Unverified85% confidenceDecision RuleTime unknown
窗宽超过3米或使用遮光防水加厚布料（单幅重量常超8kg）时，电机额定负载需选≥12kg，否则长期拖拽会导致电机过热保护、频繁停顿
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Unverified负载能力需按窗帘布重估算：一般电机额定负载8-12kg对应3-4米轨道；落地遮光双层帘（含遮光布）每米约2-3kg，5米以上宽窗应选负载≥15kg的重载电机，否则长期卡顿掉步85% similarUnverified轨道电机电机功率与承重决定能拖多重的布：常规电机承重约35-50kg（≤6米单开/双开轨道），加厚遮光绒布或超4米宽窗需选承重≥50kg的重载电机，否则长期使用会丢步、卡顿82% similarUnverified容量越大发热越持久但机身越厚重，单手握持舒适的极限约在6000-8000mAh，超过10000mAh多为方形板砖手感差，仅适合放包里非握持取暖78% similarUnverified功率越高转换效率越好意味着面积越大越重：100W折叠板展开约1.2m×0.5m、重3-5kg，20W板仅约0.5kg，需在发电量与便携性间取舍，人力背负出行建议单板不超过30W77% similarUnverified容量越大隔层越多则自重越高，满载后对挂点承重要求大；帆布/加厚材质耐用但空包就重达300g+，轻量化尼龙款空包仅80-120g更适合频繁移动76% similar
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