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Ninja DoubleStack XXXL 9.5L 2 Drawer Air Fryer SL400
4.3 From 1120 reviews
$449
$150.99 (25%) off RRP of $600
$150.99 (25%) off RRP of $600
Ninja DoubleStack XXXL 9.5L 2 Drawer Air Fryer SL400
4.3 From 1120 reviews
$449
$150.99 (25%) off RRP of $600
$150.99 (25%) off RRP of $600
Enter your postcode for delivery and installation info:
Ninja DoubleStack XXXL 9.5L 2 Drawer Air Fryer SL400
$449
$150.99 (25%) off RRP of $600
$150.99 (25%) off RRP of $600
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Overview
Specifications & manuals
Reviews
Legendary service
Delivery, services & returns
Questions & answers
Overview
0:30
The Ninja DoubleStack XXXL 9.5L 2 Drawer Air Fryer SL400 is a game-changer in kitchen convenience, combining space-saving innovation with powerful performance. Featuring Doublestack Air Frying Technology, this air fryer lets you cook up to four foods simultaneously, ensuring crispy, even results across multiple layers. Its stacked design not only maximizes cooking capacity but also reduces counter space usage, fitting neatly under standard cabinets. With Smart Finish & Match Cook, you can prepare different foods with different settings and have them finish cooking at the same time, or sync settings across both drawers for large-batch cooking. The XXXL 9.5L capacity is perfect for feeding up to eight people, accommodating two whole chickens with ease. Versatility is key with six cooking functions, allowing you to air fry, max crisp, roast, bake, reheat, and dehydrate. Achieve healthier meals with up to 75% less fat than traditional frying methods, while enjoying faster cooking times that beat other air fryers—ideal for busy family dinners. Cleanup is a breeze, thanks to easy-to-clean drawers and dishwasher-safe crisper plates.
DoubleStack Technology
Doublestac Air Frying Technology features two removable stacked meal racks per drawer, allowing you to cook four foods simultaneously. Superheated air circulates evenly around each item, delivering consistent crisping and perfectly cooked results in both baskets without extra oil.
Space Saving Design
The space-saving slim design is 30% slimmer than traditional two-drawer air fryers, maximizing counter space while doubling cooking capacity. It fits easily under kitchen cabinets, offering a compact yet powerful solution for preparing multiple dishes without sacrificing efficiency or performance.
6-in-1 Versatility
With 6-in-1 cooking functions, you can Air Fry, Max Crisp, Roast, Bake, Reheat, and Dehydrate, giving you endless meal possibilities. From crispy snacks to full-course meals, this versatile air fryer ensures perfect results for every craving with minimal effort.
Smart Finish & Match Cook
Smart Finish lets you cook two different foods with separate settings and have them finish simultaneously. Match Cook syncs settings across both zones for full 7.6L capacity meals, ensuring convenience, precision, and perfectly timed dishes for effortless family cooking.
Specifications & manuals
key Specifications
Brand
Ninja
Model Number
SL400
Height (mm)
385 mm
Width (mm)
286 mm
Depth (mm)
488 mm
Weight (kg)
10.2 kg
Finish Colour
Black
Finish Colour Description
Black with Silver Accents.
Food Capacity
9.5 kg
Accessories included
DoubleStack XXXL Air Fryer
(2) 4.75kg drawers
(2) Nonstick Crisper Plates
(2) Stacked Meal Racks
20 Recipes, Additional Meal Options & Cooking Charts

warranty
Manufacturer Warranty
2 Years
Use
Not intended or designed for commercial use.
additional Dimensions
Package Dimensions (H x W x D)
419 x 314 x 511
other Features
Features
DoubleStackAir Frying Technology: Two removable stacked meal racks allow cooking on two levels per drawer, letting you prepare four different foods simultaneously while ensuring even crisping with superheated air.

