Backup power for an apartment from a Kepworth 200Ah LiFePO4 battery / Inverter

We connected the apartment to a 200 Ah Kepworth LiFePO4 battery via a 12-220 V inverter. We tested the battery's actual capacity and found out how long the apartment's backup power supply would last.
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All PowMr products marked with 3-7 day delivery within Europe can be ordered to a Polish address (VERIFIED! Delivery is actually 3 days).
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I bought the battery here
https://ek.ua/ua/ek-list.php?katalog_...
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Links to Ali Express may take more than a minute to open, just wait!!!!!! ___________________________________________________________________________
PowMr Batteries (Link to review has arrived:    • LiFePO4 battery from AliExpress / Battery ...  )
https://alii.pub/738f46
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Batteries with good reviews
https://alii.pub/6zw1bz
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The inverter is the same as in the video (different sticker, same inverter)
https://alii.pub/73ecwh
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5 kW inverter (Review:    • What are Chinese 5 kW batteries capable of...  )
https://shopnow.pub/redirect/cpa/o/rk...
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Universal 35A charger (Suitable for all battery types)
https://alii.pub/6z0rxq
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40-100A LiFePO4 charger (if mine doesn't keep up, I'll order an 85A one; it should charge the battery in 2.5 hours)

https://alii.pub/6zufct
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PowMr Hybrid Inverter (Review:    • Hybrid inverter as a UPS / LifePo4 battery...   )
https://alii.pub/6ztbn9
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Wattmeter
https://alii.pub/6zur7m
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