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Independent and sustainable cooling for up to 12 days
Robust construction for stability and durability
Outstanding insulation performance for sustainability and performance in harmony
Cool for days without electricity - the KX25/ KX50 cool box is ideal for adventures in the great outdoors and for use at home. The ultra-passive cooling system is powered solely by commercially available ice or ice packs. The double-walled and cavity-insulated cool box keeps ice cold for up to 12 days without a compressor or absorber! The spacious interior of 25 or 50 liters offers enough space for everything you need - from whole crates of drinks to fresh vegetables and meat. Whether for shopping or longer trips, the Petromax cool box ensures that you always have enough cool supplies. A convenient drain valve facilitates the emptying of melt water and enables easy cleaning, while the sturdy construction ensures durability and safety. Additional cut-outs for straps or ropes also enable secure fastening during transportation. Whether barbecuing in the park, camping, at a festival, fishing or as a smart outdoor refrigerator on the terrace - the Petromax cool box is your versatile companion. It is quiet, requires no electricity and also functions as a practical seat so that you can enjoy nature to the full without having to do without cool drinks or food.
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Cool Box including Seat Cushion
Keep cool for days without power: The Petromax cool box KX25 or KX50 is perfect for Abenteuer in nature and use at home. The ultra-passive cooling system operates solely with regular ice or cooling packs. Without any compressor or absorber, the double-walled and cavity-insulated cool box keeps ice cold for up to 12 days.Depending on the model, the interior offers 25 or 50 liters of space, providing plenty of room for drinks, fresh vegetables, meat, and other supplies. Whether shopping or on longer trips, the Petromax cool box ensures that food and drinks stay reliably chilled.The integrated drain valve makes it easy to remove meltwater and clean afterward. The robust construction ensures stability and durability. Cutouts for straps or ropes also allow secure fastening during transport.Whether grilling in the park, camping, at festivals, fishing, or as a practical outdoor refrigerator on the terrace: the Petromax cool box is a versatile companion. It operates silently, requires no power, and thanks to its sturdy design, can also be used as a Seat Cushion.Seat Cushion includedThe matching Petromax Seat Cushion turns the cool box into a comfortable seat on the go. The permanently elastic foam, durable ripstop fabric, and non-slip bottom provide comfort and secure grip. The 4-point snap button system allows the Seat Cushion to be quickly attached and removed.
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The Petromax Cooler Bag is part of your basic gear to be outdoors for 4 or 6 days without relying on batteries or electricity. The Cooler Bag keeps food and drinks cold for days and, thanks to its practical colors, allows you to carry provisions for hunting, boating, camping, fishing, and Adventure picnics. With the help of water-repellent polyester fabric and a waterproof zipper, ice cubes and cooling packs stay securely stored in the Cooler Bag, reliably chilling meat, vegetables, and drinks. The shoulder strap and carrying handles make it easy to take the bag anywhere. You can securely attach the Petromax Cooler Bag in your boat or car using the eyelets for carabiners and more. The four separate pockets offer space for small equipment items, such as the Tripod Lashing, fire starters, or a lighter. Thanks to the bottle opener, you can open crown caps directly on the bag.The Petromax Cooler Bag is available in three colors and two sizes. You can fill the small Cooler Bag with up to 4 kg of ice cubes and the large Cooler Bag with up to 10 kg of ice cubes. It fits 6 x 0.5 l bottles or 4 x 1.5 l bottles. Outstanding is the cooling duration of the Cooler Bags: adventurers can stay in nature for 4 or 6 days and cook a complete Adventure menu outdoors. The Petromax Cooler Bags are the essential gear from the German traditional brand that lets you fully focus on the Adventure and should not be missing from any outdoor cooking experience.
