Ninja (Refurbished) CO905KS Deluxe Kitchen System, 1600 WP Auto-IQ Base, 88-oz. Picther…
- Countertop Blender
- 1200 watts
- AC/DC
- Stainless Steel
- Better rated than 57%
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How it ranks among the 135 countertop blenders we track
4.5★ across 383 Amazon ratings, Bayesian-smoothed toward the category average.
383 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
905,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 135 countertop blenders we track - how the scorecard works · full countertop blenders data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 13, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Ninja CO905KS Deluxe Kitchen System pairs a 1600 watt Auto-IQ base with an 88 ounce pitcher, a 9 cup food processor bowl, and two 24 ounce single serve cups, sold here as a refurbished unit. It is built for households that want one motor base to cover blending, food processing, and personal smoothie cups.
The appeal is consolidation: rather than owning a separate blender and food processor, one base switches between attachments. Several reviewers upgraded from cheaper single purpose blenders that had burned out, and describe this as the step up that finally held up to daily use. The tradeoff several buyers flag is how many separate parts there are to store and clean.
- 1600W Auto-IQ base
- 88 ounce blending pitcher
- 9 cup food processor bowl
- Two 24 ounce single serve cups included
Who it's for
Fits a household already using a blender daily that wants to add food processing without a second motor base, and has the space for multiple attachments. Less suited to anyone who wants a single simple pitcher blender with minimal parts.
What buyers say
From Amazon customer reviews.
Owners who upgraded from cheaper blenders describe this as a lasting improvement, citing daily use for smoothies, egg salad, and shredding without the motor giving out. The most common complaint is cleaning: one reviewer called scrubbing the cheese grating disc and the base a real chore, and another was surprised to learn after paying full price that the unit was refurbished.
Strengths and trade-offs
Drawn from this product's published specifications.
- Cleaning the grating disc is difficult
- Many separate parts to store
- Runs loud during operation
- At least one buyer was not told upfront the unit was refurbished
Performance notes
Reviewers describe the Auto-IQ base handling daily smoothies and food processing tasks like egg salad and shredding without strain, and several call it a clear step up from cheaper blenders whose motors had previously failed. The tradeoff is volume and cleanup: the base runs loud, and parts like the grating disc and the base itself take real effort to get fully clean.
Specifications
| Brand | Ninja |
|---|---|
| Model | CO905KS |
| Dimensions & fit | |
| Item Weight | 12 pounds |
| Item Dimensions D x W x H | 10 × 12 × 14 inches |
| Power & efficiency | |
| Wattage | 1200 watts |
| Power Source | AC/DC |
| Voltage | 120 volts |
| Construction & materials | |
| Material | Stainless Steel |
| Blade Material | Stainless Steel |
| Color | Black |
| Included components | |
| Included Components | 88 oz pitcher, 72oz pitcher w/lid, feed chute lid with 2-part pusher, 6 blade assembly, 4 blade extractor, dough blade, 3 blade extractor, reversible slicing/shredding disc, grating disc, 24oz cup (2) w/ lids |
| Warranty & support | |
| Warranty Description | 90 days |
| Other details | |
| Is the item dishwasher safe | Yes |
| Recommended Uses For Product | Chopping, Grinding, Mixing, Ice Crush |
| Part Number | CO905KS |
Other Ninja countertop blenders
How it compares
This product against the closest alternatives we track in countertop blenders.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Ninja (Refurbished) CO905KS Deluxe Kitchen System, 1600 WP Auto-IQ Base, 88-oz. Picther…This product | 4.5 / 5 | 383 | 4.3 / 5 |
| NutriBullet NBR-1201 12-Piece High-Speed Blender/Mixer SystemNutriBullet | 4.5 / 5 | 26,800 | 4.6 / 5 |
| Margaritaville Bahamas Frozen Concoction Dual Mode Beverage Maker Home Margarita Machine…Margaritaville | 4.7 / 5 | 2,800 | 4.6 / 5 |
| Vitamix E310 Explorian BlenderVitamix | 4.6 / 5 | 5,483 | 4.4 / 5 |
| Breville BBL620SIL Fresh and Furious BlenderBreville | 4.5 / 5 | 2,671 | 4.4 / 5 |
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Questions about the Ninja CO905KS
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What comes with the Ninja CO905KS Deluxe Kitchen System?
A 1600W Auto-IQ base, an 88 ounce pitcher, a 9 cup food processor bowl, and two 24 ounce single serve cups.
Is this unit new?
No, this listing is for a refurbished unit; reviewers describe theirs arriving in tested, clean working condition.
Is it difficult to clean?
The pitcher and cups clean easily according to reviewers, but the food processor's grating disc and the base itself take more effort.