I'm no expert, but this is how I calculated my capacity.
First thing is battery discharge; to prolong battery life it/they shouldn't be discharged more than 40-50%, so you should be aiming for 8 hours.
Calculation on 12V system:
Watt hours -> 100W x 4 hours = 400Wh
Amp hours -> 400Wh / 12V =...
I also have the ST2100, but I have the 2KVA variant; it's right next to my desk and I work from home, it's getting pretty loud and I have nowhere else to go with it. I was hoping Suspect could give me some insight into the behavior of his, but I'll see what I can sort out with the supplier...
I was sold one of these units last week. The fans have been running nonstop for 5 days now, even when the unit is switched off and all devices unplugged, they run 24/7. The only way to get them to stop is to switch off the wall outlet. It's plugged directly into the wall as suggested. The...