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Bike strap for Cooler Bag 8 liters
Enjoy refreshing drinks and fresh snacks wherever your bike tour takes you: With the bike strap, you can conveniently attach your Petromax Cooler Bag (8 liters) to the luggage rack. The specially designed strap ensures that your bag stays securely in place even on rough terrain.Installation is quick and easy: With sturdy Velcro fasteners, you can quickly mount the holder on the luggage rack. Weatherproof and durable, the bike strap withstands all conditions – from rain to sunshine. Whether for picnics, shopping, or long bike rides: The lightweight, space-saving strap makes your Petromax Cooler Bag an indispensable companion.The lightweight, space-saving strap fits perfectly with the Petromax Cooler Bag (8 liters - not included with delivery) and can be easily stored. Whether cool drinks on the tour or fresh groceries on the way home – the bike strap is the ideal addition for every ride.
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Complement your cooling products with the versatile Petromax cool packs and ensure long-lasting freshness on the go. Whether in cool boxes, cool bags or cool backpacks - the precisely fitting dimensions allow an optimal integration into all Petromax cooling products.Thanks to the well thought-out design with cut-outs in the 140 mm and 210 mm sizes, the batteries remain dimensionally stable. Deformations, which can occur with conventional cool packs, can thus be avoided in the long term. This makes them particularly robust and durable.The ice packs are a space-saving alternative to ice: they do not produce any melting water as is the case when using ice and reliably ensure cool drinks and fresh food. Perfect for camping or outdoor adventures.The appealing design with high-quality workmanship and prominent logo makes the ice packs the ideal accessory for all fans of quality and style. Supplement your cooling and stay flexible - no matter where you are.
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Cooler Bag 8 L with cooling packs
The "Cooler Bag and Cooling Pack Set" combines reliable cooling for every Adventure: As a compact 8-liter set with two 70 mm cooling packs, it offers you long-lasting cooling without electricity for day trips, short tours, and flexible outdoor use – tailored to your individual needs. The Petromax Cooler Bag keeps your provisions fresh for up to 4 days – completely independent of electricity. The water-repellent polyester fabric and waterproof zipper ensure that ice cubes and cooling packs stay securely stored, while four separate pockets provide extra storage space for small gear. With a practical shoulder strap, carrying handles, and attachment loops, the bag is a versatile companion for hunting, camping, fishing, or boating. The shape-retaining Petromax cooling packs with smart cutouts prevent deformation and are therefore much more durable than conventional products. As a space-saving alternative to ice, they produce no meltwater and reliably keep drinks cool and food fresh. The precise dimensions guarantee a perfect fit in your Cooler Bag. Depending on your needs, the small set offers space for 6 x 0.5 l bottles plus additional supplies. The thoughtful design with high-quality workmanship, waterproof zipper, and integrated bottle opener makes the Petromax set an indispensable piece of gear for anyone who wants to stay independent outdoors for longer.
Cooler Bag 22 L with cooling packs
The "Cooler Bag and Cooling Pack Set" combines reliable cooling for every Adventure: As a spacious 22-liter set with a 210 mm cooling pack, it offers you long-lasting cooling without electricity for multi-day trips, camping excursions, and outdoor activities with more provisions – tailored to your individual needs. The Petromax Cooler Bag keeps your food fresh for up to 6 days – completely independent of electricity. The water-repellent polyester fabric and waterproof zipper ensure that ice cubes and cooling packs stay securely stored, while four separate pockets provide extra storage space for small gear. With a practical shoulder strap, carrying handles, and attachment loops, the bag is a versatile companion for hunting, camping, fishing, or boating. The shape-retaining Petromax cooling pack with smart cutouts prevents deformation and is therefore significantly more robust than conventional products. As a space-saving alternative to ice, it produces no meltwater and reliably keeps drinks cool and food fresh. The precise dimensions guarantee a harmonious fit in your Cooler Bag. Depending on your needs, the large set offers space for 4 x 1.5 l bottles plus additional supplies. The thoughtful design with high-quality workmanship, waterproof zipper, and integrated bottle opener makes the Petromax set an indispensable piece of equipment for anyone who wants to stay independent outdoors for longer.
