Electronics > Portable Electronics > Portable Power & Charging > Portable Power Banks
20000mAh 45W Portable Power Bank with LED Display MM-CDB341
Brand: Generic / OEM
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Audited BOM: 10 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Overheating (ENG-001) caused by simultaneous charging overloads the charge controller (COMP-002), leading to premature device failure (RMA-001) and customer dissatisfaction (REV-001, REV-002).
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