question

nysander avatar image

Cyrix-Li-Ct connecting 24V LiFePo4 battery pack to 12V Starter Battery

In my RV I will have 12V starter battery, but due to high amperages I think about making hotel battery 24V to cut them by 2.

If I connect Cyrix-Li-Ct on the one side to 24V battery and on the other to 12V starter battery will it work? Or it will break?

Is such connection safe at all?

Cyrix Battery Combinercampervan
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1 Answer
richi1230 avatar image
richi1230 answered ·

No, this will never work. You better choose Orion TR series to mix up 24 and 12 Volt systems.

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but Orion TR will not let me charge back starter battery with MPPT PV regulator set to 24V when I will have sufficient power. and will also not give me separation of batteries.


But I undestand that this mix won't work and probably I will leave 12V onboard and drop 24V idea down.

Yes, same with mppt charger, no mix up possible: output voltage can be 12v or 24v.

If you want to charge starter battery you'll need a second Orion TR 24-12.