Which Multiplus size suitable to connect to single pylontech battery US2000 , 2.4KW

Q&A and troubleshooting
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1

I have a Pylontech battery that has been unused for a couple of years, with a terminal voltage reading of 49V, indicating it is in good condition. I’d like to repurpose it for use with a Multiplus inverter in a UPS configuration. Could you advise on the best inverter size to pair with it—Multiplus 1200VA, 1600VA, or 2000VA?

Additionally, I plan to integrate a Cerbo GX for system communication and a SmartSolar 100/20 charge controller. Can you confirm compatibility and any recommendations for optimal setup?

2

There is a list from Victron/Pylontech:
https://www.victronenergy.com/live/battery_compatibility:pylontech_phantom

3

It has a 25a discharge limit.
25A x 48V is 1200watts of power only.
So a model close to that.