Convenient on the go: Ice-cooled food and drinks for up to 8 days The Petromax Cooling Backpack 27 liters keeps your food and drinks fresh on the go for up to 8 days thanks to the power-independent cooling with ice cubes. With a capacity of 15 kg or 27 l, you can be independent outdoors and self-sufficient as you are not dependent on electricity. The comfortable back padding, chest strap and individually adjustable shoulder straps make it comfortable to carry wherever your journey takes you. Thanks to the carrying handle and the two handles on the side, you can always stand the cooler backpack upright and immediately take out an ice-cold drink by pulling open the waterproof zipper. The cooler rucksack is well protected against melting water leaks, as the water-repellent nylon fabric combined with the dirt-repellent surfaces mean you can always transport your provisions undamaged. After transporting your well-earned cold beer, simply open it with the bottle opener. Numerous pockets for useful accessories Carabiners on the straps allow you to transport smaller or larger accessories. Other items can be attached using the elastic straps. The large front pocket and the two side pockets as well as the two mesh pockets provide space for fire-making accessories, such as the fire kit or the fire piston. You can also take crockery and camping cutlery with you in the rucksack and are ideally equipped for an evening around the campfire. Even after 8 days on the road, you can still measure 8°C in the inner compartment of the cooling rucksack. With the conventional fridge temperature, you enjoy absolute independence. 13 x 1-liter bottles of drinks fit upright in the backpack. With a 0.33 l or 0.5 l six-pack of beer, you can also fit a layer of ice cubes and your barbecue food in the backpack. The 27 liter cool backpack is the ideal companion for more than 8 days of independent cooling and perfect equipment that you can easily take with you on your next adventure. Scope of delivery 1 x Petromax Cooling Backpack 27 liters1 x Instruction manual
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Cooling backpack with ice pack & insulated bottle
Your "Cooling backpack with ice pack & insulated bottle set" offers you complete food freedom for multi-day outdoor adventures: choose between the 17-liter version with 140 mm cool pack and 1-liter insulated bottle or the spacious 27-liter version with 210 mm cool pack and 1.5-liter insulated bottle. The well thought-out trio ensures long-lasting cooling of your food and drinks - without any power supply. The Petromax cooling backpack keeps your food fresh for up to 8 days at temperatures of about 8°C in the inner compartment. With comfortable back padding, adjustable shoulder straps and chest strap, you can carry up to 15 kg of contents comfortably over long distances. Numerous additional pockets, elastic straps and fastening options provide space for additional outdoor equipment from fire kits to camping cutlery for your complete adventure. The vacuum-insulated stainless steel bottle complements the rucksack and keeps your drinks cold for up to 94 hours or hot for 22 hours thanks to the double inner walls. The high-quality bamboo lid with screw cap and silicone seal reliably prevents any leakage. Practical details such as the robust handle or the carabiner attachment option offer you maximum flexibility. The precisely designed ice pack completes the set with its dimensionally stable construction and intelligent recesses. As a space-saving alternative to ice, it prevents melting water and increases the usable storage space in your rucksack. The backpack's waterproof zipper and water-repellent nylon fabric provide additional protection against moisture - the perfect combination for day trips to longer tours through the wilderness.
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Complement your cooling products with the versatile Petromax cool packs and ensure long-lasting freshness on the go. Whether in cool boxes, cool bags or cool backpacks - the precisely fitting dimensions allow an optimal integration into all Petromax cooling products.Thanks to the well thought-out design with cut-outs in the 140 mm and 210 mm sizes, the batteries remain dimensionally stable. Deformations, which can occur with conventional cool packs, can thus be avoided in the long term. This makes them particularly robust and durable.The ice packs are a space-saving alternative to ice: they do not produce any melting water as is the case when using ice and reliably ensure cool drinks and fresh food. Perfect for camping or outdoor adventures.The appealing design with high-quality workmanship and prominent logo makes the ice packs the ideal accessory for all fans of quality and style. Supplement your cooling and stay flexible - no matter where you are.
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This Petromax set combines a robust cooling rucksack (17L or 27L), a matching cool pack and a vacuum-insulated stainless steel flask. The powerful trio for your multi-day self-sufficiency in nature with up to 8 days of power-independent cooling.
