Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Starlight Solar Power Systems]

Hi Dave, Howie, Et al,

With one brand of Li batteries we sell (EPS), if any part of the BMS system 
fails, you can turn the battery power on manually and continue to function 
until the repair is made. All the BMS components are external so it is very 
serviceable by tech or user. Having a spare part is not very expensive. We have 
customers operating these systems for 6 years now and I can attest to the 
success of it. (Other Li battery systems may have similar function)

Concerning moving to 48V, at any time the (EPS) Li battery can be reconfigured 
for 48V provided you have 4 (or 8, 12, etc) battery packs. Converting from 2S2P 
to 4S1P is simple. 

(sorry, ranting ahead) You can also add additional capacity at any time. 
Imagine in 10 years you need more energy storage. With LA, you need to start 
over with all new. Not so with the EPS system. Just buy more cells and BMS and 
reconfigure the CPU. The oldest, lower capacity cells are still usable. It not 
until the minimum V of one cell triggers a shutdown before you have recharged 
the bank that you need to replace cell(s).

Most don’t know that a Li battery can be fully recharged with about 40% less PV 
solar power. Why? Because they absorb current up to about 98% SoC. Absorb time 
is about 10 minutes if you want push them to full. No hours in absorb and 
float, required each day by LA, wasting much of the PV energy that was paid 
for. Another benefit is many LA battery systems experience deficit charges in 
the winter because there are not enough sun-hours. We all know that this 
quickly diminishes the life of a LA battery. 

 When using engine power to charge on those rainy days, the EPS battery system 
can be fully charged in under one hour from ANY SoC!   

Pontificating over for now. I hope this is helpful to you Howie. 

Larry Crutcher
Starlight Solar Power Systems






On Sep 26, 2019, at 3:58 PM, Dave Angelini Offgrid Solar  
wrote:

My 2 cents are each client is different and if they have been fine on that one 
set of batteries then do what is in their interest. An inverter is easily 
replaced. I might also suggest to stay with the FLA and avoid possible issues 
with LFP. No matter how good they are in many cases, they still have 
electronics in them that can fail and cause a new way to lose power offgrid.

In my case and quite a few of my offgrid clients I want a complete back-up of 
the battery if LFP is used. That is what is so nice about having multiple 
battery systems. One can fail and each has it's own BMS. A spare LFP system can 
also sit for a year and be fine as long as it gets some exercise. Good Luck 
Howie! All good on those two Schneider xwp and gateway/insight2 systems?

Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/ 
e-mail  offgridso...@sti.net 
text 209 813 0060
On Thu, 26 Sep 2019 17:17:47 -0400, Howie Michaelson 
 wrote:

> I get what you are saying Jerry, but this client ( a retiring teacher in a 
> very rural, low wage school district, sadly) has lived very lightly off-grid 
> (1kW solar, 24v Rolls KS21s original batteries) for 18 years years and has no 
> pressing need to upgrade his VFX3524 inverter. I'd rather find a good 24volt 
> option to compare a straight KS21 replacement to.  I know the inverter could 
> crap out at any time, but if it ain't broke...
> Howie
> 
> On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer  > wrote:
> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show my 
> customers all the benefits of a 48 volt upgrade it wins every time. I am not 
> talking about busses, RV's and one night stands l am talking about off grid 
> homes. 
> 
> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson  > wrote:
> Hi all,
> I've been using BlueIon batteries recently both on- and off-grid, and really 
> like them so far, although I have limited time on them so not a ton of 
> experience yet.  I am wondering what folks are liking for 24 v LiFePO4 
> battery options.  I have 24 volt off-grid clients who are not ready to swap 
> out to 48v, but might be interested in Lithium batteries. TIA,
> Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Tump]

