Unverified85% confidenceTradeoffTime unknown

流明越高续航越短且发热越大，选灯不应盲目追求最大流明，而应看常用中档亮度的续航表现——中档500流明能撑10小时以上才算合格露营灯

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户外灯/应急灯category

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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90% similar Unverified前灯亮度越高续航越短、灯体越重：800流明常亮模式通常仅1.5-2小时续航，长距离夜骑应选支持中低亮度或带外接充电宝的灯，或备双灯轮换88% similar Unverified亮度越高续航越短，两者不可兼得：追求长续航过夜用调至100流明以下，短时高亮照明再切换高档，选带无级调光的灯比固定三档更省电88% similar

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