Chris,

Ive stopped using OpticsRE for a while now as its not been reliable. Many
others have complained about this also.

With regards to Victron, they seem to not offer tech support to their
customers directly and expect the customer to use the Victron Community
page for resources or to contact the distributor that they purchased their
products through. If you bought from Amazon, id expect it pretty hard to
get any warranty/ support!

Victron SmartShunt works pretty well for a battery monitor (especially if
you integrate it with a Cerbo GX). The Cerbo GX will give you total local
system visibility and if you have an internet connection, will give you the
ability to view over the web via Victron VRM.

The downside of the SmartShunt (if you dont have a Cerbo GX) is that the
data is only available via their Bluetooth app and sometimes getting
Bluetooth reception from the shunt is difficult if the shunt is installed
inside a metallic battery or DC enclosure.

I recommend the BMV-712 instead. Same basic functionality as the
SmartShunt, however the shunt measurement board can be removed from the
shunt (if needed) and placed on any shunt. Shunt settings can be programmed
via the remote display (50mv, 100mv, etc) The BMV-712 Bluetooth transmitter
is inside the remote display, and therefore can be located outside of the
enclosure or remotely making Bluetooth easier to connect to.

Hope that helps.

Roy Rakobitsch
Windsine LLC
631-514-4166

<http://www.windsine.org/>


On Thu, Jan 29, 2026 at 12:19 PM Chris Schaefer via RE-wrenches <
[email protected]> wrote:

> Anyone else having issues today logging into Optics RE? I've tried
> multiple times today to no avail. I can't even bring up the log in page.
>
> I received a call from a young mother of 4 without water for over a week.
> A total DIY by the husband whom just up and left the family before the
> holidays. So sad. Anyway, it consists of an offgrid twin set of Victron
> MultiPlus 12 dcv/120acv inverters. OMG, what a mess. They are wired to
> provide 240vac to the clients SEP.
>
> Two questions. One, I can't seem to find a Tech support number for Victron
> on their website. I can email the sales team and have requested several
> times now for the phone number of their tech support team but my request
> continue to go unfulfilled.
> Two, I need a Victron hard wired battery monitor for the system as it is
> located in the basement and I wish to provide the client with a monitor for
> their upstairs kitchen. I will need to add a shunt. Their website offers
> many options with little details. What might y'all suggest. A part number
> would be extremely helpful.
>
> Thanks,
> Christopher-
>
> Chris Schaefer’s
>
>
> *Tel 585-229-2083 or Cell 585-748-1870 *
> *5115 S Hill Road ~ Canandaigua New York 14424**www.solarandwindfx.com
> <http://www.solarandwindfx.com> ~ E-mail: [email protected]
> <[email protected]>*
>
>
> Thomas Jefferson, the author of our great Constitution, once said,
> "democracy" will cease to exist when you take away from those who are
> willing to work and give to those who would not."
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