[KongchangAI]
Unverified80% confidenceSolutionTime unknown

选购便携UPS的完整决策路径:先确定负载功率(W)与最长断电时间→反算所需电池容量(Wh=功率×小时÷0.8效率)→确认波形类型(精密设备选纯正弦波)→核对切换时间需求→最后校验重量与航空合规性

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80%
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Long-term
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