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亮度越高续航越短：满亮度续航通常仅为最低亮度的1/5-1/8，标称续航多为最低档数据；实际阅读用中高档，需按标称续航打3-4折估算

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Unverified高亮档位下续航较短，实际越野跑中多数时间需使用中低档位以平衡续航，1400流明标称亮度仅适合间歇使用83% similar Unverified亮度越高越费电、续航越短，两者不可兼得；无线款标称续航几乎都以最低亮度测算，实际按常用亮度使用续航常打对折，应按标称值×0.5预估83% similar

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