Beauty & Personal Care > Personal Care Appliances > Shavers & Grooming > Hair Clippers & Trimmers > Cordless Hair Clippers
MAG-030 Cordless Hair & Beard Trimmer, USB Rechargeable
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 low-cost lithium-ion batteries without an adequate management system (BMS) (ENG-002), combined with a simplified charging circuit on the PCB (ENG-004), leads to premature battery failure, inability to charge, and rapid degradation of runtime, resulting in an inoperable product (RMA-001, RMA-003) and consumer frustration (REV-001, REV-003).
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