Re: [RE-wrenches] LG Chem RESU10H Battery Question

[Darryl Thayer via RE-wrenches]

Hi David I think although it is 450 volts out, the battery is actually moch
lower voltage and has a buck boost charge controller. It bucks the voltage
down to charge the battery and boost the voltage to serve the load.  If you
open the battery and rewire you will need a BMS, you can find on line but
you need to know the battery voltages I think it is 3.8 to 4.1.  NMC
perhaps some one on line knows

On Fri, Jun 30, 2023, 11:40 AM David Katz via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> I have an LG Chem RESU10H Battery that was originally sold with a
> SunnyStorage inverter.  Does anyone know if there is a way to turn on the
> battery output terminals so it can be charged without the inverter. No
> lights come on when you turn on the main switch and the output breaker.
> There is a small terminal strip for control wires. There is a 12V + and –
> terminal and a Batt En terminal.  Does any one know if powering the Batt
> En. Terminal turns it on?  I am going to try that but I am not sure what
> voltage that terminal wants to see.
>
> Thanks
>
> David Katz
>
>
>
> David Katz
>
> *President*
>
> *www.tamaracksolar.com *
>
> (707) 222-6240 Ext: 105 | (707) 832-7487
>
> dk...@tamaracksolar.com
>
>
>
>
>
>
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Re: [RE-wrenches] LG Chem RESU10H Battery Question

[David Katz via RE-wrenches]

Hi David. There sure are a lot of David’s around. Where are you. I would love 
to borrow it.
David

Get Outlook for iOS<https://aka.ms/o0ukef>

From: RE-wrenches  on behalf of 
david quattro via RE-wrenches 
Sent: Friday, June 30, 2023 12:15:07 PM
To: RE-wrenches ; offgridso...@sti.net 

Cc: david quattro 
Subject: Re: [RE-wrenches] LG Chem RESU10H Battery Question

Hi David and David, it’s me David
Since no lights come on when you turn the breakers on, it sounds like the 
battery is deeply discharged. I bought a specialized charger for the RESU10H.   
If you want to borrow it let me know.
David Quattro


On Fri, Jun 30, 2023 at 10:40 AM Dave Angelini Offgrid Solar via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hi David,

I own and tested the 48V version Resu10, not the 10H that you have. On the one 
I have, the battery needs a heartbeat signal to operate.
Without that signal from the inverter or a device that talks to LG battery the 
contactor will open and shut down the battery.

This was a pretty early lithium offering and has proven to be very undesirable. 
We destroyed 2 of the Resu 10's with XW charge currents.

Not sure if your plan is safe. Maybe the guy's here will know more. I would 
hold off until. Good Luck



Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail  offgridso...@sti.net<mailto:offgridso...@sti.net>
text 209 813 0060


On 2023-06-30 9:39 am, David Katz via RE-wrenches wrote:

I have an LG Chem RESU10H Battery that was originally sold with a SunnyStorage 
inverter.  Does anyone know if there is a way to turn on the battery output 
terminals so it can be charged without the inverter. No lights come on when you 
turn on the main switch and the output breaker.  There is a small terminal 
strip for control wires. There is a 12V + and – terminal and a Batt En 
terminal.  Does any one know if powering the Batt En. Terminal turns it on?  I 
am going to try that but I am not sure what voltage that terminal wants to see.

Thanks

David Katz



[cid:1890d94204ead7999131]

David Katz

President

www.tamaracksolar.com<http://www.tamaracksolar.com/>

(707) 222-6240 Ext: 105 | (707) 832-7487

dk...@tamaracksolar.com<mailto:dk...@tamaracksolar.com>







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--

David Quattro
CA License # 954020. C-10, C-46
ph (415) 312-2661
www.quattrosolar.com<http://www.quattrosolar.com/>

[https://ci3.googleusercontent.com/mail-sig/AIorK4x2CRHFQ2qTbaBSriGv3NFF6o3vPHKxr35HvBHYllFRBH-f8WALTOLOC2nxs0tEJHjB2WO6u2FFqPE4NBNuRqDKo2NJa7HpcNg2TVse5Q]
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Re: [RE-wrenches] LG Chem RESU10H Battery Question

[david quattro via RE-wrenches]

Hi David and David, it’s me David
Since no lights come on when you turn the breakers on, it sounds like
the battery is deeply discharged. I bought a specialized charger for the
RESU10H.   If you want to borrow it let me know.
David Quattro


On Fri, Jun 30, 2023 at 10:40 AM Dave Angelini Offgrid Solar via
RE-wrenches  wrote:

