Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×
 


Reply
 
Thread Tools Search this Thread Display Modes
 
Old 01-27-2023, 06:29 AM   #1
1 Rivet Member
 
Bloomington , Illinois
Join Date: Feb 2022
Posts: 12
AGM to Lithium converstion

Iíd like to know that my new installation of 2 - 100a Battle Born batteries is being recognized and being optimally charged after switching from an AGM setup.

Our unit is a stock, 2023 23í flying cloud FBT with the Merlin solar option and an WFCO auto detect converter/charger.

How can I know for sure that the WFCO converter has properly recognized the lithium setup and has optimized the lithium charge profile?

I ask because the Victron smart shunt (also new) shows a graph of chg characteristics. 100% status, 13.6v, and the charge voltage never exceeded 14v.

Seems like full charge should be higher?
BHage is offline   Reply With Quote
Old 01-27-2023, 06:49 AM   #2
"Cloudsplitter"

 
2003 25' Classic
Houstatlantavegas , Malebolgia
Join Date: Jun 2007
Posts: 19,552
Images: 1
Welcome Aboard...

13.6v is fully charged in my head.
We have our Boondocker 60a lith converter set at 14.4v max.
Not sure if yours is adjustable I believe it's 14.6 & a 'float' @ 13.6. BB lith recommend 14.4 max.

Bob
🇺🇸
__________________
Iím done with ĎadultingíÖLetís go find Bigfoot.
ROBERT CROSS is online now   Reply With Quote
Old 01-27-2023, 07:00 AM   #3
1 Rivet Member
 
Bloomington , Illinois
Join Date: Feb 2022
Posts: 12
Quote:
Originally Posted by ROBERT CROSS View Post
13.6v is fully charged in my head.
We have our Boondocker 60a lith converter set at 14.4v max.
Not sure if yours is adjustable I believe it's 14.6 & a 'float' @ 13.6. BB lith recommend 14.4 max.

Bob
🇺🇸
Pretty sure same settings on ours, I have a message into Battle Born to double check. BTW, top notch customer service there.
Cause for my doubt is the shunt indicates the battery hit nothing more than 13.6v during the charge ?��
BHage is offline   Reply With Quote
Old 01-27-2023, 07:05 AM   #4
Rivet Master
 
1994 30' Excella
Mississauga , Ontario
Join Date: Jun 2004
Posts: 1,183
Charger probably detected that the battery was fully charged and stayed in float mode.
__________________
Al and Jean

TAC ON-3
BigAl is offline   Reply With Quote
Old 01-27-2023, 07:07 AM   #5
4 Rivet Member
 
2022 25' Globetrotter
Madison , Alabama
Join Date: Apr 2019
Posts: 250
I believe the WFCO AD converter will have a blue light visible from the vent openings when it's in Lithium mode. You'd probably need to pull off some panels to get to it.

13.6 V should be fully charged for a resting LifePO4 battery. Optimal bulk charging is typically in the 14.4 to 14.6 volt range. I assume 14 volts would get it charged, but it's probably not optimal. There have been several complaints about the WFCO AD converters on here recently. Some were putting out very low amperage and some weren't going into Lithium mode. I believe the fix was sending it in for a firmware upgrade.
Tyler2you is online now   Reply With Quote
Old 01-27-2023, 07:12 AM   #6
1 Rivet Member
 
Bloomington , Illinois
Join Date: Feb 2022
Posts: 12
Great info! Thank you
BHage is offline   Reply With Quote
Old 01-27-2023, 09:07 AM   #7
Half a Rivet Short
 
2017 30' Classic
2022 Interstate 24X
Carlisle , Pennsylvania
Join Date: May 2017
Posts: 15,044
Hi

Your shunt needs to be properly programmed for lithium. It may or may not be full set up. If it still is on some of the factory defaults, it may think you have lead acid batteries. Double check the shunt settings first.

Lithiums very much need to get above 14.4V on a fairly regular basis. Their cell balance / equalization software in the BMS engages when they do. Lithiums *need* to be balanced. Bad things can happen if they are not. Go back a decade or two and you can read the horror stories.

As others have mentioned, the "auto sensing" converters may or may not work out that you have switched to lithiums. It is very worth your time to dig into that.

Bob
uncle_bob is offline   Reply With Quote
Old 01-27-2023, 09:25 AM   #8
2 Rivet Member
 
27ftToaster's Avatar
 
2021 27' Flying Cloud
Wake Forest , North Carolina
Join Date: Nov 2020
Posts: 67
Blog Entries: 1
I recently did the same upgrade on my 2021 27' FC. I did not have the WFCO AD converter, so purchased one. I was instructed by WFCO that in order for the Auto Detect to "detect", I needed to do a few steps. Here is the message they sent me that worked:

The process is pretty straight forward.

