Multiplus 24V 3000W doesn't discharge batteries under 85%

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manone asked Sep 17, '22

Multiplus 24V 3000W doesn't discharge batteries under 85%

Hello,

I have two systems based by Multiplus 24V 3000W, one with MPPT 150/70 - 2 x 12V/250A Ultracell, 6 x 395W Trina PV, other one with MPPT 150/85-Tr - 2 x 12V/220A Victron AGM, 6 x 405W Trina PV. These are separate systems, no parallel connection, feeding different consumers.

On the 150/70 version I discover that the system put the batteries in idle at 85% and feed the system from the grid, the 150/85 goes to 50% discharge. I compared the two VE Configure files and the setting seems to be almost identically (the difference is the batteries capacity). What I' am doing wrong with the 150/70? Many thanks for your help.

multiplus ve.bus

2 |3000

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Mike Dorsett answered · Sep 17, 2022 at 06:43 PM

Try setting "ignore AC in" on the 150/70 system.

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manone commented · Sep 17, 2022 at 06:53 PM

Thanks for your reply, I will try tomorrow morning, I can't connect Venus GX (Remote Console) anymore.

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Modifications Space

Node Red Space

Answer 1 · 2022-09-17T18:40:56Z

manone answered · Sep 17, 2022 at 06:40 PM

L.E. I did a firmware update to Multiplus but now it's showing batteries at 100% with 23.7V which is far below to readings of the other system which have 52% at 24.55V. It seems that doesn't read the values correctly, can you help with this issue? Also I get a "low battery" warning from Multiplus...

2 |3000

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