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My main pump is backed up with a lead acid battery for this pump I wanted to try lifepo4 battery due to the size and weight also since this pump cannot accept 12v directly I have to run an inverter. I looked at a traditional ups but even the large ones would only last about two hours. I wanted...

So I saw the milk crate build on YouTube and thought this would work as a backup for an aquarium pump I’m running. I’m treating this like a ups and super simple battery, charger and inverter. Chins 50ah 12v battery, 600w inverter, CV power supply. I’ve been searching online and really can’t find...

Here is an in work pic of the setup so far

So charge at 14.4 then reduce it or charge at 13.8? I thought that the battery won’t charge at that voltage

I have a large saltwater aquarium and I already have my main pump backed up with a 12 battery that switches over automatically. I have a secondary pump that does not have a 12v backup port I came across this video on YouTube and it got me thinking could this work to run my other pump. So my...