Unverified90% confidenceCautionTime unknown

C-A线(USB-A转C)受A口协议限制，无法走PD协议，最高约18-27W，不要用C-A线期待给笔记本或手机满血快充

1

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90%

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Long-term

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快充数据线category

Related Claims

Unverified多口充电器的USB-A口通常为QC协议且功率上限较低（多为18-22.5W），无法给苹果设备PD快充。若已全面切换USB-C设备，应选纯C口机型避免为闲置A口牺牲C口功率78% similar Unverified手机快充需支持PD/QC协议，单口USB-C输出≥18W（9V/2A）才能触发主流手机快充；仅5V/2.4A的USB-A口只能慢充78% similar

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