I believe that the Unigi II  series of cells also has a nano carbon line. 
Contact Doug Laningham (dlaning...@mkbattery.com) cced above
On Sep 27, 2019, at 8:14 AM, Mac Lewis  wrote:
> 
> We've installed quite a few GS Nanocarbon batteries and these are available 
> in 24V.  5000 cycles to 70% DOD (we usually shoot for around 50% DOD).   
> http://www.gsbattery.com/renewable/renewable-energy-slr-series/ 
> 
> 
> No problems thus far.  Not cheap but very high quality.
> 
> On Fri, Sep 27, 2019 at 3:42 AM jay  > wrote:
> You might also look at
> 
> https://www.cdtechno.com/pdf/lit/12_1137.pdf 
> 
> 
> Which is using nano carbon, for 3000 cycles to 50%.
> 
> Other battery companies also have carbon/lead at up to 4000+ cycles for VRLA, 
> and Rolls has 4500 cycles for flooded, both at 50% DOD.
> 
> The UnigyII is tried and proven tech, but low cycle life compared to the 
> newer carbon LA chemistries.
> 
> 
> jay
> 
> Peltz Power
> 
> 
> 
> 
> 
> 
>> On Sep 26, 2019, at 2:55 PM, Jerry Shafer > > wrote:
>> 
>> Howie
>> Understand but the reality is that inverter is going to fail and then it may 
>> be to late to make an upgrade and it will be more costly. You might want to 
>> consider Deka Unigyll that can be bussed in 24 volts and changed to 48 volts 
>> later. No it's not LI but it's a good solution. 
>> Jerry
>> 
>> On Thu, Sep 26, 2019, 2:18 PM Howie Michaelson > > wrote:
>> I get what you are saying Jerry, but this client ( a retiring teacher in a 
>> very rural, low wage school district, sadly) has lived very lightly off-grid 
>> (1kW solar, 24v Rolls KS21s original batteries) for 18 years years and has 
>> no pressing need to upgrade his VFX3524 inverter. I'd rather find a good 
>> 24volt option to compare a straight KS21 replacement to.  I know the 
>> inverter could crap out at any time, but if it ain't broke...
>> Howie
>> 
>> On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer > > wrote:
>> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show my 
>> customers all the benefits of a 48 volt upgrade it wins every time. I am not 
>> talking about busses, RV's and one night stands l am talking about off grid 
>> homes. 
>> 
>> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson > > wrote:
>> Hi all,
>> I've been using BlueIon batteries recently both on- and off-grid, and really 
>> like them so far, although I have limited time on them so not a ton of 
>> experience yet.  I am wondering what folks are liking for 24 v LiFePO4 
>> battery options.  I have 24 volt off-grid clients who are not ready to swap 
>> out to 48v, but might be interested in Lithium batteries. TIA,
>> Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Mac Lewis]

We've installed quite a few GS Nanocarbon batteries and these are available
in 24V.  5000 cycles to 70% DOD (we usually shoot for around 50% DOD).
http://www.gsbattery.com/renewable/renewable-energy-slr-series/

No problems thus far.  Not cheap but very high quality.

On Fri, Sep 27, 2019 at 3:42 AM jay  wrote:

