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Unverified80% confidenceTradeoffTime unknown

便携尺寸与续航时长互相制约，超小巧机型电池普遍＜500mAh续航多在8小时内，追求15小时以上续航必然牺牲便携性

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Unverified续航时长与体积/重量成正比，大电池长续航必然增重；追求超便携（＜150g）通常牺牲续航（多在6小时内），需在通宵播放与便携间取舍93% similar Unverified续航时长与体积重量存在权衡：宣称20小时以上续航的便携机型往往电池更大更重，纯出差过夜使用8-10小时续航即够，无需为超长续航牺牲便携性92% similar Unverified续航与便携矛盾：大电池续航长但机身重且充电慢，短途出行选可用整夜（≥8小时）即可，无需追求几十小时超长续航91% similar Unverified续航与重量互相制约：大容量电池增加机身重量，日常使用每次10-15分钟，续航2小时（约6-8次使用）足够，追求超长续航会牺牲握持轻便性90% similar Unverified便携与续航存在权衡：越小巧的发射器电池越小，续航常仅3-5小时，跨洋长途（10小时以上）需选支持边充边用（充电时可传输）的型号或续航≥8小时款90% similar

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