Sorry for the interruption -
What CC are you going to be using?
_________________________________________________________
Dana Orzel GREAT SOLAR WORKS!
C - 208.721.7003 E - d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com www.solarwork.com<http://www.solarwork.com/>
"Responsible Technologies for Responsible People since 1988!"
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Wrenches,
I have a nice little rental house here in my off-grid neighborhood that after
40 years is ready to transition to LiFePO4 batteries.
I have no experience with any lithium home power storage batteries. I'm looking
for advice, so I can avoid mistakes as a rental house with battery problems is
quite the pain in the ass. The last tenant was my daughter so life with older
lead acids wasn't a huge issue, but now I want something I won't have to enter
the house to monitor and operate. I'll bullet what I think I know and my
questions.
*
The house has four 11-year-old Trojan Industrial IND 17-6 for 925 AH @ 24V that
are amply sized for the houses loads.
*
It has a newer TriMetric meter that I was supposed to be able to set up for web
access using their WIFI module, but I have had no success with being able to
monitor battery state of charge remotely.
*
I really need something that will give me battery state of charge information
without entering the house.
*
The system has a single OutBack VFX3624. PV array is 2.5kW.
*
System also has a Iota 40A charger so charging with my 6 KW genset is typically
in the 100Amp range with the OutBack and Iota.
*
We are in northern Vermont, so we rack up significant generator (NOT
auto-start) run time in the winter months.
*
I'm looking at Eclipse LiFePO4 24V 200AH. Three of these will give me 600AH @
24V which is 65% of the rated Amp Hrs of the Trojan Industrials now in use. Is
this enough?
*
My battery box can easily handle up to four of the Eclipse 24V 200AH batteries.
I see that Backwoods recommends that only three of the Eclipse are connected
with battery cables. If I opted for four (for 800AH) I would need to use a
busbar.
*
Are there other distributors of Eclipse batteries other than Backwoods Solar
that I should consider? I haven't used my dealer account with them for a number
of years and I'm not sure that I'll get a good price from them.
*
What is the lead time for getting these batteries shipped out?
*
Are there other LiFePO4 batteries I should consider?
*
Is 600AH of LiFePO4's enough to replace 925AH of LA's?
Dave Palumbo
Retired from running Independent Power, but active in off-grid solar.
Hyde Park, VT
802-371-8678 voice or text.
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