Chill all food and drinks for up to 12 days without electricity. Our ultra-passive cooling system is operated with commercially available ice or ice packs. Without a compressor.
With the Petromax cool box, you can keep food chilled for up to 12 days without electricity. The ultra-passive cooling system, operated with ice or ice packs, guarantees fresh supplies. The robust design also allows it to be used as a seat, and the integrated drainage system makes cleaning easier. Ideal for long outdoor adventures, camping or boat trips, the cool box offers flexible storage options and safety from wild animals thanks to accessory options.
Portable cooler bag in a compact size for multi-day trips into the great outdoors. Electricity-independent cooling for 4 days or 6 days with ice cubes or ice packs.
The Petromax cool bag keeps food and drinks cool for up to 6 days and is ideal for on the go thanks to water-repellent polyester and waterproof zippers. With a padded strap, carrying handles and eyelets for carabiners, it is easy to transport and attach. Perfect for hunting, camping, fishing and picnics, the cooler bag with multiple pockets offers additional storage space for equipment. Available in two sizes, it is a compact companion for short to medium-length outdoor excursions.
The Petromax cooling backpack keeps your food and drinks fresh and constantly chilled for up to 8 days when you are on the go. The power-free cooling with ice cubes or cool packs allows you to be independent on the go.
With the Petromax cooling backpack, your supplies stay cool for up to 8 days, perfect for longer outdoor adventures. The comfortable padding and adjustable straps make it comfortable to carry, while the water-repellent nylon fabric offers protection against leaks. The backpack offers numerous pockets for accessories and is ideal for hiking, camping and longer trips. The power-independent cooling system with ice cubes keeps provisions constantly fresh.
Complement your cooling products with the versatile Petromax cool packs and ensure long-lasting freshness on the go. Whether in cool boxes, cool bags or cool backpacks - the precisely fitting dimensions allow an optimal integration into all Petromax cooling products.Thanks to the well thought-out design with cut-outs in the 140 mm and 210 mm sizes, the batteries remain dimensionally stable. Deformations, which can occur with conventional cool packs, can thus be avoided in the long term. This makes them particularly robust and durable.The ice packs are a space-saving alternative to ice: they do not produce any melting water as is the case when using ice and reliably ensure cool drinks and fresh food. Perfect for camping or outdoor adventures.The appealing design with high-quality workmanship and prominent logo makes the ice packs the ideal accessory for all fans of quality and style. Supplement your cooling and stay flexible - no matter where you are.
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The Petromax insert basket enables separate storage of sensitive foods such as fresh fruit and vegetables. It fits perfectly on the inner rim of the cool box and creates an additional temperature layer. With the insert basket, your provisions are always ready to hand and clearly sorted. Thanks to the water-repellent coating, it is easy to clean and remains visually appealing. Food should be hygienically packed and stored without contact in the drying basket. The Petromax insert basket is available in two sizes and can be used in both the kx50 and the kx75. It is an accessory module that allows you to adapt your passive cooling system to your personal needs. Scope of delivery 1 x Petromax insert basket for Petromax cool box
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Cutting and Dividing Board Cooler
Plastic cutting board that also serves as a divider for the cooler and as a serving boardThe Petromax cutting and divider board for the cooler has several functions to combine cooking and nature in the outdoor kitchen: Whether at the campfire, in the camper or van, on the countertop in the kitchen or placed on the cooler -the cutting and dividing board cuts a fine figure everywhere. Your cutting board becomes the place to use for regional delicacies and exotic foods while you prepare to cook.The board is made of high quality plastic and provides the foundation to productively start your cooking adventure outdoors. When you pull out the cutting board along with Petromax knives, you can get right into the mood for your dish. The cutting and separating board offers you the best conditions. The drainage channel catches the fruit juice as well as meat juice or fat, so that everything is collected in the recess. There you can also treat yourself to something hearty! Your base or camping table always stays clean, and at the end of your preparation work you can simply pour away the liquid.Keep food and drinks separate in the coolerThe cutting and separating board was specially developed for the cooler You simply push it into the corresponding recess in the middle of the box by using the handle. Just as quickly you take it out and it becomes a cutting board. In the cooler, it serves as a divider that separates different foods or drinks. This way you can keep track of everything and create order. This allows you to close the cooler more quickly so that the cold is optimally preserved.
