Unverified86% confidenceTradeoffTime unknown
亮度越高越费电且发热大，光效（流明/瓦）和散热设计比峰值流明更重要；日常夜跑200流明足够，追求千流明反而牺牲续航和重量
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86%
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Unverified流明越高续航越短且发热越大：1000+流明头灯持续高亮时灯头发烫需散热降档，日常徒步/露营选300-500流明最高档即可兼顾续航与够用86% similarUnverified亮度越高越费电且发热越大，一体式灯珠机型高亮档连续使用易过热降频；需要长续航就接受牺牲峰值亮度86% similarUnverified越野跑/夜跑选头灯优先看近光泛光而非最大流明，200-400流明泛光模式已足够照亮脚下路面，盲目追求1000+流明远射反而牺牲续航和重量84% similarUnverified亮度越高越耗电、发热越大、续航越短。应急灯不必盲目追求1000+流明，300-500流明配合聚光已够远距离求救，日常维修200流明泛光足够84% similarUnverified流明越高越亮但续航越短且发热更严重、灯体更重，日常营地和步道行走用低档100流明即可获得数十小时续航，不必为峰值亮度买单83% similar
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