Electronics > Accessories > Portable Electronics > Portable Power > Power Banks
30000mAh 22.5W Portable Power Bank KA-9896
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
The lack of an effective heat sink (ENG-001) leads to battery overheating (COMP-001), resulting in perceived user overheating (REV-002) and RMA for overheating (RMA-002).
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