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Extra grip for every adventure: The adhesive pad for the Petromax cool boxWith the self-adhesive adhesive pad you not only effectively protect your cool box from scratches and bumps, but also provide more grip at the same time. The thin-layer coating made of synthetic foam is perfectly matched to the surface shape of the ultra-passive cooling system. The dense material forms a robust protective layer that defies wind and weather. This means you and your cool box benefit from special protection against moisture, UV radiation and the effects of temperature. Even if you've been knee-deep in action outside: coarse dirt can be easily removed by brushing or wiping. The anti-slip pad can be fitted in just a few steps and immediately gives you more grip for your individual adventures!The lashing points are recessed into the pad, so you can still secure your ultra-passive cooling system during transport. The additional cover is available in two colors and two designs. Freely selectable in brown or gray - either with line structure and Petromax lettering or with traditional dragon logo: You alone decide what your next nature experience will look like. Non-slip stand or comfortable seat? No, because with functional Petromax accessories you remain flexible. The mounted Adhesive Pad can be combined with the Seat Cushion for the Petromax Cool Box kx25 and gives you the necessary space. How toattach the Adhesive Cover correctly:1. Make sure that the lid surface is free of dirt before attaching it by cleaning it thoroughly with water and commercially available detergent. Then wipe it dry with a cloth. 2. remove the adhesive film on the back, hold the adhesive pad directly over the cool box lid and align it centrally. 3. if the position is correct, start on one side of the lid and place the edge of the adhesive overlay flush with it. Do not press down yet, otherwise you will not be able to correct the position! You can now slowly follow the rest of the support surface until it lies completely on the cool box. 4. if all the edges fit snugly, you can now press the adhesive pad down firmly with the palms of your hands.
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Lock Plate with bottle opener cooler
Securely lock the Petromax cooler and conveniently open beverage bottles: The lock plate with integrated bottle opener offers you a practical double function during your outdoor adventures. The stainless steel accessory fits exactly to the position of the lower locking plate of your Petromax cooler and is simply exchanged for it. In this way, you can continue to lock your provisions securely against unauthorized access and at the same time open beverage bottles with a standard crown cap. The lock plate with bottle opener is universal and therefore suitable for all Petromax coolers. Add a clever accessory to your ultra-passive cooling system and prepare yourself for upcoming adventures in nature.
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For relaxing outdoor breaks - The Petromax seat cushion for the coolerWith the seat cushion for the compact Petromax cooler, you can turn your ultra-passive cooling system into a resting place to take along. The cushion core made of permanently elastic foam forms the decisive basis for relaxation in nature. It ensures ideal pressure distribution under load and thus a comfortable sitting feeling. The seat cushion is covered with robust ripstop fabric (thickness 600D). This means that it can withstand frequent use and remains particularly resistant to dirt. Traces of use such as mud can be easily brushed off, and heavily dried spots can be removed with a damp cloth.The special mesh fabric on the underside of the seat cushion forms a strong anti-slip coating. It gives the cushion support and creates you a firm seat at the camp. At the same time, it promotes air circulation and thus ideal drying after a rain shower. Dragon strong and tasty round the seat cushion by the logo embroidery on the top.Convenient at the touch of a button - push button system for your cooler seat cushionAbout the practical 4-point push button system you are a quick attachment and detachment of the seat cushion enabled. The matching counterparts for mounting on the cooler lid are included in the delivery and you only need to mount them before the first use.So equipped it goes on hot-cold expeditions and adventure vacations with the guys!With functional Petromax accessories you stay flexible: The seat cushion with push button system can be combined with the adhesive pad for the Petromax cooler
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Cooler box closures (2 pieces) spare part
This is what makes the latches for the Petromax coolers easy-to-install replacement parts: Replacement part: for the coolers kx25, kx50, and kx75 Opening and closing the lid: flexible yet durable silicone latches Easy installation: thanks to the detailed instructions, the latches can be installed within minutes Low effort: can be installed with common household tools Non-slip: secure grip even with wet hands and operable with one hand Perfect for the car, camping, and trips: replacement parts for the coolersWith Petromax coolers, your provisions stay well chilled even on multi-day outdoor adventures thanks to the passive cooling system. The latches ensure secure storage of food in the kx25, kx50, and kx75 boxes; they are flexible and durable, allowing you to easily open and close the lid. You can operate the latches with one hand—they’re non-slip and open even if your fingers are still wet from washing dishes.Easy installation of the latchesCommon household tools help you install the latches, and a detailed, illustrated manual ensures you can attach the replacement parts within minutes. Of course, you can install just one latch and save the other for later. The latches are the easy-to-install replacement parts for every Petromax cooler. Set of 2 pieces.
