Anker PowerCore 5000, Ultra-Compact 5000mAh External Battery with High-Speed Charging Technology,...
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From Anker
Refresh the report to view the most up-to-date data available:
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Most Trusted Reviews
TRUST
- Verified Purchaser
- Take-Back Reviewer (3 deleted Reviews; avg. rating: 1.0)
- Critical Reviewer (avg. rating: 2.8)
Least Trusted Reviews
TRUST
- Unverified Purchaser
- Contains repetitive phrases (show)
- Never-Verified Reviewer
- Single-Day Reviewer (posted all reviews on Jun 29, 2016)
- Brand Monogamist (2 of 2 reviews for this brand; avg rating: 4.5)
- Easy Grader (avg. rating: 4.5)
Analysis Details
We discovered a total of 57 deleted Reviews for this product, with an average rating of 5. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
- We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
- We have no information on reviews that were never published in the first place.
- We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.
63 of the 546 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.9 while the verified purchasers have rated this product an average of 4.7. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.
Brand Repeaters
224 of the 546 reviewers have reviewed other products for this brand. While this is more Brand Repeaters than we'd expect to see, the discrepancy in ratings between the Brand Repeaters and non-repeaters isn't significant enough to rule out the possibility of it being due to random chance.
Brand Loyalists
35 of the 546 reviewers have reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.
Brand Monogamists
13 of the 546 reviewers have reviewed multiple products, but only for this brand. This is an excessively large percentage of Brand Monogamists which may indicate unnatural reviews.
Never-Verified Reviewers
34 of the 546 reviewers have never written a verified purchase review. The Never-Verified Reviewers have rated this product an average of 5.0 while the reviewers who have written at least one verified purchase review rated this product an average of 4.7. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(4.9/5)
(4.9/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(5.0/5)
(4.9/5)
(5.0/5)
29 of the 546 total reviews for this product use substantial repetitive phrases between them. These reviewers have rated this product an average of 5.0 while reviews without substantial repetitive phrases rated this product an average of 4.7. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
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- 3%
- Created over 4 days
We counted 546 reviews for this product over the span of 1,922 days, an average of 0.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day.
However, we see the following 4 days exceeding this threshold:In total, we found that 17 reviews were created on just 4 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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- 0%
- Have an overrepresented word count
Read more about our Word Count Comparison test.
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from the same brand
67 of the 546 reviewers have substantial overlapping product review history. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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- 0%
- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.
4.5 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
15 of the 546 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.