Please see the link below.
https://youtu.be/-pFuVnUsPz4

The model is different, but the process is the same.
27ftToaster is offline   Reply With Quote
Old 01-27-2023, 10:13 AM   #9
1 Rivet Member
 
Bloomington , Illinois
Join Date: Feb 2022
Posts: 12
Quote:
Originally Posted by 27ftToaster View Post
I recently did the same upgrade on my 2021 27' FC. I did not have the WFCO AD converter, so purchased one. I was instructed by WFCO that in order for the Auto Detect to "detect", I needed to do a few steps. Here is the message they sent me that worked:

The process is pretty straight forward.

Please see the link below.
https://youtu.be/-pFuVnUsPz4

The model is different, but the process is the same.
Hmmmm
I might need to go through that process. Batteries are now discharging again, no Shore power, WFCO has a blue led shining in back. Should be in lithium mode. Plan to let the batteries fully discharge (guided by the internal shutoffs). One more full charge cycle, knowing light is blue, to see if it registers near 14.4.
BHage is offline   Reply With Quote
Old 01-27-2023, 05:49 PM   #10
3 Rivet Member
 
wilsodf's Avatar
 
2014 27' Flying Cloud
2023 30' International
Las Cruces , New Mexico
Join Date: Jul 2018
Posts: 144
I would call WFCO and see if yours is one of the recalled ones. I heard they had an issue with a limited number that would not auto detect. This is a thread on this. If you do, WFCO wants you to send them the unit for a software update to fix the issue .

If you call them with the model and serial number they should be able to tell you.

Good luck
wilsodf is offline   Reply With Quote
Old 01-27-2023, 05:52 PM   #11
3 Rivet Member
 
wilsodf's Avatar
 
2014 27' Flying Cloud
2023 30' International
Las Cruces , New Mexico
Join Date: Jul 2018
Posts: 144
Here is the link

https://www.airforums.com/forums/f44...ht-240363.html
wilsodf is offline   Reply With Quote
Old 01-28-2023, 07:42 AM   #12
Half a Rivet Short
 
2017 30' Classic
2022 Interstate 24X
Carlisle , Pennsylvania
Join Date: May 2017
Posts: 15,044
Hi

Again: Double check the shunt settings. If the reset point is still "lead acid" it will go to 100% automatically once it's much past 13V .... For Lithium you don't want it to reset below 14.4V.

Bob
uncle_bob is offline   Reply With Quote
Old 01-28-2023, 03:10 PM   #13
2 Rivet Member
 
2019 27' Flying Cloud
Yorba Linda , California
Join Date: Oct 2015
Posts: 34
Wfco change over to LiFe.

I just changed over to LiFe batteries and had to get them drained all the way down, then put the Airstream back on shore power and checked for the red Led, shortley after powering back up the green led went blue, indicating the change over to LiFe batteries. WFCO has a great tutorial on there systems. Note: green is lead battery, blue is LiFe batteries.
soling917 is offline   Reply With Quote
Old 01-29-2023, 06:13 AM   #14
Half a Rivet Short
 
2017 30' Classic
2022 Interstate 24X
Carlisle , Pennsylvania
Join Date: May 2017
Posts: 15,044
Hi

The nice new Victron Shunt does not know anything about the converter and gets no information when it switches. It comes out of the box set up for lead acid. It needs to be manually reprogrammed for Lithium. That needs to be checked.

Bob
uncle_bob is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
upgrade from 4 12V AGM to ? 6v AGM or ? Lithium romanf17 Batteries, Univolts, Converters & Inverters 2 01-16-2022 02:54 PM
Replacing 12V Deep Cycle with AGM or Lithium M and M Batteries, Univolts, Converters & Inverters 30 06-04-2020 11:33 AM
Acid/AGM/Lithium for newbies Vitaver Electrical - Systems, Generators, Batteries & Solar 2 12-12-2016 06:28 AM
Lithium vs AGM..... the weight discussion Troutboy Boondocking 26 12-05-2016 07:29 PM
Battery AGM (4) 6V GC2 vs (2) AGM 8D Torpedo Family Land Yacht/Legacy Motorhomes 3 11-15-2012 05:35 PM


Featured Campgrounds

Reviews provided by

Disclaimer:

This website is not affiliated with or endorsed by the Airstream, Inc. or any of its affiliates. Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.



All times are GMT -6. The time now is 03:15 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2023, Jelsoft Enterprises Ltd.