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亮度越高续航越短，实测同一电池300流明档续航常仅为50流明档的1/6左右，选可分档调光的机型比单一高亮更实用

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Unverified高流明与续航互斥：同容量18650电池在1000流明下通常仅撑1-2小时，切换到低档100流明可达10小时以上，选购要看是否具备可用的中低亮度档位而非只看最高档86% similar Unverified灯珠越密越亮氛围越足，但密度高的灯串同长度下功耗更大、电池款续航更短；电池款建议选每米不超过10颗以平衡续航83% similar

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