How I decided which two UPS devices to buy - and failed to calculate UPS runtime

Video Description

After recent power outages that messed up my network, I decided to upgrade my UPS devices...except I kinda got the maths wrong. I think. UPDATE: @jared-island commented with the way to understand watts and runtime. I have pinned the comment. ----------------------------------------------- CyberPower OLS2000ERT2UA: https://www.cyberpower.com/eu/en/product/sku/ols2000ert2ua CyberPower OLS1500E: https://www.cyberpower.com/eu/en/product/sku/ols1500e Merchandise store: https://lars-klint.creator-spring.com/ Become a member and get access to extra content: https://www.youtube.com/channel/UC0ZMdveqTEcXBukgR4O45EQ/join Tropical Soul by Luke Bergs | https://soundcloud.com/bergscloud/ Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/ Cafe Seaside by PeriTune | https://peritune.com/ Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY 4.0 https://creativecommons.org/licenses/by/4.0/ Summer Sport by AudioCoffee | https://www.audiocoffee.net/ Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/ Royalty Free Music: Bensound.com/royalty-free-music License code: Y81OZL9HW2IJSXPC Artist: : Nick Petrov ----------------------------------------------- Chapters: 0:00 I bought two UPS 0:40 Disclaimer 1:31 Seriously heavy boxes 5:03 What is a UPS? 5:50 Why do you need a UPS? 7:30 How do they work? 10:36 My criteria for choosing a UPS 12:10 Calculate run time 16:07 Install 20:15 UPS Math is hard! 25:02 Lead acid vs. LiFePO4 26:20 Network expansion