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停电自动切换备用蓄电池锂电池模块5V-48V通用 应急转换器 继电器
N57
￥3.70View options ↗
3.7V聚合物18650锂电池 5V1A UPS不间断电源模块反接保护路由监控
01093
￥2.07View options ↗
UPS Uninterruptible Power Supply Lithium Battery Simultaneous Charging and Discharging 5V2A12V15W Router Network Device Monitoring Camera
Multiple options
￥6.5 fromView options ↗
12V3A24W36瓦大功率不间断电源板3串锂电池边充边放充放电18650组
02606
￥11.00View options ↗
220V两路电源自动切换器 10A双电源两进一出停电转换开关板模块
01212
￥11.90View options ↗