Re: [RE-wrenches] LiFePo4 and FNDC

2021-12-15 Thread Jeremy Rodriguez
Iron Edison RE Volt 10.2 Battery Amp Hours - 600 Charged Voltage - 56 VDC Charge return amps- 30A Time- 6 minutes Charge Factor- 99% Jeremy Rodriguez Solar Installation / Design Expert All Solar, Inc. 1453 M St Penrose Colorado 81240 Sent by Jeremy's iPhone. Sorry for typos and shorthand. On

Re: [RE-wrenches] LiFePo4 and FNDC

2021-12-15 Thread Jay
Hi Jeremy What lithium’s do you have? And what are your settings on the fndc? Jay > On Dec 15, 2021, at 7:07 AM, Jeremy Rodriguez wrote: > >  > Wrenches, > Does anyone have some recommend settings for the OB Battery monitor when > using Lithiums > We installed a 600 hr pack at 48v

Re: [RE-wrenches] LiFePo4 and FNDC

2021-12-15 Thread Luke Christy
Hi Jeremy, I have a lot of LiFePo4 battery systems out there on the Outback platform and we ran into that issue also. The main issue with the Low SOC alarm is the blinking red light that tends to unsettle clients. The trigger for the Low SOC alert is adjustable though, and it’s pretty easy to

[RE-wrenches] LiFePo4 and FNDC

2021-12-15 Thread Jeremy Rodriguez
Wrenches, Does anyone have some recommend settings for the OB Battery monitor when using Lithiums We installed a 600 hr pack at 48v the MATE has been lately throwing a LOW SOC event. I have reached out to the battery manufacturer, and used their recommended settings but they suggest to

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-06-06 Thread Dave Angelini Offgrid Solar
enches [8] On Behalf Of Dave Angelini Offgrid Solar Sent: Friday, May 21, 2021 12:33 PM To: RE-wrenches [9] Subject: Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage I can think of a few other things for the wish list! l Closed loop charging with multiple sources. Robust BMS design to not be a

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-06-06 Thread Ray
33 PM To: RE-wrenches Subject: Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage I can think of a few other things for the wish list! l Closed loop charging with multiple sources. Robust BMS design to not be a new source of power failures Offgrid. Spare BMS for sale with product that is servicab

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-06-06 Thread la...@starlightsolar.com
PV Installation Professional Cell 530-448-9692 www.solarwindworks.com ch...@solarwindworks.com -Original Message- From: RE-wrenches On Behalf Of Dave Angelini Offgrid Solar Sent: Friday, May 21, 2021 12:33 PM To: RE-wrenches Subject: Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage I

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-06-05 Thread Michael Morningstar
l Message- > From: RE-wrenches On Behalf Of > Dave Angelini Offgrid Solar > Sent: Friday, May 21, 2021 12:33 PM > To: RE-wrenches > Subject: Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage > > I can think of a few other things for the wish list! l Closed loop charging &g

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-06-05 Thread Chris Worcester
Installation Professional Cell 530-448-9692 www.solarwindworks.com ch...@solarwindworks.com -Original Message- From: RE-wrenches On Behalf Of Dave Angelini Offgrid Solar Sent: Friday, May 21, 2021 12:33 PM To: RE-wrenches Subject: Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage I can

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-05-21 Thread Dave Angelini Offgrid Solar
I can think of a few other things for the wish list! l Closed loop charging with multiple sources. Robust BMS design to not be a new source of power failures Offgrid. Spare BMS for sale with product that is servicable. Gets Soc and temp into Insight and Optics A company that will be there when I

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-05-21 Thread Ray
This is the only company I know of that has dealt with the low temperature charging issue.  Its a great product, and the blue tooth monitoring is an excellent feature too.  This is what the other Li+ batteries should be doing.  The big down side is they are currently limited to 12v.  Wish they

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-05-21 Thread Larry
My personal opinion is that you should not buy any lithium battery that does not provide adequate protection for all modes of operation. Freezing does not damage the battery; charging a frozen battery may damage it quickly. Trickle charging the battery is not the solution. There are two

Re: [RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-05-21 Thread Dave Angelini Offgrid Solar
I doubt you will do any good with trickle charging at cold temps. LFP is too efficient and there is litlle self heating, so this will not work. Probably need to use LA or roll the dice. An expensive mistake if you lose. Even heating pads need a fossile fuel source in cold country with LFP

[RE-wrenches] LiFePo4 Low Temp Charging Damage

2021-05-21 Thread Mark Frye
Folks, If I have a charger that does not have low battery charge cut-off, I can get in trouble if I have a frozen pack and apply a charging voltage. But, if I start with a pack that is above freezing and keep a trickle charge on it, can I keep that pack safe from freezing and damage? Or at

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-09 Thread Darryl Thayer
I see now Larry and Alex explained one of my problems was low capacty early shut down. I had the cc set to absorb volts below 100% and over two years the battery seemed to lose capacity. Voc 80 volts solar array The cc absorb 55 volts i was not charging full. The BMS. would never top balance.

