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🔥 Double the meals, half the space — upgrade your kitchen game!
The Ninja Double Stack XL 9.5L Air Fryer combines a sleek, space-saving vertical design with powerful 2470W output to cook meals up to 55% faster and more energy-efficiently than traditional ovens. Featuring 2 independent drawers and 2 racks, it offers 4 cooking levels and 6 versatile functions including air fry, roast, bake, and dehydrate. Its large 9.5L capacity serves up to 8 people, making it ideal for millennial managers who value efficiency, style, and healthy cooking. Dishwasher-safe parts and included silicone tongs ensure easy maintenance, backed by a 2-year warranty for peace of mind.








| ASIN | B0CZXW5XR3 |
| Air Frying Technology | True |
| Best Sellers Rank | 11,343 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 42 in Air Fryers |
| Brand Name | Ninja |
| Capacity | 9.5 litres |
| Colour | Black/Copper |
| Control Method | Touch |
| Controller Type | Hand Control |
| Customer Reviews | 4.6 out of 5 stars 1,468 Reviews |
| Has Nonstick Coating | Yes |
| Inner Material | Aluminum with non-stick coating |
| Is the item dishwasher safe? | Yes |
| Item Dimensions D x W x H | 47D x 28W x 38.5H centimetres |
| Item Highlight | 4 cooking levels (2 Drawers and 2 Racks), Space Saving Design 6 Cooking Functions. Make up to 8 portions. |
| Item Type Name | Ninja Double Stack Air Fryer |
| Item Weight | 10.3 Kilograms |
| Manufacture Year | 2024 |
| Manufacturer | Ninja |
| Material | Aluminium , Plastic |
| Maximum Temperature Setting | 450 Degrees Fahrenheit |
| Model Name | Air Fryer |
| Model Number | SL400UKCP |
| Number of Items | 1 |
| Number of Packs | 1 |
| Outer Material | Aluminium, Plastic |
| Output Wattage | 2470 Watts |
| Part Number | SL400UKCP |
| Product dimensions | 47D x 28W x 38.5H centimetres |
| Recommended Uses For Product | Air Fry, Max Crisp, Roast, Bake, Reheat, Dehydrate |
| Recommended uses for product | Air Fry, Max Crisp, Roast, Bake, Reheat, Dehydrate |
| Size | 9.5L |
| Software Update Supported to Date | unknown |
| Special Features | 6 Cooking Functions, Air Fry, Max Crisp, Roast, Bake, Reheat & Dehydrate, 2 independent cooking zones, 2 racks, Dishwasher Safe Parts , Silicone Tongs |
| Special feature | 6 Cooking Functions, Air Fry, Max Crisp, Roast, Bake, Reheat & Dehydrate, 2 independent cooking zones, 2 racks, Dishwasher Safe Parts , Silicone Tongs Special feature 6 Cooking Functions, Air Fry, Max Crisp, Roast, Bake, Reheat & Dehydrate, 2 independent cooking zones, 2 racks, Dishwasher Safe Parts , Silicone Tongs See more |
| UPC | 622356295796 |
| Unit Count | 1.0 count |
| Voltage | 240 Volts |
| Wattage | 2470 watts |
P**X
⭐⭐⭐⭐⭐ An incredible upgrade – the perfect air fryer for my kitchen!
After four years of daily use, my Ninja Foodi MAX Dual Zone Air Fryer with Smart Cook System (AF451UK) had been absolutely fantastic and never let me down, but I decided it was time for an upgrade. The Ninja Double Stack Pro XL in Stone Gold is everything I was hoping for and more. The clever vertical design gives me all the cooking capacity I need while taking up much less space on my worktop, making my kitchen feel far less cluttered. The Stone Gold finish is gorgeous and matches my home aesthetic perfectly, giving it a premium look that blends beautifully with my other appliances. Performance is exactly what I’ve come to expect from Ninja—fast, even cooking, crispy results, intuitive controls, and easy cleaning. If you’re considering upgrading from an older Ninja model, I can wholeheartedly recommend the Double Stack Pro XL; it keeps everything I loved about my previous air fryer while improving the design, saving valuable counter space, and looking absolutely stunning.
