar panel do I need to charge this power pack?
The 18V solar panel input with DIN port accepts 50W to 100W solar panels rated at 18V. A 100W panel will fully recharge the 259Wh battery in approximately 3-4 hours of direct sunlight, while a 50W panel takes 6-8 hours. Solar panels must have the correct DIN connector and 18V output to work with this power pack's charging system.
Can I charge the power pack and run my coolbox at the same time?
Yes, the Mestic Coolbox Power Pack supports pass-through charging, allowing you to run your coolbox from the 12V output while simultaneously recharging the battery via USB Type-C or solar panel input. This feature is particularly useful for daytime solar charging while keeping food and drinks cold, extending your total off-grid time beyond the standard 6-8 hours.
How do I know when the power pack needs recharging?
The built-in LED display shows real-time battery percentage, remaining runtime based on current power draw, and input/output wattage. When the battery drops below 20 percent, the display flashes to indicate low charge. The screen displays estimated hours remaining based on your connected device's power consumption, helping you plan when to switch to mains or solar charging.
What's the difference between charging via USB-C and solar panel input?
The USB Type-C input charges at 65W maximum, fully recharging the 259Wh battery in approximately 4 hours from a mains USB-C charger or your vehicle's USB-C port while driving. The 18V solar panel input with DIN port charges at variable rates depending on sunlight conditions and panel wattage, typically taking 3-8 hours with a 50-100W panel. USB-C is faster and more consistent, while solar charging offers true off-grid capability for extended trips.
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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.
  Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?

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