Unverified80% confidenceTradeoffTime unknown
轻量化头灯（＜80g）通常牺牲电池容量和最大亮度，追求极致轻量的同时高亮续航往往很短，长线重装徒步不宜盲目追求最轻
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80%
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Long-term
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Unverified亮度越高续航越短、电池越重，头灯整体越重：轻量化（<50g）与高亮度长续航本质冲突，需按主场景取舍，不要盲目追求高流明87% similarUnverified极致轻量与亮度/续航之间存在核心权衡：选它是为了极限减重，但要接受亮度上限和电池容量不如常规头灯86% similarUnverified亮度可调范围越宽（如10~200lm）灯具体积和电池越大，便携性越差；纯出行随身用200lm以内、单一暖光的小灯更轻便83% similarUnverified亮度高与续航长、机身轻不可兼得：高功率LED灯珠越亮越费电、发热越大，追求便携（＜150g）就要接受续航和最大亮度打折83% similarUnverified便携轻巧与照度充足难以兼得，充电式小夹灯往往功率低、照射面积小，仅适合看绘本；作为主力作业灯需选座式大功率产品82% similar
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