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-08 Thread Dave Angelini Offgrid Solar
Got 113 attached screen. What is different or what should I look for please? --Dave On Tue, 8 Jan 2019 10:15:40 -0800, Alex MeVay wrote: > Hi All, > > As Larry said, when a lithium BMS disconnects, this causes a "load > dump" just like disconnecting a lead-acid battery. Well-designed >

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-08 Thread Dave Angelini Offgrid Solar
We did the LG RESU 48v field testing here for Schneider. Never had any problems with this and both of their cc's. Still running fine 2 years later. What I found was in the effort to get to 100% Soc there would be micro cycles of the battery. By staying below 100% there was not any more issue

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-08 Thread Alex MeVay
Hi All, As Larry said, when a lithium BMS disconnects, this causes a "load dump" just like disconnecting a lead-acid battery. Well-designed chargers (solar or otherwise) should be able to handle this without damage, though a failing or poorly-designed lithium battery may cause this to happen

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-08 Thread Darryl Thayer
Hello Larry is always a good source. I have used Morningstar MPPT 60 s on my few LiFe po4 systems 4 years now, no controller problems or equipment problems yet. I imagine when the BMS disconnects battery voltage high, controller output goes high for a short period i will put an Egauge on the

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-08 Thread Starlight Solar Power Systems
There was some off board chatter about this subject but I think it is useful to some to copy my comments on the board. If a Li battery EMS or BMS detects a fault condition, it can cause an open circuit to the battery. As the battery owner gets familiar with their new energy storage system,

Re: [RE-wrenches] LiFePo4 vs BOS]

2019-01-07 Thread dan
oopsi daisyDan BrownFoxfire Energy Corp.Renewable Energy Systems(802)-483-2564www.Foxfire-Energy.com Original Message Subject: Re: OffList Re: [RE-wrenches] LiFePo4 vs BOS From: "b...@midnitesolar.com" <b...@midnitesolar.com> Date: Mon, January 07, 2019 4:09 pm

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-07 Thread Howie Michaelson
Good to know Larry. I'm just trying to clarify what Dan is setting and what outback is claiming. Thanks On Mon, Jan 7, 2019, 2:43 PM Starlight Solar Power Systems < la...@starlightsolar.com wrote: > Howie, > > We have many hundreds of Li battery systems sold and installed. Never had > any

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-07 Thread Starlight Solar Power Systems
Howie, We have many hundreds of Li battery systems sold and installed. Never had any failure of PV controllers including Outback due to charging Li-ion. Larry Crutcher Starlight Solar Power Systems On Jan 7, 2019, at 11:23 AM, Howie Michaelson wrote: Hey Dan, Are you saying that OB is

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-07 Thread dan
-wrenches] LiFePo4 vs BOS From: jay <jay.pe...@gmail.com> Date: Mon, January 07, 2019 12:57 pm To: RE-wrenches <re-wrenches@lists.re-wrenches.org> HI Dan,I’d like to know more about the system:battery brandsize of the PVvoltagejaypeltz powerOn Jan 7, 2019, at 6:46 AM, <d...@foxfire

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-07 Thread dan
Sorry, These are LiFePO4.. NiFe was last week.. my BadDan BrownFoxfire Energy Corp.Renewable Energy Systems(802)-483-2564www.Foxfire-Energy.com Original Message Subject: Re: [RE-wrenches] LiFePo4 vs BOS From: Dave Angelini Offgrid Solar <offgridso...@sti.net> Date: Mon, J

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-07 Thread Howie Michaelson
Hey Dan, Are you saying that OB is claiming that NiFePO4 batteries are smoking their charge controllers? Do they say why? Is this also true of LiFePO4 batteries? If you wouldn't mind mentioning which battery manufacture you are dealing with? Thanks, Howie Michaelson Sun Catcher On Mon, Jan 7,

