Does a small battery backup require an ATS

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christoff83

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Apr 19, 2021
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Hi all,

In my livingroom at home, I’m running a small battery backup for the TV, wifi and occasional laptop or other small device. The setup is: Victron 375va standalone inverter, Victron 15A AC charger and a 105 ah, semi-deep cycle battery.

Does this setup need an ATS (Automatic Transfer Switch) or can I permanently leave the charger in the wall socket connected to the battery, the inverter connected to the battery and the wifi + TV connected to the inverter?

My reason for running this backup as “separates” instead of a convenient all-in-one UPS like a Mecer or something is that I believe those UPS devices use cheap/bad quality inverters and especially chargers inside which are real bad for battery longevity. Will probably start a thread on that soon but for now, I need to know comments/opinions on the ATS requirement please.

Thanks
 

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