I would go for an Egauge system.I can work on 144-volt battery, and report
the battery voltage, it can report easily the currents.  Egauge has some
new functions that make mimicking a Trimetric possible.   problem is going
to cost more than Trimetric.  However, it has far greater monitoring
capability.

On Fri, Oct 20, 2017 at 4:48 PM, Sindelar Solar <al...@sindelarsolar.com>
wrote:

> Wrenches,
> I have an upcoming remote residential off grid upgrade job that uses one
> of the rare Michigan Energy Works inverter/charger/controller packages,
> this one from 1997, which the homeowner wants to continue using. The
> package uses a 120 volt nominal array (10 x BP90 in series) and a 144V
> nominal battery bank. I'm adding array (6 x 60-cell generic), replacing
> batteries (FLA with VRLA), and updating disconnects and overcurrent
> protection. Can anyone suggest a user-friendly system monitor that will
> work with this system voltage, something akin to a TriMetric 2020 or 2030?
> I can't think of one that will work with a system voltage this high. Mostly
> I'd like the percentage function for a nontechnical homeowner.
>
> Thank you, Allan
> --
>
> *Allan Sindelar*
> al...@sindelarsolar.com <mailto:al...@sindelarsolar.com>
> NABCEP Certified PV Installation Professional
> New Mexico EE98J Journeyman Electrician
> Founder (Retired), Positive Energy, Inc.
> *505 780-2738 cell*
>
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