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Automotive

Schumacher SE-4020 10/40/200 Amp Wheel-Style Charger/Starter,black

Automotive4.3· 249 Amazon ratings

Bias-adjusted across 249 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Automotive.

44.6%
Percentile · Global
47.8%
Percentile · Cohort
Automotive
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Schumacher SE-4020 10/40/200 Amp Wheel-Style Charger/Starter,black

How the score was built

Amazon ratings
249

used for the Bayesian percentile

Raw star average
4.3 / 5

unadjusted Amazon mean

Bayesian avg
4.30

raw rating shrunk to the category prior

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Same category · Automotive

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