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Charging one 48V PV system from another

Chewie

New Member
Joined
Jan 13, 2024
Messages
5
Location
UK
Hi Everyone!

I have 2 PV systems, both with 48V LiFePO4 batteries.
At the moment they are not connected.

I use a lot more power from "System 1" than "System 2".
If "System 2" is over a certain voltage (eg 54V) I would like to charge "System 1".

"System 1" is about 50m away from "System 2".
I don't think I want to just connect both batteries together as one system as the PV parts are facing in different directions, so the batteries will have different voltages at different times of the day, (and sadly are different makes).

Sterling Power do some 12 and 24v to 48v chargers:

so I guess I need something like this.

Can anyone suggest what I can do?

Thanks!
 

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