> You might also look at
>
> https://www.cdtechno.com/pdf/lit/12_1137.pdf
>
> Which is using nano carbon, for 3000 cycles to 50%.
>
> Other battery companies also have carbon/lead at up to 4000+ cycles for
> VRLA, and Rolls has 4500 cycles for flooded, both at 50% DOD.
>
> The UnigyII is tried and proven tech, but low cycle life compared to the
> newer carbon LA chemistries.
>
>
> jay
>
> Peltz Power
>
>
>
>
>
>
> On Sep 26, 2019, at 2:55 PM, Jerry Shafer 
> wrote:
>
> Howie
> Understand but the reality is that inverter is going to fail and then it
> may be to late to make an upgrade and it will be more costly. You might
> want to consider Deka Unigyll that can be bussed in 24 volts and changed to
> 48 volts later. No it's not LI but it's a good solution.
> Jerry
>
> On Thu, Sep 26, 2019, 2:18 PM Howie Michaelson 
> wrote:
>
>> I get what you are saying Jerry, but this client ( a retiring teacher in
>> a very rural, low wage school district, sadly) has lived very lightly
>> off-grid (1kW solar, 24v Rolls KS21s original batteries) for 18 years years
>> and has no pressing need to upgrade his VFX3524 inverter. I'd rather find a
>> good 24volt option to compare a straight KS21 replacement to.  I know the
>> inverter could crap out at any time, but if it ain't broke...
>> Howie
>>
>> On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer 
>> wrote:
>>
>>> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show
>>> my customers all the benefits of a 48 volt upgrade it wins every time. I am
>>> not talking about busses, RV's and one night stands l am talking about off
>>> grid homes.
>>>
>>> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson <
>>> howie.michael...@gmail.com> wrote:
>>>
 Hi all,
 I've been using BlueIon batteries recently both on- and off-grid, and
 really like them so far, although I have limited time on them so not a ton
 of experience yet.  I am wondering what folks are liking for 24 v LiFePO4
 battery options.  I have 24 volt off-grid clients who are not ready to swap
 out to 48v, but might be interested in Lithium batteries. TIA,
 Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[John Blittersdorf]

Howie and Allen,
 I used 5 Simpliphi 24v to replace 24 L16 wet cells.  He wanted to keep
his old Bergey 850 which I had rebuilt for him a few years ago.  He has two
VFX3524’s in a Flexware 500 but we are running just one to keep idle loads
down.  We did have one incident where the batteries would not charge when
the temp dropped into the mid 30’s in his unheated but well insulated power
room.

John Blittersdorf

On Thu, Sep 26, 2019 at 9:23 PM Dave Angelini Offgrid Solar <
offgridso...@sti.net> wrote:

> Allen, Discover AES is all I use for Schneider CSW 4024. Direct comms into
> xanbus.
>
> *Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/ 
> e-mail  offgridso...@sti.net 
> text 209 813 0060*
>
> On Thu, 26 Sep 2019 18:32:28 -0600, Allan Sindelar <
> al...@sindelarsolar.com> wrote:
>
>
> Howie, I'm fully in your court. Just today I replaced 2000 pounds of 18
> year old HUPs with 1800 pounds of... HUPs. It's a full rebuild of a 24v
> system from the mid-80s, and the scales on a system that vintage couldn't
> justify a 48v system.
> I have asked Blue Planet more than once if they plan to one day develop a
> 24v Blue Zion package, and the answer has each time been no. So I'd like to
> hear if there's a 24V option of equal quality and BMS sophistication.
> Thanks!
> Allan Sindelar
> On Sep 26, 2019, at 3:17 PM, Howie Michaelson 
> wrote:
>
> I get what you are saying Jerry, but this client ( a retiring teacher in a
> very rural, low wage school district, sadly) has lived very lightly
> off-grid (1kW solar, 24v Rolls KS21s original batteries) for 18 years years
> and has no pressing need to upgrade his VFX3524 inverter. I'd rather find a
> good 24volt option to compare a straight KS21 replacement to.  I know the
> inverter could crap out at any time, but if it ain't broke...
> Howie
>
> On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer 
> wrote:
>
>> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show
>> my customers all the benefits of a 48 volt upgrade it wins every time. I am
>> not talking about busses, RV's and one night stands l am talking about off
>> grid homes.
>>
>> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson <
>> howie.michael...@gmail.com> wrote:
>>
>>> Hi all,
>>> I've been using BlueIon batteries recently both on- and off-grid, and
>>> really like them so far, although I have limited time on them so not a ton
>>> of experience yet.  I am wondering what folks are liking for 24 v LiFePO4
>>> battery options.  I have 24 volt off-grid clients who are not ready to swap
>>> out to 48v, but might be interested in Lithium batteries. TIA,
>>> Howie
>>> ___
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Dave Angelini Offgrid Solar]