L**Z
Absolutely Amazing 💖
Love this!!! The best air fryer I've ever had and I've had a few 😂 It takes up minimal space, the noise isn't noticeable at all. Easy to clean and easy to use. I normally put my food on for half the cooking time, check it and then put it back on. The bake function is brilliant as well, made a really good summer fruits crumble
E**L
Ease to use/ not so noisy
Good size and baskets on top of each other as opposed to beside each other is a great space saver on the worktop. Extremely easy to use and although one of the cons was that it was nosier than other air fryers, I can’t say it’s any nosier than when a fan oven is on. The fact that there is no heat up time and it cools down quickly means that any noise is limited for the duration that the airfryer is running. Haven’t tried any large items such as whole chicken but have noticed that food such as burgers retain more of their juices (as long as you keep an eye on them when learning what works best for food timings). Bought this also so that my kids could learn to cook things without having to use oven and they are more keen to use the airfryer because of how simple it is
E**X
Hot, Fast, and Unreasonably Convenient
This thing has absolutely no business being this good. It’s like having a tiny kitchen wizard on your counter who somehow knows how to make chips better than you ever could. The 9.5L size is a game-changer — you can actually cook for real people, not just two sad potato wedges at a time. It heats up faster than my motivation disappears on a Monday, and the dual drawers mean you can cook chicken in one and chips in the other without them fighting for space. Bonus points for the “sync” feature - it’s giving time management queen which is good because I was never taught (idk who is) how to make all the parts of a meal be ready at the same time It's already worth every penny - but if you spot it on offer? It’s a no brainer. Grab it, tell the group chat so they can grab one too. Honestly, my oven is somewhere in the corner crying. Haven’t used it in weeks. *update: had it a year, she's still cute and absolutely carrying this kitchen
T**L
The Real Deal 7/10 its not UK's No 1 Bestseller for no reason
well this is really space saving in comparison the older 9.5l ninja air fryer. however this version doesn't cook as quickly on lower rack as the previous one. so I keep the racks on high level to allow air to flow 360 around the food. just the space saving alone is worth investing in they air fryer. counter space comes at a premium. the golden black version isn't cheap looking in reality. in pictures it would seem as some cheap looking copper gimmick. well don't worry about it looking cheap. its not the start up function is different form the older model and needs a bit of learning curve . I wanted to return it due to this issue however the space saving design stopped me. it comes with all necessary accessories like internal grill racks and tongs. there isn't much else you need except maybe butter paper trays to put on base of bowls to keep oil in check and make cleaning easier. the air vents now go out from the right side. the same side the control panel is at. so you can't keep it against a wall on the right side . at least not plain against the right side. noise same as older models . not much different . beeping also same warranty is very nice. ninja immediately replies to emails and calls. so no danger of being left hanging high and dry air fryer lasts about 2 to 3 yrs before it needs deep cleaning . so no matter which company you buy it from you will eventually have to deep clean it. never done as the last one broke near the 2 yr mark and ninja replaced it. why is this the no 1 best selling air fryer. well customer service . as I just mentioned above. and they used common sense in designing this item . air fryer vs deep fryer well the taste isn't much different after using air fryer for 3+ yrs. wished has bought it years ago instead of deep fryer. don't go for deep fryer. the potato chips fry better in this then any deep fryer could ever fry them. and they taste good. at least marks and Spencer frozen chips. you get the idea. cleaning the internal plates in dishwasher. the external bowls are rinsed with soapy hot boiling water . so not much of an issue. maybe weekly cleaning is ok for most people or maybe once in 2 weeks. toxins. well if you are afraid of toxins then you probably also have mental health issues which can't differentiate between which toxins else to avoid and your focus is on air fryer toxins as they are easier to paddle to simpleton folks. what about body spray toxins or milk from gm cows or air form car exhausts which are now nearly impossible to avoid. it your choice of poison vs ease of life. what do you choose you would like to be affected by. there is no avoiding toxins. so personal preference here.
R**L
Works well, just requires a little longer
I love the look of this product and it takes up much less room on the worktop than the side by side Ninja. It’s easy to use, easy to clean, has lots of room and has various useful functions. The reason for 4 and not 5 stars is; - it takes longer to cook things than the side by side did. I’d say maybe an extra 7-12 minutes. - it doesn’t cook things as evenly and I have to shake/turn/ rearrange items throughout cooking.
D**R
Great air fryer
Brought this to replace my old ninja air fryer, that I have had for 8 years got the double stack XL so uses up less space, controls so easy to use love it so versatile and it was on special offer. Would recommend to anyone
O**A
Finally got one ... after disappointing 1st generation of air fryers from an age ago
We had the original air fryers that used a few drops of oil. The World promised to become a paradise ... it was a disaster. The chips were nowhere near that deep fry satiety you always got. Modern day politics has taken society to the depths of despair - and this is our only saviour. The last bastion of feel good left, that only chips can fulfil. This is a dangerous piece of kit, within 19mins or so those chunky chips are ready, which means you could be eating a lot more chips than you used to. I'll be honest, I'm not fussed with the multitude of different foods it can handle - chips are the be all and end all for me - however, those frozen bakes were baked to perfection. No more emptying the oven of oil pan and baking trays for two bakes and a few chips that you had to individually flip, which all meant you didn't end up going to the bother of emptying the oven in the first place. A half-time shake is all you need for the chips, and, you can get away with not flipping the bake as it sit's on the rack. No more heating the oil to the right temperature, overcooking the chips because you were on the phone or getting spat at - this is the easy way. There are a lot of brands to choose from but Ninja really do make good quality products so it was the natural choice for me, all though you can buy cheaper ones. The copper finish looks a lot better than the standard silver one, already have enough silver/grey items around, definitely stands out amongst the other kitchen gadgets. If you have the space, the larger ones come with the rack. Ending up buying one for family, but they only have enough space for the smaller one - which doesn't have the rack option - glad I have the space, having now used both, the rack is definitely worth having. Chips underneath, bake on top - the biggest loser in all of this is probably Greggs ... except when you have to work away, but working from home, this is awesome. The contents of your freezer is going to change - that second bag of frozen chunky chips is going to evict something else :) HOWEVER, if there is one issue with this air fryer, it's the Temp & Time buttons. They are too close to the menu selection wheel and you have to press them with your finger sideways, you can't comfortably press them directly, as you can with the other ones. It is annoying.
N**A
Came with UK plug with no adapter for Australia
Came with UK plug with no adapter for Australia
H**.
The look
The gold has already come off the logo Very unhappy with this product
A**B
Great buy
Brilliant air fryer, couldn’t be without it. Looks great too
S**O
Not worth the money
Stopped working after 4 months, do not recommend
N**Z
item needs to be supplied with electrial complance in mind
appliance has been supplied with wrong power plug UK design not AUS appliance can not be used What do i do now please advise.
Trustpilot
2 weeks ago
2 weeks ago