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Amazon.com > Cell Phones & Accessories > Accessories > Maintenance, Upkeep & Repairs > Replacement Parts > Batteries
Anker Portable Charger, PowerCore Essential 20000mAh Power Bank with PowerIQ Technology and USB-C...
More product info
From Anker
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Note: We only analyze "reviews" and ignore one-tap "ratings".
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Top products in Batteries with authentic reviews:
Report Card
Pass Overall Grade
FAIL 
Deleted Reviews
Deleted ReviewsWARN Rating Trend
Rating TrendWARN Suspicious Reviewers
Suspicious ReviewersPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Phrase Repetition
Phrase RepetitionPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsN/A Reviewer Participation
Reviewer Participation
Most Trusted Reviews
Just a tad heavy but it charges my iPad and ... [Go to full review]
Apr 25, 2022
100%
TRUST
TRUST
-
Unverified Purchaser
-
Overlapping Review History: reviewed 1 of 9 top products -
Critical Reviewer (avg. rating: 2.7)
Take-Back Reviewer (3 deleted Reviews; avg. rating: 4.7)
Least Trusted Reviews
Absolutely awesome powerbank. Totally a must have for all the ... [Go to full review]
Nov 6, 2019
49%
TRUST
TRUST
-
Verified Purchaser -
Created on a high volume day
-
Easy Grader (avg. rating: 5.0)
Brand Repeater (2 of 28 reviews for this brand; avg rating: 5.0)
One-Hit Wonder
Analysis Details
Fail Deleted Reviews
Deleted Reviews
We discovered a total of 4 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.
5.0 average rating of deleted reviews
Warn Rating Trend
Rating Trend
It appears that several reviews were created during just a short period of time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Warn Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
Approximately 25% of reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, the discrepancy in ratings between the Take-Back Reviewers and reviewers who don't have any deleted reviews in their history isn't significant enough to rule out the possibility of it being due to random chance.
Pass Unverified Purchases
Unverified Purchases
63 of the 51,103 total reviews for this product are unverified purchases. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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.
Pass Word Count Comparison
Word Count Comparison
-
- <10%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
Common Phrases in Reviews:
~6% of reviews
(5.0/5)
(5.0/5)
~6% of reviews
(3.0/5)
(3.0/5)
-
- <10%
- Used substantial repetitive phrases
Less than approximately 10% of reviews use substantial repetitive phrases between them. 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 Phrase Repetition test.
Read more about our Phrase Repetition test.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
<10% also reviewed:
Hermitshell EVA Hard Protective Travel Case... by Hermitshell
<10% also reviewed:
Zippo Refillable Hand Warmers by Zippo
<10% also reviewed:
ARAMIS by Aramis After Shave Balm (Advanced... by Brand: ARAMIS
<10% also reviewed:
NICREW ClassicLED Aquarium Light, Fish Tank Light... by NICREW
<10% also reviewed:
TOZO T10 Bluetooth 5.3 Wireless Earbuds with... by TOZO
Does not include products
from the same brand
from the same brand
Approximately 15% of 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.
Pass Reviewer Ease
Reviewer Ease
The ease score is the average rating for all reviews that a given reviewer submits. The average ease score for reviewers of this product is 4.2, while the average ease score for reviewers in this category is 4.2.
4.2 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
Less than approximately 10% of reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Incentivized Reviews
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
-
- <10%
- Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.