
PIQSY verdict
nutribullet Flip
Think about a long commute, a day at the office, or a trip where a smoothie should still be cold by lunchtime. The nutribullet Flip is a different proposition from a regular rechargeable blender.
US modelNBPB50350AK
Best fit
- cold retention matters enough to justify the heavier tumbler and charging routine.
- Smoothie routines
Skip if
- You want the lightest possible portable blender, need a large pitcher, or don't want to carry the motor and accessories.
Biggest reason to buy
The nutribullet Flip is a different proposition from a regular rechargeable blender.
Main compromise
Its insulated tumbler adds carrying weight and a battery-charging routine.
Last checked price
$49.99
Amazon rating
★ 4.0 · 1,163 ratings
Amazon.com snapshot · Nov 3, 2026
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What matters
Why it earns consideration — and why you might skip it.
Decision snapshot
Choose it for
Commuters who want to blend a smoothie away from an outlet and keep it cold in an insulated drinking tumbler.
Know before buying
You want the lightest possible portable blender, need a large pitcher, or don't want to carry the motor and accessories.
Best fit: Commuters who want to blend a smoothie away from an outlet and keep it cold in an insulated drinking tumbler.
Skip it if: You want the lightest possible portable blender, need a large pitcher, or don't want to carry the motor and accessories.
The quick answer: The nutribullet Flip is a different proposition from a regular rechargeable blender. Its 20-ounce stainless-steel insulated cup and hybrid blade-lid assembly combine blending and drinking in one package. It's convenient if cold drinks matter, but the exact black US kit weighs roughly 3.45 pounds—more than double the lighter nutribullet Portable Blender.
Who it fits
Think about a long commute, a day at the office, or a trip where a smoothie should still be cold by lunchtime. A regular portable blender makes the drink convenient; the Flip also addresses temperature retention. nutribullet describes the insulated steel cup as keeping contents cold for up to 24 hours under its stated conditions.
That doesn't mean every smoothie will remain perfectly chilled in a hot car for an exact day. It is an insulation claim, not a substitute for safe food storage. Perishable dairy, protein ingredients, and blended fruit still need appropriate handling. Use the insulated feature for convenience, not as permission to ignore food safety.
The selected US black version is NBPB50350AK. Its kit includes the 20-ounce cup, hybrid motor/blade/lid assembly, dual drinking lid with sip and straw options, charging accessories, a protective blade cover, straw, and brush. That's more equipment than the simplest portable blender, so plan where it will go.
What changes the decision
Insulation changes the journey after blending
The steel tumbler is the headline reason to choose Flip. For someone who blends at 7 a.m. and drinks much later, keeping the drink cool may be more valuable than the blender's program count. If you always drink it immediately, insulation might be a feature that adds weight without providing much benefit.
The manufacturer markets up to 24 hours of cold retention. Actual results depend on the starting temperature, how often the lid is opened, ambient conditions, and the drink itself. Don't interpret the number as independently tested refrigeration performance for perishable ingredients.
A stainless-steel vessel also means you can't see the contents while blending in the same way as a clear plastic cup. Pay attention to ingredient amounts and follow instructions for using the lid and blade assembly.
A hybrid lid simplifies the transition to drinking
nutribullet describes a blade-and-lid system that lets you blend, flip, and sip without transferring the drink to a different cup. That's a genuine convenience if you're trying to reduce pouring, spills, and cleanup while away from home.
The manufacturer includes a straw and a sip-and-straw lid. You'll still need to handle and clean the blade assembly safely, especially after a thick smoothie. A simplified transition doesn't make the sharp hardware disappear.
Always follow the model's orientation, assembly, and safety instructions. The fact that you can use the vessel as a tumbler is not a reason to bypass proper locking or cleaning.
Rechargeable doesn't mean weightless
The Flip uses a USB-C rechargeable 11.1-volt battery system. That's a different configuration from the lighter nutribullet Portable, which uses a 7.4-volt base. The voltage difference should not be treated as a measured smoothie quality score. It identifies the electrical design, not how smooth a particular drink becomes.
At approximately 3.45 pounds, Flip is a substantial item to carry with a lunch bag or backpack. The lighter nutribullet Portable is listed around 1.63 pounds. If you care most about weight while hiking or traveling, that difference can reverse the recommendation.
