Unverified90% confidenceCautionTime unknown
MagSafe充电器本身不含电源适配器,实现15W峰值必须搭配≥20W PD快充头,用5W老充电头只能跑到约5W
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UnverifiedMagSafe无线充电实际功率上限为15W(Qi2标准同样15W封顶),宣传更高瓦数的磁吸充电宝仅在有线口才能实现,无线部分不会超过15W82% similarUnverified磁吸功率与充电头强相关:15W磁吸充电器需搭配支持PD协议且输出≥20W(9V/2.2A或以上)的充电头,用旧的5W头会导致降速,购买时确认是否附带合适电源或需自备80% similarUnverified选择功率≥15W的充电板需配套QC3.0/PD协议充电头(≥18W输入),否则实际功率会被适配器限制降至5-7.5W79% similarUnverifiedMagSafe磁吸无线充电功率上限受苹果限制为7.5W(第三方)或15W(认证款),即使背夹标注20W也无法突破,指望快充回血应选支持有线PD快充的背夹75% similarUnverified无线充配套的充电头功率要匹配:15W无线充需要至少20W PD头,很多套装不含充电头或只配5W头,会导致降速到5-7.5W,购买前确认头的规格75% similar
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