Electronics > Portable Audio & Accessories > Portable Speakers > Bluetooth Speakers
Portable Bluetooth Speaker 10W Digital Display RGB LED EL-1017
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 use of generic battery cells (COMP-003) combined with a charging circuit lacking adequate protection (ENG-003) leads to overcharging/deep discharge, resulting in rapid capacity degradation and battery swelling, as reported in RMA-001 and REV-001.
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