Unverified85% confidenceTradeoffTime unknown
线材越长电阻越大压降越明显，大功率快充优先选1m以内；车载/床头等固定场景可选2m但认准5A线以补偿损耗，超过2m的100W线容易触发降速
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified线材越长电阻越大、充电功率越低，2m线相比0.5m线在大功率下压降明显，追求极速快充选1m以内，兼顾距离与效率选1m86% similarUnverified线材长度与充电效率负相关：2m以上A-C线在快充场景压降明显，大功率快充优先选1m~1.5m86% similarUnverified线材越长电阻越大，2米以上线材充电会有可见衰减；100W快充建议线长≤1.5米，超2米易触发降压85% similarUnverified线材越长电阻越大导致压降，2米以上快充线若线径不足会明显掉功率，大功率快充建议选1-1.5米粗线径；床头/沙发使用再考虑2米85% similarUnverified线材越长快充实际功率越低(线阻增大压降)，同一根5A线1米能满血100W，2米可能掉到80-90W；快充追求满速优先选1米内85% similar
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