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Victron B2B Charging

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Victron B2B Charging Empty Victron B2B Charging

Post by Baggiecamper Thu Mar 30, 2023 3:46 pm

I would be grateful if the members that are electrically competent have a look at my postings on this Technical Chat Thread:

"Vehicle Battery Fuse"
[You must be registered and logged in to see this link.]


Thanks Richard ( Baggiecamper )

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Victron B2B Charging Empty Re: Victron B2B Charging

Post by Dbvwt Thu Mar 30, 2023 4:09 pm

Hi Richard, may I ask why you went down this particular upgrade route? That’s 100% not a criticism by the way, just interested in the background reasons.
You say you have EHU in storage and obviously on site. Isn’t the PX300 up to your needs?
Sorry if I’m coming across a bit confused smile!
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Post by Baggiecamper Thu Mar 30, 2023 4:24 pm

Dbvwt wrote:............why you went down this upgrade route? 
Hi Dave
The ambition is to do off grid with limited solar all year round.
So a bigger 200AHr deep cycle battery and a 30 amp B2B is what I have gone for.
I liked the reputation of Victron and that all their devices work off one Smart phone app.
I am also installing a 1500W inverter as occasional light use of the microwave would be advantageous for me.
Since I chose Victron I am beginning to think Renogy combined B2B and MPPT may have been better, although I thought 20 amp B2B may be too small and 40 amp too large.
This was supposed to be a winter project but life's not going to plan at the moment  think_smiley_46

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Post by Dbvwt Thu Mar 30, 2023 4:32 pm

These projects often do turn out a bit more complicated than first anticipated Richard.
Thanks for the info, good luck and I’m sure it will be a great mod when sorted.


Last edited by Dbvwt on Thu Mar 30, 2023 5:14 pm; edited 1 time in total
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Victron B2B Charging Empty Re: Victron B2B Charging

Post by FreelanderUK Thu Mar 30, 2023 5:12 pm

Baggiecamper wrote:
Hi Dave
The ambition is to do off grid with limited solar all year round.
So a bigger 200AHr deep cycle battery and a 30 amp B2B is what I have gone for.
I liked the reputation of Victron and that all their devices work off one Smart phone app.
I am also installing a 1500W inverter as occasional light use of the microwave would be advantageous for me.
Since I chose Victron I am beginning to think Renogy combined B2B and MPPT may have been better, although I thought 20 amp B2B may be too small and 40 amp too large.
This was supposed to be a winter project but life's not going to plan at the moment  think_smiley_46

I think the renogy  DC-DC Mppt could have possibly caused problems also as reading about them it’s not advisable to use both inputs at the same time

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