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-07 Thread jay
HI Dan, I’d like to know more about the system: battery brand size of the PV voltage jay peltz power > On Jan 7, 2019, at 6:46 AM, > wrote: > > I've been asked to trouble shoot a problem with a new set of LiFePO4 > batteries on an older OB system.. The customer complained the system would

Re: [RE-wrenches] LiFePo4 vs BOS

2019-01-07 Thread Dave Angelini Offgrid Solar
You state that the battery is a LiFe and Outback said it is a Nife bms. Can you clarify please? 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 Mon, 07 Jan 2019 07:46:39 -0700, wrote:

[RE-wrenches] LiFePo4 vs BOS

2019-01-07 Thread dan
I've been asked to trouble shoot a problem with a new set of LiFePO4 batteries on an older OB system.. The customer complained the system would go dark within a few min. of the batt indicator light going yellow.. From what I've gathered so far the BMS of the batteries is shutting down.. The

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-25 Thread markf
Dan, Can you give us a quick over view of the ins and outs of the NiFe batteries? Thanks, Mark Frye > Marco; > Winter storms, hurricanes, earthquakes, tornados, floods, etc. - backup > power. Maybe load shaving as the utilities get more persnickety on time of > use upcharges. > > Of course

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-25 Thread Dan Fink
Hello Mark; My NiFes went in last March, I'm almost at a year living with them off the grid. To avoid writing a novel here I'll group my comments into Oddities, Advantages and Disadvantages. Advantages: ~ at least 25 year lifespan ~ 10 year warranty ~ Can add more parallel strings at any

Re: [RE-wrenches] LiFePO4

2016-01-25 Thread Peter Parrish
--Original Message- From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of ma...@berkeleysolar.com Sent: Monday, January 25, 2016 12:28 PM To: RE-wrenches Subject: Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries Dan, Can you give us a quick

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-24 Thread Starlight Solar Power Systems
Aloha Marco, If most of your customers take good care of their lead battery banks, the cost may be well more than one could justify. The types of customers I service regularly destroy batteries for a few, repeated reasons. We offer the lithium battery because it overcomes all the reasons their

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-23 Thread Starlight Solar Power Systems
nd who knows how that is going to go. Best, August From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org <mailto:re-wrenches-boun...@lists.re-wrenches.org>] On Behalf Of Starlight Solar Power Systems Sent: Friday, January 22, 2016 2:46 PM To: RE-wrenches Subject: Re:

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-23 Thread Allan Sindelar
Larry, Thank you for correcting my post. As I have not signed an NDA I didn't know this. The only term I recall hearing was "manufacture". Allan Allan Sindelar

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-23 Thread frenergy
s [mailto:re-wrenches-boun...@lists.re-wrenches.org <mailto:re-wrenches-boun...@lists.re-wrenches.org>] *On Behalf Of *Starlight Solar Power Systems *Sent:* Friday, January 22, 2016 2:46 PM *To:* RE-wrenches *Subject:* Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries Hi Al

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-22 Thread Allan Sindelar
Wrenches, A longtime off grid friend of mine, with whom both I and Positive Energy have collaborated on difficult installations over the years, just purchased a 24V 230AH, 120 lb. LiFePO4 (Lithium Iron Phosphate) battery bank that is locally manufactured in Albuquerque.

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-22 Thread Starlight Solar Power Systems
Hi Allan, I would like to challenge the use of the term "locally manufactured". Mccune Solar Works does not manufacture lithium batteries. They purchase battery cells from China and package other third party components like EMS and relays to make a lithium battery system. Very similar to what

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-22 Thread August Goers
Systems *Sent:* Friday, January 22, 2016 2:46 PM *To:* RE-wrenches *Subject:* Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries Hi Allan, I would like to challenge the use of the term "locally manufactured". Mccune Solar Works does not manufacture lithium

Re: [RE-wrenches] LiFePo4

2014-09-20 Thread William Miller
] On Behalf Of jarmo.venalai...@schneider-electric.com Sent: Monday, September 15, 2014 7:09 PM To: RE-wrenches Subject: Re: [RE-wrenches] LiFePo4 Hi: We've done some testing and operation of Lion battery banks in the 10 kWh range with our inverter chargers and so far the most important findings