> Hi David,
>
> I own and tested the 48V version Resu10, not the 10H that you have. On the
> one I have, the battery needs a heartbeat signal to operate.
> Without that signal from the inverter or a device that talks to LG battery
> the contactor will open and shut down the battery.
>
> This was a pretty early lithium offering and has proven to be very
> undesirable. We destroyed 2 of the Resu 10's with XW charge currents.
>
> Not sure if your plan is safe. Maybe the guy's here will know more. I
> would hold off until. Good Luck
>
>
>
> *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 2023-06-30 9:39 am, David Katz via RE-wrenches wrote:
>
> I have an LG Chem RESU10H Battery that was originally sold with a
> SunnyStorage inverter.  Does anyone know if there is a way to turn on the
> battery output terminals so it can be charged without the inverter. No
> lights come on when you turn on the main switch and the output breaker.
> There is a small terminal strip for control wires. There is a 12V + and –
> terminal and a Batt En terminal.  Does any one know if powering the Batt
> En. Terminal turns it on?  I am going to try that but I am not sure what
> voltage that terminal wants to see.
>
> Thanks
>
> David Katz
>
>
>
> David Katz
>
> *President*
>
> *www.tamaracksolar.com *
>
> (707) 222-6240 Ext: 105 | (707) 832-7487
>
> dk...@tamaracksolar.com
>
>
>
>
>
>
>
> ___
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
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> other:
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> --

David Quattro
CA License # 954020. C-10, C-46
ph (415) 312-2661
www.quattrosolar.com
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Re: [RE-wrenches] LG Chem RESU10H Battery Question

[David Katz via RE-wrenches]

Thanks Dave.  That’s why I am asking.  Does the heart beat come through the Can 
Bus?  There are a lot of these around that did not work as intended.  I am 
consdidering opening this one up and reconfiguring for 56 volts.  This one is 
450 volts.  Maybe that’s what the H stands for.
David

[cid:image001.png@01D9AB4A.CA07F8F0]
David Katz
President
www.tamaracksolar.com<http://www.tamaracksolar.com/>
(707) 222-6240 Ext: 105 | (707) 832-7487
dk...@tamaracksolar.com<mailto:dk...@tamaracksolar.com>



From: RE-wrenches  On Behalf Of Dave 
Angelini Offgrid Solar via RE-wrenches
Sent: Friday, June 30, 2023 10:41 AM
To: RE-wrenches 
Cc: Dave Angelini Offgrid Solar 
Subject: Re: [RE-wrenches] LG Chem RESU10H Battery Question

Hi David,

I own and tested the 48V version Resu10, not the 10H that you have. On the one 
I have, the battery needs a heartbeat signal to operate.
Without that signal from the inverter or a device that talks to LG battery the 
contactor will open and shut down the battery.

This was a pretty early lithium offering and has proven to be very undesirable. 
We destroyed 2 of the Resu 10's with XW charge currents.

Not sure if your plan is safe. Maybe the guy's here will know more. I would 
hold off until. Good Luck



Dave Angelini Offgrid Solar

"we go where powerlines don't"

http://members.sti.net/offgridsolar/

e-mail  offgridso...@sti.net<mailto:offgridso...@sti.net>

text 209 813 0060



On 2023-06-30 9:39 am, David Katz via RE-wrenches wrote:

I have an LG Chem RESU10H Battery that was originally sold with a SunnyStorage 
inverter.  Does anyone know if there is a way to turn on the battery output 
terminals so it can be charged without the inverter. No lights come on when you 
turn on the main switch and the output breaker.  There is a small terminal 
strip for control wires. There is a 12V + and – terminal and a Batt En 
terminal.  Does any one know if powering the Batt En. Terminal turns it on?  I 
am going to try that but I am not sure what voltage that terminal wants to see.

Thanks

David Katz



[cid:image001.png@01D9AB4A.CA07F8F0]

David Katz

President

www.tamaracksolar.com<http://www.tamaracksolar.com/>

(707) 222-6240 Ext: 105 | (707) 832-7487

dk...@tamaracksolar.com<mailto:dk...@tamaracksolar.com>







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Re: [RE-wrenches] LG Chem RESU10H Battery Question

[Dave Angelini Offgrid Solar via RE-wrenches]

Hi David,

I own and tested the 48V version Resu10, not the 10H that you have. On 
the one I have, the battery needs a heartbeat signal to operate.
Without that signal from the inverter or a device that talks to LG 
battery the contactor will open and shut down the battery.


This was a pretty early lithium offering and has proven to be very 
undesirable. We destroyed 2 of the Resu 10's with XW charge currents.


Not sure if your plan is safe. Maybe the guy's here will know more. I 
would hold off until. Good Luck


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 2023-06-30 9:39 am, David Katz via RE-wrenches wrote:

I have an LG Chem RESU10H Battery that was originally sold with a 
SunnyStorage inverter.  Does anyone know if there is a way to turn on 
the battery output terminals so it can be charged without the inverter. 
No lights come on when you turn on the main switch and the output 
breaker.  There is a small terminal strip for control wires. There is a 
12V + and - terminal and a Batt En terminal.  Does any one know if 
powering the Batt En. Terminal turns it on?  I am going to try that but 
I am not sure what voltage that terminal wants to see.


Thanks

David Katz

David Katz

President

www.tamaracksolar.com [1]

(707) 222-6240 Ext: 105 | (707) 832-7487

dk...@tamaracksolar.com

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Links:
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