Unverified83% confidenceCautionTime unknown
多日无电源补给的长线徒步不建议只买内置锂电USB-C充电头灯，低温下锂电续航大幅衰减且无法更换，应选可换电池型号或额外带充电宝
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Long-term
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Unverified多日无补给的长线徒步不建议选纯内置充电（USB-C）头灯，无充电条件时会彻底失效，应选支持可换电池的机型并携带备用电池93% similarUnverified内置锂电不可更换，长途多日行程中无法换电池，只能依赖USB-C充电；如果行程中无法补电，考虑可换电池的头灯更合适92% similarUnverified多日无补给徒步/探险不建议选内置不可换锂电的USB-C充电头灯，应选支持18650可换电池的型号，可携带备用电池而不依赖充电91% similarUnverified内置锂电USB-C充电轻便但无法野外快速续航；可换18650/AA电池的头灯重且贵，但适合无电源的多日线路——短途选内置，多日无补给选可换电池91% similarUnverified多天无补给的长线徒步/极寒环境不建议只带内置充电款头灯，无法现场换电且低温下锂电续航骤降，应选可换干电池款90% similar
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