Allen, Discover AES is all I use for Schneider CSW 4024. Direct comms
into xanbus. 
Dave Angelini Offgrid Solar
"we go where powerlines
don't"
http://members.sti.net/offgridsolar/ [1]
e-mail offgridso...@sti.net
[2]
text 209 813 0060

On Thu, 26 Sep 2019 18:32:28 -0600, Allan Sindelar 
wrote:Howie, I'm fully in your court. Just today I replaced 2000 pounds
of 18 year old HUPs with 1800 pounds of... HUPs. It's a full rebuild of a
24v system from the mid-80s, and the scales on a system that vintage
couldn't justify a 48v system.  I have asked Blue Planet more than once if
they plan to one day develop a 24v Blue Zion package, and the answer has
each time been no. So I'd like to hear if there's a 24V option of equal
quality and BMS sophistication.  Thanks! Allan Sindelar 
On Sep 26, 2019,
at 3:17 PM, Howie Michaelson  wrote:

I get what you are saying Jerry,
but this client ( a retiring teacher in a very rural, low wage school
district, sadly) has lived very lightly off-grid (1kW solar, 24v Rolls
KS21s original batteries) for 18 years years and has no pressing need to
upgrade his VFX3524 inverter. I'd rather find a good 24volt option to
compare a straight KS21 replacement to. I know the inverter could crap out
at any time, but if it ain't broke... Howie  
  On Thu, Sep 26, 2019 at
5:03 PM Jerry Shafer  wrote:  Dollars and sence, drop the 24 volt, BPI is a
great battery. Once l show my customers all the benefits of a 48 volt
upgrade it wins every time. I am not talking about busses, RV's and one
night stands l am talking about off grid homes.  
  On Thu, Sep 26, 2019,
1:53 PM Howie Michaelson  wrote:   Hi all, I've been using BlueIon
batteries recently both on- and off-grid, and really like them so far,
although I have limited time on them so not a ton of experience yet. I am
wondering what folks are liking for 24 v LiFePO4 battery options. I have 24
volt off-grid clients who are not ready to swap out to 48v, but might be
interested in Lithium batteries. TIA, Howie 
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Allan Sindelar]

Howie, I’m fully in your court. Just today I replaced 2000 pounds of 18 year 
old HUPs with 1800 pounds of... HUPs. It’s a full rebuild of a 24v system from 
the mid-80s, and the scales on a system that vintage couldn’t justify a 48v 
system. 
I have asked Blue Planet more than once if they plan to one day develop a 24v 
Blue Zion package, and the answer has each time been no. So I’d like to hear if 
there’s a 24V option of equal quality and BMS sophistication. 
Thanks!
Allan Sindelar 
> On Sep 26, 2019, at 3:17 PM, Howie Michaelson  
> wrote:
> 
> I get what you are saying Jerry, but this client ( a retiring teacher in a 
> very rural, low wage school district, sadly) has lived very lightly off-grid 
> (1kW solar, 24v Rolls KS21s original batteries) for 18 years years and has no 
> pressing need to upgrade his VFX3524 inverter. I'd rather find a good 24volt 
> option to compare a straight KS21 replacement to.  I know the inverter could 
> crap out at any time, but if it ain't broke...
> Howie
> 
>> On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer  
>> wrote:
>> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show my 
>> customers all the benefits of a 48 volt upgrade it wins every time. I am not 
>> talking about busses, RV's and one night stands l am talking about off grid 
>> homes. 
>> 
>>> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson  
>>> wrote:
>>> Hi all,
>>> I've been using BlueIon batteries recently both on- and off-grid, and 
>>> really like them so far, although I have limited time on them so not a ton 
>>> of experience yet.  I am wondering what folks are liking for 24 v LiFePO4 
>>> battery options.  I have 24 volt off-grid clients who are not ready to swap 
>>> out to 48v, but might be interested in Lithium batteries. TIA,
>>> Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[jay]

You might also look at

https://www.cdtechno.com/pdf/lit/12_1137.pdf 


Which is using nano carbon, for 3000 cycles to 50%.

