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4000mAh Solar LED Emergency Light DP-7167
Brand: Generic / OEM
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Audited BOM: 6 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The choice of low-quality battery cells (COMP-001) combined with an inadequate protection circuit (ENG-001) leads to premature capacity degradation and battery failure, resulting in complaints that the battery doesn't hold charge (RMA-001) and the product stops working (REV-001, REV-005).
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