http://pastport.jp/user/powmr ja-JP At the same time, the inverter starts to draw current from the battery and then provides it to the AC load. Because it stays off when drawing current from the AC line during normal operation, it is called offline UPS. https://powmr.com/inverters/ 2021-11-24T17:30:34+0900 http://pastport.jp/user/powmr/timeline/The%20best%20high-capacity%20inverter powmr http://pastport.jp/user/powmr/timeline/The%20best%20high-capacity%20inverter