Lithium upgrade on 2023 Casita Independence

[vwbob]

As stated previously I have the WFCO AD (auto detect) charger/power center. I purchased a cheap (amazing the price range of lithium batteries) 100 AH type 31 battery (LiTime).
Removed my factory type 31 AGM - The LI battery fit the same except for a slight difference in length (longer), and height (shorter) by a few fractions of an inch. I drilled new holes in bracket to hold it and placed a wood block on top so it can't bounce up / down, then reattached factory wiring.
Battery came with a charge so I ran the refrigerator on DC mode (power hungry!) over night; in the morning Battery was 'dead' - I assume the BMS shut it down.
Then I plugged into house current to charge the new LI Battery - showed 14.45 Volt while charging on that cheap little battery gauge that Casita gave me with the trailer. According to WFCO the converter does not 'auto detect' until the battery is fully discharged and then fully charged; ‘a complete charging cycle’ and it detects the sharp 'drop off' of the LI battery at the end of charging cycle. Now (3hr charge?) shows 13.4V not plugged into house current. My chart says that’s a 99% charge, I'll take it!
Notes: WFCO has a green, red and blue LED in fan compartment (hard to see). Green is Lead Acid charging profile, Blue is Lithium profile, Red in conjunction with one or the other means a depleted battery that is charging.
Sorry for the long winded reply - thought someone may benefit from my research / experiment.
Bob

[RLJR]

OK here is what I have done: I bought the Chins 100AH and flipped the switch on the PD 4060K controller in my Casita. I have just got back from a trip from WV to the Snowy Range in WY and then down Western CO to Durango and then back East, I at first was worried about the no charge from the Honda Pilot. Then after driving all day and the bat stayed above 95% I begun to wonder. Without charging we spent the next two days with the bat only going down to 85%. We ran the heater some and the fantastic fan a lot with lights. Before leaving the Snowy Range, I ran the Gen for about 30 minutes. This brought the bat back to 100%.This procedure wasn't repeated with the Gen as about every 2 days we were on shore power. I never seen the charge below 85%. If I should do something differant let me know.

[zack sc]

Really helpful thread. Thanks Raspy and everybody. I am going to try to remember that the Victron BMV-712 battery monitor is pretty good among many other things I am learning.