[RE-wrenches] Battery Monitor for Li

[Kirk Herander]

But Blue Planet does not have a native SOC / voltage monitor. Egauge and
Namaka, which I both have on several BI systems, do not correlate.
Supposedly they are coming out with a native monitor soon.

On Fri, Sep 2, 2022 at 5:51 PM Jerry Shafer via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> This has been an issue with me, these batteries all have a basic BMS and
> then why does Simplify not support their own with a readable BMS, Fortress
> has a monitor, Blue planet has a BMS.
> Jerry
>
> On Fri, Sep 2, 2022 at 11:32 AM Matt Sherald via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> Hello Friends,
>>
>> I have an off-grid customer for whom I recently installed some SimpliPhi
>> 3.8kW batteries.  This is an older system and it has a Trimetric battery
>> monitor that the homeowners have used for years to keep an eye on their
>> battery bank.
>>
>> The SimpliPhi batteries appear to be working fine at the site, but the
>> homeowners feel uneasy b/c the Trimetric is reporting that they are
>> finishing each charging cycle with an amp-hour deficit.  The voltage of the
>> SimpliPhi batteries indicate that they are getting fully charged and are
>> doing so fairly early in the AM (solar is the primary power source).
>>
>> I've spoken with SimpliPhi tech folks and their hunch is that the
>> Trimetric is not reporting correctly.  They suggested that a Victron
>> BMV-712 would be more accurate at tracking Percent Full etc...
>>
>> Do you folks think that the Victron is better at counting Ah in/out for
>> Li batteries?  Or is the Trimetric adequate - do I maybe just need to
>> adjust the settings?
>>
>> Anyway, the implication that the Victron BMV was better at monitoring Li
>> batteries has me curious and I will enjoy hearing what the group thinks.
>>
>> Thanks for your time!
>>
>> -Matt
>>
>>
>>
>> --
>> Matt Sherald
>> PIMBY Energy, LLC
>> 304-704-5943
>>
>> www.getpimby.blogspot.com
>> www.getpimby.com
>>
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-- 

*Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*

*Owner|Principal, VT Solar, LLC*

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