K KYUER 42Wh B31N1732 Batterie pour Asus Vivobook S14 S430FA S430FN S430UA S430UAN S430UN S430UF K430F K430FA K430U V430U X430U X430UA X430UN X430UF X430FA X430FN FX571GT FX571LH FX571LI F571GD F571GT
Review Analysis Results
Analysis Summary
The review set shows mixed authenticity signals. Positive aspects include natural language variation across reviews, specific technical details about battery performance, and realistic negative experiences. However, several concerning patterns emerge: 1) Extreme polarization with 8 five-star reviews (61.5%) and 3 one-star reviews (23.1%) creating a suspicious bimodal distribution, 2) Multiple very brief 5-star reviews with generic phrases like 'Conforme' and 'COMFORME A LA DESCRIPTION' that lack substantive detail, 3) One review appears duplicated (RN9Q4MN4R9V5X) with identical text in both verified and unverified versions, 4) Several reviews contain spelling/grammar errors that could indicate non-native writing or rushed content. The moderate fake percentage reflects these concerns while acknowledging that many reviews appear genuine with specific usage scenarios and realistic performance descriptions.
Review Statistics
About Review Data Collection
We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.
Want to analyze more reviews? Install the Null Fake Chrome extension to capture and analyze additional reviews as you browse Amazon.
Free, quick to install, and works on Chrome, Edge, Brave, and other Chromium browsers.
Price Analysis
Price analysis pending
Price insights will be available shortly.
Understanding This Analysis
What does Grade C mean?
This product has moderate review authenticity concerns. A notable portion of reviews show suspicious patterns. Consider reading reviews carefully before purchasing.
Adjusted Rating Explained
The adjusted rating (3.40 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (3.93 stars), suggesting positive fake reviews may be inflating the score.
How We Detect Fake Reviews
Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.
Important Limitations
No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.
