AC180 turned itself off

My new AC180 turned itself off after 7.3 hours of running my CPAP on AC. It still had 75% battery remaining. I wanted to see how long it would run before setting it up for DC. I checked the ECO mode and it was already turned off. My husband used his new AC 180 also with CPAP on AC and his stayed on.

Hi @4669Lemon4858

does the comlete unit shut down or only the AC after the metioned 7.3 hours?

greetings
Erik

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I didn’t have the DC turned on at the time. The unit appeared to be completely turned off.
I have since done 2 firmware updates and discharged it to zero ( but not to where it turned off). I ran a non-critical appliance for over 8 hours and it didn’t turn off. I will be running the CPAP again tonight.

@4669Lemon4858 Is the AC180 under the UPS mode (AC charging with AC output on)?