Re: [RE-wrenches] LiFePo4

2014-09-18 Thread Starlight Solar Power Systems
William, This is one reason I choose to avoid the black box approach to Li-ion batteries for our customers. There are several companies offering enclosed battery/controls like the OES. Their approach does not match well to the off-grid and mobile markets that I serve. Since most LFP

Re: [RE-wrenches] LiFePo4

2014-09-18 Thread b...@midnitesolar.com
One thing that could possibly be done is to have a smaller lead acid battery in parallel with the LiFePo bank so the LiFePo contains most of the energy storage, but the LA can supply the surges and low impedance source voltage. boB On 9/18/2014 8:53 AM, Starlight Solar Power Systems

Re: [RE-wrenches] LiFePo4

2014-09-18 Thread Starlight Solar Power Systems
boB, When charging a LFP battery, the charge terminates when absorb voltage is reached unless you have an enormous charger in which case you will need to terminate based on AH returned. You would also need to isolate the LA battery to finish charging it. Plus, LA needs higher voltages than

Re: [RE-wrenches] LiFePo4

2014-09-18 Thread b...@midnitesolar.com
Yes, well of course there are these details. If the LFP surge is a limitation, but not its amount of overall energy storage, then you may have to add a very large amount of LFP storage to overcome that which could be overkill and cost a lot of extra $. It's all a compromise. boB On

Re: [RE-wrenches] LiFePo4

2014-09-18 Thread Starlight Solar Power Systems
Truth is there is likely more than enough capacity in the LFP battery the customer has but the manufacturer built a limit into the “box. The limit of our battery is set to 10C for 30 seconds. WAY more than any inverter can draw with even a small bank. Larry On Sep 18, 2014, at 12:26 PM,

Re: [RE-wrenches] LiFePo4

2014-09-18 Thread b...@midnitesolar.com
Oh, OK then. I thought that somebody had noticed a voltage drop when surging. When people ask me if they can use LFP or other Lithium chemistry batteries, I tell them yes because when they buy a LFP battery system, (or one of their Lithium Ion relatives) it has all the protection and

Re: [RE-wrenches] LiFePo4

2014-09-18 Thread Starlight Solar Power Systems
boB, IMPORTANT: If you ever plan to make a Li-ion control I/O, do it with CAN bus. The whole industry is there. Our GBS product has CAN bus on the CPU to control a variety of chargers now. I hope inverter and CC manufacturers see this great potential. It would be easy for my CPU to tell the

Re: [RE-wrenches] LiFePo4

2014-09-18 Thread b...@midnitesolar.com
Yeah, CAN bus is used (was designed mainly) for automobiles and I bet EVs had something to do with Lion battery BOS's being CAN. We actually have a modbus (RS232) to CAN converter that could be used for this I think. That kind of stuff isn't all that hard to do and you may find generic

Re: [RE-wrenches] LiFePo4

2014-09-17 Thread jay peltz
Mail Attachment.jpeg *** Please consider the environment before printing this e-mail From:William Miller will...@millersolar.com To: RE-wrenches re-wrenches@lists.re-wrenches.org, Date:09/15/2014 04:27 PM Subject: [RE-wrenches] LiFePo4 Sent by: RE-wrenches re

Re: [RE-wrenches] LiFePo4

2014-09-17 Thread Jarmo . Venalainen
: www.SEsolar.com | Address: 3700 Gilmore Way, Burnaby, BC V5G4M1 *** Please consider the environment before printing this e-mail From: Starlight Solar Power Systems la...@starlightsolar.com To: RE-wrenches re-wrenches@lists.re-wrenches.org, Date: 09/16/2014 10:14 AM Subject: Re: [RE-wrenches

Re: [RE-wrenches] LiFePo4

2014-09-17 Thread toddcory
perhaps i'm just an old school old fart, but i still think flooded, lead calcium cells are the best solution for battery back-up grid ties. i have a set from 1986, replaced when they ended their 20 year service life from our local hydroelectric plant... still going strong. i am also finding

Re: [RE-wrenches] LiFePo4

2014-09-17 Thread Starlight Solar Power Systems
William, What did you find at the site? I did not see any attachment or link in your email so let me know what you are working on. Do you have any questions about the batteries/system? Larry On Sep 16, 2014, at 12:31 AM, William Miller will...@millersolar.com wrote: Friends: Here are

