How long will a UPS with a 9Ah battery last?

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Links to materials used in the video:
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Microphone 🎙️ SYNCO G1 alii.pub/6mq47k
BK200 KONNWEI, battery tester meter 🔬🪫🚙 alii.pub/6wxim9
Digital watch for the kitchen and more ⏲️ alii.pub/6n452v
Modeling plugin 🔌🎨 XT60 alii.pub/6ps3nl
Test of emergency power supply based on 12V full sine converters.
The test takes place under normal operating conditions, i.e. the power is turned off at a random moment. As you can see in the video, we have connected receivers such as: furnace controller, three-way valve controller + valve with a small circulation pump, and a 3D valve and a large circulation pump. Unfortunately, I damaged the lambda probe for measuring oxygen and I'm waiting for better weather to have the Brager repaired and calibrated.
The test lasted a good 20 minutes on a 9 Ah battery, which is not a lot, but it is average to keep the furnace running 24/7. I am looking to build a "docking station" for batteries so that I can easily increase the capacity of the UPS if necessary or replace the battery.
This is not an instruction, so please do not imitate, I make many mistakes that can cost your life or health, it is recommended that the work be performed by a licensed professional.
Timeline:
0:00 - 1:55 Introduction to the episode
1:56 - 4:05 Start of the test
4:06 - 9:29 First observations
9:30 - 13:31 Loose observations during the test
13:32 - 15:21 Showing connected devices
15:22 - 19:22 Emergency power supply turned off
Current episode made with:
Synco - G1L - microphone
iPhone 8 - Audio and video
iPhone 6S - Reading values from BK200
Assembly - iPad 9
Thank you very much @Kenny88 for creating a trailer for my channel 💪

[@MaoWatt]

Na krótkie zaniki wystarczy 🙂

[@SzymonHawlicki]

Racja, i tak nie ma źle z racji że używam „sprawne” pompy. Nie raz jedna pompa z marketu bierze na 2 biegu 30-40W a na 3 biegu 60W+ a gdzie reszta i taki UPS na wiele nie wystarczy w takim wypadku. Mi jeszcze dojdzie jedna pompa na garaż i chyba do tego sterownik. Więc mao Ah 😜

[@Tab7.6.Tab7.6]

Tak żem czuł 😎

[@SzymonHawlicki]

Tak już to jest zawsze mao i mało 🤣
Już nie długo będzie więcej 😁

[@damianeeekk5948]

tldr: 23 min przy 40W, nie musicie całego 20 minutowego gniota oglądać

[@SzymonHawlicki]

Jaką ironią losu być ocenianym przez osobę co nawet jednego filmu nie ma na swoim profilu. Cóż takie standardy tych czasów