Other battery companies also have carbon/lead at up to 4000+ cycles for VRLA, 
and Rolls has 4500 cycles for flooded, both at 50% DOD.

The UnigyII is tried and proven tech, but low cycle life compared to the newer 
carbon LA chemistries.


jay

Peltz Power






> On Sep 26, 2019, at 2:55 PM, Jerry Shafer  wrote:
> 
> Howie
> Understand but the reality is that inverter is going to fail and then it may 
> be to late to make an upgrade and it will be more costly. You might want to 
> consider Deka Unigyll that can be bussed in 24 volts and changed to 48 volts 
> later. No it's not LI but it's a good solution. 
> Jerry
> 
> On Thu, Sep 26, 2019, 2:18 PM Howie Michaelson  > wrote:
> I get what you are saying Jerry, but this client ( a retiring teacher in a 
> very rural, low wage school district, sadly) has lived very lightly off-grid 
> (1kW solar, 24v Rolls KS21s original batteries) for 18 years years and has no 
> pressing need to upgrade his VFX3524 inverter. I'd rather find a good 24volt 
> option to compare a straight KS21 replacement to.  I know the inverter could 
> crap out at any time, but if it ain't broke...
> Howie
> 
> On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer  > wrote:
> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show my 
> customers all the benefits of a 48 volt upgrade it wins every time. I am not 
> talking about busses, RV's and one night stands l am talking about off grid 
> homes. 
> 
> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson  > wrote:
> Hi all,
> I've been using BlueIon batteries recently both on- and off-grid, and really 
> like them so far, although I have limited time on them so not a ton of 
> experience yet.  I am wondering what folks are liking for 24 v LiFePO4 
> battery options.  I have 24 volt off-grid clients who are not ready to swap 
> out to 48v, but might be interested in Lithium batteries. TIA,
> Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Dave Angelini Offgrid Solar]

My 2 cents are each client is different and if they have been fine on
that one set of batteries then do what is in their interest. An inverter is
easily replaced. I might also suggest to stay with the FLA and avoid
possible issues with LFP. No matter how good they are in many cases, they
still have electronics in them that can fail and cause a new way to lose
power offgrid. 

In my case and quite a few of my offgrid clients I want a
complete back-up of the battery if LFP is used. That is what is so nice
about having multiple battery systems. One can fail and each has it's own
BMS. A spare LFP system can also sit for a year and be fine as long as it
gets some exercise. Good Luck Howie! All good on those two Schneider xwp
and gateway/insight2 systems? 
Dave Angelini Offgrid Solar
"we go where
powerlines don't"
http://members.sti.net/offgridsolar/ [1]
e-mail
offgridso...@sti.net [2]
text 209 813 0060

On Thu, 26 Sep 2019 17:17:47
-0400, Howie Michaelson  wrote:   I get what you are saying Jerry, but this
client ( a retiring teacher in a very rural, low wage school district,
sadly) has lived very lightly off-grid (1kW solar, 24v Rolls KS21s original
batteries) for 18 years years and has no pressing need to upgrade his
VFX3524 inverter. I'd rather find a good 24volt option to compare a
straight KS21 replacement to. I know the inverter could crap out at any
time, but if it ain't broke... Howie  
  On Thu, Sep 26, 2019 at 5:03 PM
Jerry Shafer  wrote:  Dollars and sence, drop the 24 volt, BPI is a great
battery. Once l show my customers all the benefits of a 48 volt upgrade it
wins every time. I am not talking about busses, RV's and one night stands l
am talking about off grid homes.  
  On Thu, Sep 26, 2019, 1:53 PM Howie
Michaelson  wrote:   Hi all, I've been using BlueIon batteries recently
both on- and off-grid, and really like them so far, although I have limited
time on them so not a ton of experience yet. I am wondering what folks are
liking for 24 v LiFePO4 battery options. I have 24 volt off-grid clients
who are not ready to swap out to 48v, but might be interested in Lithium
batteries. TIA, Howie  ___

