I have used these two and they work fine with my M1 Ultra. They both provide sine wave.
EC650LCD - I like its control of outlets based on the system state
I ended up switching to this for more standby power. Gives me plenty of time to start the generator.
CP1500PFCLCD
You can use them with the CyberPower app, but it's a Java atrocity. I mainly use the macOS built-in UPS control.
EC650LCD - I like its control of outlets based on the system state
I ended up switching to this for more standby power. Gives me plenty of time to start the generator.
CP1500PFCLCD
You can use them with the CyberPower app, but it's a Java atrocity. I mainly use the macOS built-in UPS control.