Some of the questions are general to UPS's, home electrics etc. and some are specific to APC UPS's. Please read!
I live in the UK and the power quality in my house has never been the best. For example when using an electric shower, my bedroom light sometimes dims a little bit, but its very subtle.
To start, I:
1. Removed all labels, packaging and connected the UPS battery
2. Plugged in and turned on UPS, let it initialise
3. Plugged in a 2009 PC (a slow old office one with an (iirc) max 350W PSU, and can't be using much actual watts since hardware is weak)
4. Plugged in a 1080p Dell monitor into the Battery + Surgesockets.
5. Turned on both devices
6. Plugged in the data cable from UPS to PC and installed PowerChute software which worked fine.
The charge was 100% on the UPS out of the box. I have queries on three main areas:
Question 1
Is it...