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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Jerry Shafer]

Howie
Understand but the reality is that inverter is going to fail and then it
may be to late to make an upgrade and it will be more costly. You might
want to consider Deka Unigyll that can be bussed in 24 volts and changed to
48 volts later. No it's not LI but it's a good solution.
Jerry

On Thu, Sep 26, 2019, 2:18 PM Howie Michaelson 
wrote:

> I get what you are saying Jerry, but this client ( a retiring teacher in a
> very rural, low wage school district, sadly) has lived very lightly
> off-grid (1kW solar, 24v Rolls KS21s original batteries) for 18 years years
> and has no pressing need to upgrade his VFX3524 inverter. I'd rather find a
> good 24volt option to compare a straight KS21 replacement to.  I know the
> inverter could crap out at any time, but if it ain't broke...
> Howie
>
> On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer 
> wrote:
>
>> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show
>> my customers all the benefits of a 48 volt upgrade it wins every time. I am
>> not talking about busses, RV's and one night stands l am talking about off
>> grid homes.
>>
>> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson <
>> howie.michael...@gmail.com> wrote:
>>
>>> Hi all,
>>> I've been using BlueIon batteries recently both on- and off-grid, and
>>> really like them so far, although I have limited time on them so not a ton
>>> of experience yet.  I am wondering what folks are liking for 24 v LiFePO4
>>> battery options.  I have 24 volt off-grid clients who are not ready to swap
>>> out to 48v, but might be interested in Lithium batteries. TIA,
>>> Howie
>>> ___
>>> List sponsored by Redwood Alliance
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>>> List Address: RE-wrenches@lists.re-wrenches.org
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[jay]

Discoverer/Rolls has a 24v one.

Feel free to contact me off list and I can share some simpliphi stories

jay



> On Sep 26, 2019, at 2:28 PM, Chad Waits  wrote:
> 
> Simpliphi... They have 24V versions of their batteries.
> 
> Chad Waits
> President
> 520-270-4873
> 
> 
> 
> On Thu, Sep 26, 2019 at 1:53 PM Howie Michaelson  > wrote:
> Hi all,
> I've been using BlueIon batteries recently both on- and off-grid, and really 
> like them so far, although I have limited time on them so not a ton of 
> experience yet.  I am wondering what folks are liking for 24 v LiFePO4 
> battery options.  I have 24 volt off-grid clients who are not ready to swap 
> out to 48v, but might be interested in Lithium batteries. TIA,
> Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Howie Michaelson]

I've been aware of Simplifi for some time now, and almost used them in my
early Li adoption phase, but moved over to The BlueIon instead for reasons
of DOD and cycle life/warranty.  I've heard good things about Simplifi as
well as Discover AES.  Does anyone have any experience with integrating
them into a single VFX3524 system?
Howie

On Thu, Sep 26, 2019 at 5:28 PM Chad Waits 
wrote:

> Simpliphi... They have 24V versions of their batteries.
>
> Chad Waits
> President
> 520-270-4873
>
>
>
> On Thu, Sep 26, 2019 at 1:53 PM Howie Michaelson <
> howie.michael...@gmail.com> wrote:
>
>> Hi all,
>> I've been using BlueIon batteries recently both on- and off-grid, and
>> really like them so far, although I have limited time on them so not a ton
>> of experience yet.  I am wondering what folks are liking for 24 v LiFePO4
>> battery options.  I have 24 volt off-grid clients who are not ready to swap
>> out to 48v, but might be interested in Lithium batteries. TIA,
>> Howie
>> ___
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Chad Waits]

Simpliphi... They have 24V versions of their batteries.

