Unverified90% confidenceFactTime unknown

选购时看机身印刷的Wh值最准确，若只标mAh需自行换算：Wh=mAh×3.7V÷1000；20000mAh锂电芯约74Wh，安检以Wh为准而非mAh标称

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Unverified电池容量看瓦时（Wh=电压V×容量Ah）而非单看Ah，48V 10Ah=480Wh，比36V 10Ah（360Wh）续航多约33%，跨电压比较必须换算成Wh79% similar Unverified容量换算：mAh标称按3.7V电芯计算，Wh=mAh×3.7÷1000；20000mAh约74Wh，实际PD输出因电压转换损耗，笔记本可用能量约为标称的85%左右73% similar

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