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20W Solar Light FM Radio Bluetooth LK-3111
Brand: Generic / OEM
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Audited BOM: 13 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 low efficiency of the charge controller (ENG-001) and the low-quality battery (ENG-004) prevent the solar panel (COMP-001) from adequately charging the battery (COMP-002), resulting in charging failures and very short autonomy, as reported by customers (REV-001, REV-003) and evidenced in RMAs (RMA-001, RMA-004).
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