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Unverified88% confidenceTradeoffTime unknown

相比一次性电池款净水笔，USB充电设计在多日无电源的偏远徒步中可能成为短板，需额外携带充电宝

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Unverified采用内置锂电池USB充电设计，不支持更换干电池，长途无电环境需搭配充电宝使用91% similar Unverified内置USB充电口为外接线路设计，本身不含电池，需自备充电宝放入包内才可使用充电功能90% similar UnverifiedUSB供电设计意味着必须搭配充电头或充电宝使用，机身本身无内置电池90% similar UnverifiedUSB充电设计免去携带专用充电底座，但充电速度较慢，临行前忘充电可能来不及补电90% similar UnverifiedUSB充电方式免去购买燃料或更换电池的麻烦，但多日露营需注意提前充满或携带充电宝90% similar

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