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Additional security for quiet nights under the open skyWith the lock holder Petromax offers you a useful accessory to secure your ultra-passive cooling system. It allows you to securely attach your cooler to a tree near your camp or to the bumper of your pickup truck, effectively protecting it from theft. Insert and connectYou simply insert the safety clip made of robust and 4 mm thick stainless steel into the handle of your Petromax cooler from above. As soon as you close the box, the lock bracket locks automatically. Thus, it can no longer be removed from the outside and makes it possible for you to additionally secure your Petromax cooler with a chain and a lock. This way you can sleep peacefully when your provisions are outside your tent or when you leave for an exploration tour. If you don't need the lock holder to secure it, it will help you - thanks to the integrated bottle opener - as a reliable means against adventure thirst.Made in Germany.
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The Petromax cooling products are designed to keep your food and drinks cool for a long period of time without electricity. The Petromax cool boxes can keep your supplies fresh for up to 12 days by using an ultra-passive cooling system powered by ice or ice packs. The cooler bags offer up to 6 days of cooling, while the cooler backpacks can keep your food and drinks cool for up to 8 days. These periods can vary depending on the outside temperature and usage, but they offer you the security of always having fresh food available, even on long trips.
The cool boxes, cool backpacks and cool bags use an ultra-passive cooling system that works completely without electricity. This system uses commercially available ice or ice packs to keep the temperature in the box, bag or rucksack low. As no compressor or absorber is required, the cooling products are particularly robust and reliable. This method is not only energy-efficient, but also very easy to use and ideal for anyone who wants to be independent of power sources when traveling.
Cleaning your Petromax cooling products is easy and uncomplicated. Our cool boxes are equipped with an integrated drainage system that facilitates the removal of melt water and cleaning. You can simply rinse out the box and drain the water via the drainage system. For the cooler bags and cooler rucksacks, it is sufficient to wipe them with a damp cloth and then allow them to dry thoroughly. Make sure to clean the products regularly to keep them in top condition and prolong their lifespan.
Choosing the right size depends on your individual needs and the intended use. If you are on long expeditions or camping trips and want to take larger quantities of food and drinks with you, Petromax cool boxes are ideal. They offer plenty of space and a long cooling capacity. The cooler bags are perfect for shorter trips or day trips as they are more compact and easier to transport. If you travel a lot and need maximum mobility, the cooler backpacks are the best choice. They allow you to carry your supplies comfortably on your back while keeping them cool for a long time.
The Petromax cooler bags and cooler backpacks are made of water-repellent material and have waterproof zippers. This ensures that your contents are optimally protected, even if you are traveling in damp or wet environments. The cool boxes are also robust and offer a high level of protection against moisture. These features make our cooling products reliable companions in all weather conditions and outdoor activities.
The optimal size of your cooler depends on several factors:
Group size and duration: For solo travelers or couples on day trips, a compact Cooler Bag with 6-10 liters of volume is often sufficient. For family outings or multi-day trips, we recommend at least 25 liters, and for larger groups, 50 liters is ideal.