Chad Waits
President
520-270-4873



On Thu, Sep 26, 2019 at 1:53 PM Howie Michaelson 
wrote:

> Hi all,
> I've been using BlueIon batteries recently both on- and off-grid, and
> really like them so far, although I have limited time on them so not a ton
> of experience yet.  I am wondering what folks are liking for 24 v LiFePO4
> battery options.  I have 24 volt off-grid clients who are not ready to swap
> out to 48v, but might be interested in Lithium batteries. TIA,
> Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Roland Shackelford]

Simpliphi has a 24V option.

Mahalo,

Roland Shackelford
NABCEP Certified PV Installation Professional #091209-162
President
Renewable Energy Services (RES), Inc. | www.renewablenergy.com |

On Thu, Sep 26, 2019 at 11:18 AM Howie Michaelson <
howie.michael...@gmail.com> wrote:

> I get what you are saying Jerry, but this client ( a retiring teacher in a
> very rural, low wage school district, sadly) has lived very lightly
> off-grid (1kW solar, 24v Rolls KS21s original batteries) for 18 years years
> and has no pressing need to upgrade his VFX3524 inverter. I'd rather find a
> good 24volt option to compare a straight KS21 replacement to.  I know the
> inverter could crap out at any time, but if it ain't broke...
> Howie
>
> On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer 
> wrote:
>
>> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show
>> my customers all the benefits of a 48 volt upgrade it wins every time. I am
>> not talking about busses, RV's and one night stands l am talking about off
>> grid homes.
>>
>> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson <
>> howie.michael...@gmail.com> wrote:
>>
>>> Hi all,
>>> I've been using BlueIon batteries recently both on- and off-grid, and
>>> really like them so far, although I have limited time on them so not a ton
>>> of experience yet.  I am wondering what folks are liking for 24 v LiFePO4
>>> battery options.  I have 24 volt off-grid clients who are not ready to swap
>>> out to 48v, but might be interested in Lithium batteries. TIA,
>>> Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Howie Michaelson]

I get what you are saying Jerry, but this client ( a retiring teacher in a
very rural, low wage school district, sadly) has lived very lightly
off-grid (1kW solar, 24v Rolls KS21s original batteries) for 18 years years
and has no pressing need to upgrade his VFX3524 inverter. I'd rather find a
good 24volt option to compare a straight KS21 replacement to.  I know the
inverter could crap out at any time, but if it ain't broke...
Howie

On Thu, Sep 26, 2019 at 5:03 PM Jerry Shafer 
wrote:

> Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show
> my customers all the benefits of a 48 volt upgrade it wins every time. I am
> not talking about busses, RV's and one night stands l am talking about off
> grid homes.
>
> On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson 
> wrote:
>
>> Hi all,
>> I've been using BlueIon batteries recently both on- and off-grid, and
>> really like them so far, although I have limited time on them so not a ton
>> of experience yet.  I am wondering what folks are liking for 24 v LiFePO4
>> battery options.  I have 24 volt off-grid clients who are not ready to swap
>> out to 48v, but might be interested in Lithium batteries. TIA,
>> Howie
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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Jerry Shafer]

Dollars and sence, drop the 24 volt, BPI is a great battery. Once l show my
customers all the benefits of a 48 volt upgrade it wins every time. I am
not talking about busses, RV's and one night stands l am talking about off
grid homes.

On Thu, Sep 26, 2019, 1:53 PM Howie Michaelson 
wrote:

> Hi all,
> I've been using BlueIon batteries recently both on- and off-grid, and
> really like them so far, although I have limited time on them so not a ton
> of experience yet.  I am wondering what folks are liking for 24 v LiFePO4
> battery options.  I have 24 volt off-grid clients who are not ready to swap
> out to 48v, but might be interested in Lithium batteries. TIA,
> Howie
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