A --version is a good idea to add, the old version does not have that. I'll get that added to the new version. That being said, it looks like you are using a fork of the old upstream device type ...

I've got a couple of ~10 year old APC UPS that I have my home rack plugged into. A recent power outage killed the battery on the SMT1000 and while I was waiting for a replacement battery to ship ...

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APC Smart-UPS 1500VA Review (SMT1500) June 25, 2017. Review: ADATA DashDrive Elite SE720 128GB External SSD. December 9, 2013. Review: Steelseries Stratus XL for Windows and Android.

APC Smart-UPS 1500 (SMT1500) Performance Analysis. As the Smart-UPS 1500 is a line-interactive UPS, there’s a delay between the time the power is cut to when the system is restored on battery power.