Contents and space requirements: Think carefully about what you want to bring. As a rule of thumb:
• A 25-liter Cool Box holds about 24 beverage cans plus ice
• A Cooler Backpack with 27 liters can hold 13 one-liter bottles standing up
• The Cooler Bags offer space for 6 x 0.5 l bottles or 4 x 1.5 l bottles
Transport options: Consider how you will carry the cooler. Even the best Cool Box is of little use if it’s too heavy or cumbersome for your vehicle or hiking route. Here, our Cooler Backpacks with ergonomic padding and adjustable straps offer clear advantages for long walks, while Cool Boxes with handle cutouts for ropes and straps can be securely fastened in boats or cars.
Also pay attention to the amount of cooling material needed: For optimal results, about one-third of the container should be filled with ice or cooling packs. So always plan a bit more generously to avoid running out of space for food at the end of the day due to too much cooling material.
Our Petromax cooling containers stand out for exceptionally long cooling times without power supply. While conventional coolers often lose significant cooling performance after just a few hours, our products guarantee reliable cooling for several days – from 4 days with cooler bags to 8 days with the Cooler Backpack, and an impressive 12 days with our cool boxes.
The combination of high-quality materials and thoughtful design ensures maximum insulation. Especially the double-walled construction with cavity insulation in our cool boxes sets industry standards. The robust build of all cooling containers also ensures a long service life even under demanding outdoor conditions.
Another unique feature is the multifunctionality of our products: cool boxes also serve as sturdy seats, Cooler Backpacks offer numerous attachment options for additional gear, and cooler bags score with integrated bottle openers and waterproof materials.
The cooling performance of a cooler largely depends on its insulation technology. Our Petromax coolers rely on multi-layer insulation systems:
Wall thickness and material: The thicker the insulating layer, the longer the cold is retained. Our cool boxes feature particularly thick, double-walled constructions with cavity insulation, while the cooler backpacks and bags are equipped with high-quality, multi-layer insulating materials.
Seal tightness of the lid: A precisely closing lid is crucial to minimize cold loss. Our cool boxes have a special lid lock that reliably keeps the cold inside. For cooler backpacks and bags, waterproof zippers ensure optimal sealing.
Tips to maximize cooling performance:
• Pre-cool the container before filling it (e.g., overnight in the cellar or fridge)
• Fill the cooler with already chilled food and drinks
• Use block ice instead of ice cubes for longer cooling times
• Keep the container in the shade as much as possible
• Open the lid only as briefly and infrequently as necessary
With these measures, you can further maximize the already impressive cooling performance of our Petromax coolers and stay independent in nature even longer.
Choosing the right cooler can be crucial for your outdoor experience. Depending on your needs and area of use, different coolers offer various advantages:
Coolers: Our sturdy Petromax coolers are true endurance specialists. With a cooling duration of up to 12 days without power, they provide maximum independence for longer outdoor adventures. The ultra-passive cooling system with double-walled cavity insulation ensures excellent cooling performance – simply fill with regular ice or cooling packs. The KX25 and KX50 models feature a practical drain valve for meltwater and also serve as stable seating. Thanks to generous volumes of 25 and 50 liters, you can store entire crates of drinks and plenty of provisions.
Cooler backpacks: For adventurers who want to carry their coolers comfortably, our cooler backpacks are the ideal choice. With a capacity of 27 liters and an impressive cooling duration of up to 8 days, they offer first-class mobility without compromising cooling performance. The water-repellent nylon fabric and dirt-resistant surfaces protect against leaking meltwater. Especially practical are the numerous extra pockets for important accessories as well as attachment options for smaller gear.
Cooler bags: Our versatile cooler bags are true all-rounders for shorter trips. With cooling times of 4 to 6 days, they provide reliable cooling for food and drinks in two different sizes. The water-repellent polyester fabric and waterproof zipper ensure safe transport. Thanks to the integrated bottle opener, loops for carabiners, and practical outer pockets, these cooler bags are perfect for hunting trips, boating, or camping adventures.
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