Recent content by Arg0n

Thanks!

So I found these cheap 16x LiFePO4 105Ah 3,2V batteries on AliExpress.. https://www.aliexpress.com/item/1005003341432290.html Has anyone ordered from this store, or see any red flags? (The price is probably a red flag ?)

So it's almost the same, but the SPF5000ES version. Can't seem to find option 24 in the manual.

How should grounding for the batteries be done properly? Any schematic? The Growatt 5000 should handle surges up to 10000W? The water pump is currently running on a 16A 230V outlet = 3680W. I hope it will be able to handle it. But you're right, it does take a lot of juice to start it, then...

Hmm, maybe this setting is what I'm looking for, regarding (2). If I set this to max (51.2V), it will still continue using the batteries to Low DC cut-off voltage when utility is not available, right?

Hey guys, I'm new to this forum, and to building off-grid systems. I'm currently trying to help my father build a backup system that would run a water pump (and maybe fridge/freezer) off batteries, in case the grid goes down. I currently have two questions: Would the below setup work? Is there...