Camping & Outdoor Gear · Accessories & Add-ons
Cool Boxes & Coolers: What Else You'll Need
By the Nest & Yard editorial teamUpdated 2026-08-093 min read
Planning a barbecue in the garden or a day out exploring the countryside? A cool box is essential for keeping your drinks and food chilled, but to truly maximise its performance and longevity you’ll need more than just the cooler itself. This guide explores common accessories and add-ons often overlooked when initially purchasing a cool box – from protective cases and mounting solutions to compatible power sources and replacement parts – ensuring your investment lasts and keeps things cool for years to come.
See the full range in Cool Boxes & Coolers.

Currently unavailable
Pros
- 20-litre capacity is a good size for day trips and picnics
- Foldable, leakproof design stores flat when not in use
- Doubles up for keeping food warm as well as drinks cold
Cons
- Passive insulation only, so ice packs are needed for longer trips

#2 Pick
Electric Cooler Box of 26L, Large Cool Box Powered By 12V In-Car Cigarette Lighter Socket or UK 3 Pin Plug- 26L
Currently unavailable
Pros
- Heat function as well as cooling makes it useful year-round
- Runs from either a car socket or a home mains plug
- Roomy 26-litre capacity suits family camping trips
Cons
- Noticeably noisier than a passive cool box when running

Currently unavailable
Pros
- Dual power options work from a car socket or mains at the campsite
- 32-litre capacity holds a good few days of food and drink
- Lightweight body is easy to carry between car and pitch
Cons
- Thermoelectric cooling only chills below ambient, not a true fridge
FAQ
What's usually included in a cool box or cooler delivery?
Typically, you’ll receive the cool box/cooler itself, the power adaptor (if electric), and sometimes an instruction manual. However, many boxes don’t include ice packs, which are essential for initial cooling, or a carrying handle – check the product details before purchasing.
I need to keep drinks cold for longer than just a few hours; what extra insulation can I add?
Consider purchasing additional foam inserts or gel packs designed to fit within your cool box. These provide supplementary chilling power and extend the duration of coolness, especially beneficial during prolonged use.
My cooler isn’t staying as cold as it should – what could be causing this?
Check that the seals around the lid are clean and forming a tight closure; any gaps will allow warm air to enter. Also, ensure you're not overloading the box with items, which can reduce its efficiency.
I’m using my cool box on the beach – do I need anything for transport?
While some coolers have handles, a separate padded travel bag or carrier is highly recommended to protect it from damage and make carrying easier when full.
What kind of ice packs should I use with my cooler?
Gel packs are generally more effective than traditional reusable ice packs as they maintain their temperature better for longer periods. Consider the size you need – larger coolers require larger packs to fill the space effectively.
Are there any accessories that improve cooling performance?
Insulating blankets or covers can be placed over your cooler when not in use, reducing heat transfer and maintaining colder temperatures. This is particularly useful if storing it in a warm environment.
My cool box needs cleaning – what should I use?
Use warm water and a mild detergent to clean the interior of your cool box regularly; avoid abrasive cleaners that could damage the lining. Thorough drying after cleaning prevents mould growth.
Should I freeze water bottles to add to my cooler?
Freezing several small water bottles can provide extended cooling, acting as ice packs within the larger cooler compartment – just ensure they don’t leak.
What about dehumidifying pouches for longer trips?
Adding silica gel packets or dehumidifying pouches will absorb excess moisture inside your cooler and help maintain optimal cooling performance, preventing condensation.
How do I know if the power adaptor is suitable for my needs?
Always check the wattage rating of the power adaptor against the requirements of your cool box. Using an underpowered adaptor can cause overheating or damage to the appliance – refer to the manufacturer's specifications.
In depth
Maintaining optimal performance and longevity of any cooling device – be it a portable cooler or a larger unit – requires careful attention to supplementary accessories and consumables. While the initial purchase focuses on the core functionality, several supporting items significantly impact operational efficiency and overall value. This section outlines common additions often overlooked during the initial purchasing phase, detailing categories and considerations for UK shoppers.
Firstly, consider maintenance supplies. Cooling units generate condensation, requiring regular cleaning to prevent mould growth and maintain optimal cooling capacity. This includes distilled white vinegar – a safe and effective descaling agent for internal components – as well as microfiber cloths specifically designed for delicate surfaces. Alongside these, a small bottle of pH-neutral glass cleaner is invaluable for wiping down exterior casings without causing damage. Quantities will vary depending on the unit’s size and usage frequency, but stocking up on these consumable cleaning supplies proactively avoids disruption when maintenance is required.
Secondly, filtration plays a crucial role in maintaining air quality and preventing dust buildup within cooling systems. Depending on the model – particularly those with evaporative cooling – regular filter replacement is essential. This could encompass foam filters for airflow regulation or specialised HEPA-type filters designed to capture fine particulates. Researching the manufacturer’s recommended filter types and frequencies will inform your purchasing decisions, alongside considering the accessibility of replacement parts within the UK market.
Thirdly, consider accessories that enhance usability and portability. Many portable coolers benefit from carrying cases offering protection during transit. These range from simple padded sleeves suitable for smaller units to more robust hard-shell carriers designed for larger models. Additionally, external power solutions are frequently needed – especially when utilising battery-powered cooling options. Investing in a high-capacity USB charging bank or a dedicated AC adapter ensures continued operation away from mains outlets.
Fourthly, don’t underestimate the importance of thermal protection and surface safeguarding. Cooling units generate significant heat, potentially damaging delicate surfaces or materials. Protective pads made from non-slip felt are invaluable for preventing movement and minimising contact with furniture. Additionally, consider silica gel packets – commonly used to absorb moisture – to combat condensation build-up within enclosed spaces, further protecting surrounding items.
Finally, it’s worth considering accessories related to extended usage comfort. For prolonged use, particularly in warmer climates, a cooling towel or neck wrap can provide direct evaporative cooling for the user. Similarly, if utilising a portable cooler outdoors, a small shade sail or sun visor will help reduce heat exposure and maintain a comfortable environment.
These supplementary items represent essential additions that significantly contribute to the overall performance, longevity, and user experience of any cooling device. A proactive approach to these often-overlooked accessories ensures optimal operation and prevents potential issues down the line – ultimately enhancing the value of your investment.
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.