Does AC180T have a UPS mode to select PV priority or Time of use charging options?
@Boboso52
Only models with WiFi support the four custom UPS modes, the AC180T does not support WiFi, only the default UPS mode. 
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If the device is hooked to the grid, will battery power be utilized, or does grid power have to terminate for the batteries to kick in. Seems like that could controlled by the app via Bluetooth.