Health & Household > Wellness & Relaxation > Massage & Therapeutic Equipment > Massage Guns
30W 6-Speed Electric Massage Gun EL-1940
Brand: Generic / OEM
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Audited BOM: 8 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 lithium-ion battery cells (COMP-002) and a charging circuit (PCB) with a deficient BMS (ENG-002) leads to rapid battery degradation or circuit failure, resulting in the product's inability to charge or power on (RMA-001), as reported by consumers (REV-001).
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