Electronics > Portable Audio & Accessories > Portable Speakers > Bluetooth Speakers
EL-1091 500W Bluetooth Speaker 18000mAh Battery 2 Wireless Microphones
Brand: Generic / OEM
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Audited BOM: 9 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 and a simplified BMS (ENG-002) leads to rapid capacity degradation and failure to hold charge (RMA-001), resulting in consumer complaints about short battery life (REV-001).
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