The Amazon Renewed Ninja PB051 offers dual-input brewing, K-Cup pods or ground coffee, at $79.95, and its 4.2-star average from 362 reviews suggests the renewed units are performing well for buyers who are comfortable with the certified-refurbished trade-off.
Value-conscious buyers who want Ninja's dual-brew functionality but are willing to buy a certified-renewed unit to save money. Good for a secondary machine or anyone upgrading from a cheaper single-mode brewer.
Skip if
You want a brand-new machine with a full manufacturer warranty, or you are buying for someone who may be uncomfortable with a renewed product. Also skip if you need verified dishwasher-safe parts, that is not confirmed in the specs.
Type Drip Coffee Machine
Coffee input Pods And Grounds
Pods K-Cup
Filter Reusable
Operation Fully Automatic
Controls Buttons
Priced 47% below the category median ($150.00 across 44 tracked models)
Our scorecard
4.2/5overall
Owner rating4.2/5
4.2 average across 362 owner ratings
Popularity1.8/5
362 owner reviews, fewer than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other coffee makers, kettles and brewers we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
The Ninja PB051 in its renewed form brings the useful combination of K-Cup pod compatibility and ground coffee brewing to a $79.95 price point. It operates fully automatically with button controls, runs on standard 120V AC power, and fits a reasonable countertop space at 5.51 x 5.51 x 13.31 inches. A reusable filter is included for ground coffee mode.
The 'Amazon Renewed' designation means this is a seller-certified refurbished unit, inspected and backed by an Amazon Renewed Guarantee. Buyers effectively get Ninja's dual-brew system at a discount, accepting that the machine has a prior use history. With 362 reviews at 4.2 stars, the renewed units are landing well enough that a majority of buyers are satisfied.
Weight is not listed, which makes it hard to judge portability. Wattage is also absent from the specs, so heat-up speed relative to 1500W competitors is unknown. The color is black, and the plastic build is standard for this segment. For buyers who do their research and understand the renewed model, this is a practical option.
Pros
Brews both K-Cup pods and ground coffee
4.2 stars from 362 renewed-unit buyers is a reassuring score
Priced at $79.95, lower than a new equivalent unit
362 reviews is a moderate sample for renewed listings
Performance notes
Fully automatic button operation keeps the interface simple. The dual-input design (pods and grounds) with a reusable filter makes it more flexible than pod-only machines. Without wattage data, heat-up time cannot be compared directly to wattage-rated competitors.
What buyers say
Buyers of renewed units are generally a self-selected group who are already comfortable with refurbished products, which may inflate scores slightly. At 4.2 stars across 362 reviews the Ninja PB051 renewed units appear to be well-inspected and performing as expected. Negative reviews typically cite cosmetic wear rather than functional failure.
Amazon Renewed products are certified refurbished units that have been inspected and tested to work and look like new. They come with an Amazon Renewed Guarantee, if the product does not work as expected, Amazon offers a replacement or refund.
Does this machine accept all K-Cup pod sizes?
The listing confirms K-Cup pod compatibility. Standard K-Cup sizes should work, but specific brew-size options are not detailed in the available specs.
Can I brew ground coffee and pods on the same machine without switching parts?
The Ninja PB051 is designed for both inputs, but switching between modes typically requires swapping the filter basket or pod holder. Consult the included instructions for the exact changeover steps.
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