If you don't need to blend until you reach an outlet, a plug-in personal blender with a travel cup may offer simpler everyday ownership. You'll avoid managing the state of charge during the week.
Frozen ingredients need realistic preparation
nutribullet markets the Flip's motor as built to work with frozen ingredients. That is useful for smoothies and shakes, but not proof that it handles every dense frozen fruit mixture or ice-only job better than competing models.
Use the recommended liquid amount, follow the instructions for ingredient size, and keep the cup within its permitted fill. Very thick mixtures may require additional cycles or adjustment. We don't have a matched independent performance test of this exact black US model against the standard nutribullet Portable.
The product is not a large hot-blending pitcher. Don't treat insulation and a sealed drinking lid as authorization to blend steaming soup. Temperature and pressure restrictions still apply.
Cleaning and charging belong in the routine
The standard package includes a cleaning brush, blade cover, charging block, and cable. That's helpful for managing a product with an integrated blade/lid assembly. It also means you should plan how to dry and store the pieces between uses.
nutribullet recommends using water and a little soap for routine cleaning, with specific instructions about which components can be washed and which electrical parts must stay dry. Do not immerse the motor assembly or assume the entire assembled unit is dishwasher-safe.
The one-year warranty and exact included accessories are matters to confirm at purchase. Retailer photos may show different colors or editions. The black NBPB50350AK is the version whose identity has been established here.
Owner views
Owner feedback still developing
Owner feedback is still developing, so PIQSY is not presenting a consensus yet.
Who should choose something else
Choose the standard nutribullet Portable if you want a much lighter, simpler rechargeable blender and can do without an insulated steel tumbler. It is better suited to someone who drinks immediately after blending or doesn't need extended cold retention.
Choose the Ninja BlendBOSS 26-ounce tumbler blender if you only need portability after blending. It uses a wall-powered base, so you can't make a new smoothie without an outlet. Its larger cup and plug-in workflow suit a different daily routine.
For a thick frozen bowl or repeated large smoothies, look at a countertop machine intended for those recipes. Portable tumblers are convenient, not universal replacements for a family blender.
PIQSY conclusion
The nutribullet Flip makes sense when two needs overlap: blend away from an outlet and carry a cold drink afterward. Its insulated cup and integrated drinking design are real conveniences.
Buy it if cold retention matters enough to justify the heavier tumbler and charging routine. Skip it if low weight or household batch capacity matters more. Verify the exact NBPB50350AK kit and current seller terms before buying; insulation and battery marketing aren't independent performance guarantees.
Technical detail
Specifications
See full specifications
| Product | nutribullet Flip |
|---|---|
| US model | NBPB50350AK |
| Brand | NutriBullet |
| Color | Black |
| Special Feature | Cordless |
| Capacity | 1.3 pounds |
| Product Dimensions | 3.87"D x 4.25"W x 9.12"H |
| Brand Name | NutriBullet |
| Included Components | Motor Base and Blade, 20 oz Insulated Cup (Black), Charging Block and Charging Cable, Blade Cover, Dual To Go Lid with Handle, Stainless Steel Straws, Cleaning Brush, User Guide, Recipe Guide |
| Recommended Uses For Product | Blending |
| UPC | 810097975378 |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Container Count | 1 |
| Manufacturer | nutribullet |
| Item Type Name | nutribullet Portable Blender |
| Model Number | NBPB50350AK |
| Part Number | NBPB50350AK |
| Warranty Type | Limited warranty |
| Other Special Features of the Product | Cordless |
| Power Source | Battery Powered |
| Wattage | 120 watts |
| Number of Speeds | 1 |
| Voltage | 11.1 volts |
| Control Type | Manual |
| Item Dimensions D x W x H | 3.87"D x 4.25"W x 9.12"H |
| Material | Stainless Steel |
| Blade Material | Stainless Steel |
| Container Material | Stainless Steel |
| Style | Insulated Cup |
| GTIN | 810097975378 |
Amazon.com technical listing observed Nov 3, 2026. Confirm exact configuration with the manufacturer.
Final decision
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Amazon.com · Checked Nov 3, 2026
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Our research approach
How to interpret the product details.
Our research approach
How to interpret the product details.