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Ninja SL400UK Double Stack XL 9.5L 6-in-1 Dual Air Fryer - Grey

SKU: SL400UK Quickfind Code: 1935098
You save: €48.75
309.97
Refurbished from €260.97 »

Why buy me

  • 2 Vertical 4.75L stacked drawers to save on worktop space
  • 9.5L capacity, perfect for up to 8 people
  •   Cook on 4 levels at once with the Stacked Meal rack inserts
  • Up to 55% faster than a fan oven
  • 6 Functions: Air Fry, Roast, Bake, Dehydrate, Reheat and Max Crisp
  • Designed to fit under cabinets: H 38.5 x W 28 x D 47 cm
  • Sync: ensures both drawers finish cooking at the same time
  • Free 2-year guarantee upon registration (UK & ROI only)
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Standout Features

Double Stack Air Fry Technology

Double Stack Air Fry Technology

Experience smarter cooking with the Ninja Double Stack XL Air Fryer. This clever design features 2 x 4.75L vertical, stacked drawers that deliver the same generous capacity as a traditional dual-drawer air fryer — while taking up less space on your countertop.

At just 38.5cm tall, it’s slim enough to fit neatly under kitchen cabinets, helping you keep your worktops clear and clutter-free. Perfect for families and entertaining, the Double Stack design lets you cook mains and sides together, batch cook more in one go, and enjoy healthier, faster meals in a compact footprint.

6 Cooking Functions

6 Cooking Functions

With 6 versatile cooking functions, the Ninja Double Stack XL makes it easy to find the perfect setting for every meal. Choose from Air Fry, Roast, Bake, Dehydrate, Reheat, and Max Crisp to enjoy everything from crispy chips and juicy roasts to fresh-baked treats and healthy snacks.

Thanks to independent drawer controls, you can mix and match cooking functions, times, and temperatures in each drawer. That means roasting chicken in one while crisping fries in the other — or baking a dessert while reheating leftovers. Whatever’s on the menu, both drawers finish cooking at the same time, so you can serve a complete meal without compromise.

Cook 4 Foods at Once

Cook 4 Foods at Once

Cook more in less space with the Stacked Meal Rack inserts, letting you prepare food on 4 levels at the same time. Thanks to 360° air circulation, every bite comes out evenly cooked and perfectly crisp — no matter which level it’s on.

Layer chicken nuggets over fries in one drawer while roasting salmon fillets with asparagus in the other, and enjoy a complete family meal in one easy cook. Whether it’s weeknight dinners, party platters, or meal prep, the multi-level air fryer design saves time, energy, and counter space.

Feeds up to 8 People

Feeds up to 8 People

Cook family dinners faster and easier with the Ninja Double Stack XL. This dual drawer air fryer cooks meals up to 55% faster than fan ovens, so you can get dinner on the table in no time. Each spacious drawer fits a whole 1.4kg roast chicken, making it perfect for large families, meal prepping, or entertaining guests.

With the clever SYNC function, you can set different cooking times, temperatures, and functions in each drawer — and still have both finish at the same time. That means mains and sides are always served hot, fresh, and ready together.

Ninja Double Stack XL 2-Drawer Air Fryer – Slim, Spacious & Energy Efficient

Only Ninja brings you Double Stack Air Fry Technology – giving you the same generous capacity as traditional dual-drawer models, but in a design that’s 30% slimmer than the AF400. Perfect for kitchens where counter space matters, the Ninja Double Stack XL air fryer makes it easy to cook more while taking up less room.

Not only is it space-saving, it’s also energy-efficient, using up to 55% less energy than a conventional oven†. That means faster meals, lower bills, and healthier results with little to no oil.

Cleaning is effortless too – the non-stick drawers, crisper plates, and wire racks are dishwasher-safe, so you spend less time scrubbing and more time enjoying your food.

For added peace of mind, every Ninja Double Stack XL comes with a 2-year guarantee upon registration (UK & ROI only).


Why Choose the Ninja Double Stack XL?

  • 30% Slimmer Design – saves counter space without losing capacity.

  • Double Stack Technology – cook multiple layers of food evenly.

  • Energy Smart – up to 55% less energy than oven cooking†.

  • Family-Friendly – feed more people in less time.

  • Easy to Clean – dishwasher-safe drawers and racks.

  • Reliable – 2-year guarantee included.


👉 Upgrade to the Ninja Double Stack XL Air Fryer — the slim, powerful, and energy-saving way to cook for the whole family.

 

Key Information

Brand Ninja
Colour Black
Fryer Type Air Fryer
Capacity 9.6L
Power 2400W
Warranty 2 year warranty

Programmes

Programmes 6
Air Fry
Bake
Max Crisp
Reheat
Roast

Dimensions

Height 39cm
Width 28cm
Depth 47cm
Weigth 10.3kg

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