Unverified88% confidenceDecision RuleTime unknown
蓬松度(Fill Power)决定同等重量下的保暖效率：600-700适合0度以上通勤，750-800适合零下10度，850-900+才需要在零下20度或高海拔户外场景，城市通勤买900FP是浪费溢价
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88%
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Long-term
Relevance
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Unverified功率与面积匹配：暖风机/踢脚线取暖器每10㎡约需1000-1200W；油汀散热慢但保温好，同面积可选低200W；房间层高＞2.8m需在此基础上上浮15%功率78% similarUnverified自驾游车载冰箱+照明+手机充电场景，选500Wh以上容量；单纯户外露营偶尔用200-300Wh足够；车载冰箱单日耗电约300-500Wh，需按行程天数×日耗电预留容量78% similarUnverified功率越高体积和发热越大，65W可做到极致小巧（约60g），而100W以上普遍在150g以上且工作温度更高，日常通勤单带手机选30-65W即可78% similarUnverified功率密度参考：干烧式保温台约300-500W/格，水浴式约400-800W/格；节能优先选带独立分区控温的机型，可关闭空置格省电30%以上78% similarUnverified功率越大升温越快但电费越高：2000W机型每小时耗电2度，连续开8小时约16度电；日常局部取暖1200-1500W档位配合定时更经济，追求整屋速热才需2000W+77% similar
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