Space-Saving Stacked Design: At 30% slimmer than traditional two-drawer air fryers, this unit maximises cooking capacity while taking up nearly half the counter space and still fitting under standard cabinets.

Smart Finish& Match Cook: Smart Finish lets you cook different foods in each drawer while ensuring they finish at the same time, while Match Cook easily duplicates settings across both drawers for large meals.

XXXL 9.5L Family-Sized Capacity: With the ability to cook two whole 2.3kg chickens at once, this air fryer is perfect for feeding up to eight people, making it ideal for family dinners and meal prep.

6-in-1 Cooking Functions: Versatile cooking programs include Air Fry, Max Crisp, Roast, Bake, Reheat, and Dehydrate, offering multiple ways to prepare meals with one appliance.

Healthier Cooking with Less Fat: Enjoy crispy, golden results with up to 75% less fat than traditional deep-frying methods, making it a healthier option for favorite fried foods.

Faster Cooking for Quick Meals: Prepare two meals faster than any other air fryer, reducing wait times and helping you get dinner on the table in record time.

Easy to Clean: Both drawers and the crisper plates are dishwasher-safe, ensuring hassle-free cleanup after cooking.

Dual Independent Cooking Zones: Each drawer operates independently, allowing you to cook different foods at different temperatures and settings simultaneously without flavour crossover.

Even Crisp Technology: Ensures all-around crisping by circulating superheated air evenly, delivering restaurant-quality crunch on fries, chicken, and other favourites.

electrical Connection
Type of connection
10A plug & lead
Connected load
2.27 kW
Maximum current rating
9.3 A
country of Origin
Origin
China
Manuals
SL400 User Manual.
SL400 Quick Guide.
Reviews
Rating snapshot
5
801
4
118
3
71
2
43
1
87
Average customer rating
Overall
4.3
Appliances Online's customer reviews are independently managed by Bazaarvoice, ensuring their accuracy and honesty. Vouchers are sometimes offered to verified buyers in exchange for their unbiased review.
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What customers say
Generated by BazaarVoice HarmonyAI using customers reviews
The air fryer is a versatile kitchen appliance that allows users to cook multiple dishes at once. Many reviewers praised its large capacity and compact design, as well as its ability to sync cooking times for different foods. The appliance is easy to use and clean, and produces delicious, crispy results. However, some users reported issues with uneven cooking, where food at the front cooked faster than food at the back. A few also noted that the air fryer took longer to cook compared to other models. Overall, the air fryer offers great functionality and convenience, though some users experienced minor performance issues.
Pros
Air Extaction (5) Cooking (6) Cleaning (1) Satisfaction (5) Food (6) Ease Of Use (5)
Cons
Noises (3) Disappointing (5) Handle (5) Dings (5) Shortcoming (4)
1-3 of 1120 reviews
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Most Recent
Gail2026-06-25
Ninja stack XL
This ninja is so easy to use and the results are amazing
Originally posted on sharkninja.com.
Kevin2026-06-23
Ninja double stack air fryer
Excellent product easy to use and looks good a recipe book would be helpful to get newcomers started
Originally posted on sharkninja.com.
SamaraW2026-06-20
A space-saving air fryer that delivers big capacity and makes cooking complete meals effortless.
[This review was collected as part of a promotion.] I’ve loved using the Ninja Double Stack 9.5l air fryer. It’s very impressive! Its design is sleek and and kitchen space saving. The stacked design allows for a lot more counter space. I recently used it to make burgers and skin on fries, with broccoli. The independent drawers allowed me to cook different foods at different settings was so helpful. The sync function ensures everything finished cooking at the same time. I used the stacking rack to cook the fries and broccoli in the same drawer! There are so many functions, bake, roast, rehydrate! It’s brilliant. So much space for hosting big meals :)
Originally posted on influenster.com.
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The Appliances Online Net Promoter Score (NPS) is based on feedback from 89,897 people, collected between August 2024 to August 2025. Learn more about the Net Promoter Score (NPS).
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