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Patio, Lawn & Garden

20W 18V Solar Panel Fan kit + 2 Fans, Dual USB Portable Solar Powered Fan for Chicken Coops, Greenhouses, Sheds, Pet Houses, Window Exhaust

Patio, Lawn & Garden3.5· 403 Amazon ratings

Bias-adjusted across 403 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Patio, Lawn & Garden.

3.5%
Percentile · Global
4.0%
Percentile · Cohort
Patio, Lawn & Garden
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20W 18V Solar Panel Fan kit + 2 Fans, Dual USB Portable Solar Powered Fan for Chicken Coops, Greenhouses, Sheds, Pet Houses, Window Exhaust

How the score was built

Amazon ratings
403

used for the Bayesian percentile

Raw star average
3.5 / 5

unadjusted Amazon mean

Bayesian avg
3.66

raw rating shrunk to the category prior

Reviewer-graph z
-0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Patio, Lawn & Garden

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