Re: [RE-wrenches] LiFePo4

2014-09-17 Thread William Miller
Gradient Cap_mini Lic 773985 http://www.millersolar.com/ millersolar.com 805-438-5600 From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Starlight Solar Power Systems Sent: Wednesday, September 17, 2014 4:06 PM To: RE-wrenches Subject: Re: [RE-wrenches] LiFePo4

Re: [RE-wrenches] LiFePo4

2014-09-17 Thread William Miller
-boun...@lists.re-wrenches.org] On Behalf Of William Miller Sent: Wednesday, September 17, 2014 9:15 PM To: 'RE-wrenches' Subject: Re: [RE-wrenches] LiFePo4 Larry: I failed to paste the link in one email. I followed up with the link below. You may have missed the resend: http

Re: [RE-wrenches] LiFePo4

2014-09-16 Thread William Miller
: Monday, September 15, 2014 7:09 PM To: RE-wrenches Subject: Re: [RE-wrenches] LiFePo4 Hi: We've done some testing and operation of Lion battery banks in the 10 kWh range with our inverter chargers and so far the most important findings are: 1. The battery pack must have its own battery

Re: [RE-wrenches] LiFePo4

2014-09-16 Thread Mac Lewis
7:09 PM *To:* RE-wrenches *Subject:* Re: [RE-wrenches] LiFePo4 Hi: We've done some testing and operation of Lion battery banks in the 10 kWh range with our inverter chargers and so far the most important findings are: 1. The battery pack must have its own battery management system

Re: [RE-wrenches] LiFePo4

2014-09-16 Thread Larry Crutcher, Starlight Solar Power Systems
Mac, Li-ion batteries are connected the same as any other deep cycle, positive and negative terminals. The Battery management is done actively on each cell. The brand that we sell has a CPU that receives serial data from the string of “sense” boards that are monitoring temperature and voltage

Re: [RE-wrenches] LiFePo4

2014-09-16 Thread Starlight Solar Power Systems
ERROR….I meant to say ….reach 3.55 volts per cell. On Sep 16, 2014, at 9:43 AM, Larry Crutcher, Starlight Solar Power Systems la...@starlightsolar.com wrote: Mac, Li-ion batteries are connected the same as any other deep cycle, positive and negative terminals. The Battery management is done

Re: [RE-wrenches] LiFePo4

2014-09-16 Thread Starlight Solar Power Systems
Jarmo, I must say I disagree with most of what you have said. In the EV DIY industry, there are a growing number of conversions using LFP battery banks without any BMS or EMS at all. These pioneers are risking there multi-thousand banks because they have learned something about these cells.

Re: [RE-wrenches] LiFePo4

2014-09-16 Thread Ray Walters
, Date: 09/15/2014 04:27 PM Subject:[RE-wrenches] LiFePo4 Sent by:RE-wrenches re-wrenches-boun...@lists.re-wrenches.org Wrenches: Does anyone have any experience with Lithium Ferrous Phosphate cells? What

[RE-wrenches] LiFePo4

2014-09-15 Thread William Miller
Wrenches: Does anyone have any experience with Lithium Ferrous Phosphate cells? What are your experiences? I am looking at an installation tomorrow and would like some input. Thanks in advance. William Miller Gradient Cap_mini Lic 773985 millersolar.com

Re: [RE-wrenches] LiFePo4

2014-09-15 Thread Larry Crutcher, Starlight Solar Power Systems
Hi William, I have designed and installed a few lithium iron battery banks. We now stock the GBS line and plan to add additional brands soon. My experience is very positive toward the performance and future of LFP and LFMP as a replacement to lead acid for off grid, stand-by and mobile use. As

Re: [RE-wrenches] LiFePo4

2014-09-15 Thread Jarmo . Venalainen
-wrenches re-wrenches@lists.re-wrenches.org, Date: 09/15/2014 04:27 PM Subject: [RE-wrenches] LiFePo4 Sent by: RE-wrenches re-wrenches-boun...@lists.re-wrenches.org Wrenches: Does anyone have any experience with Lithium Ferrous Phosphate cells? What are your experiences? I am looking

Re: [RE-wrenches] LiFePo4

2014-09-15 Thread William Korthof
One of the projects I've been working on is a secondary LiIon battery pack solution using refurbished EV battery modules originally build by AC Propulsion and now needing a home. 100Ah or 200Ah x 48 volt nominal. The batteries were originally built for EV use with relatively high performance, so