Have you done the conversion?
I'm planning to do that but have some questions on the BIM.
I'm planning to add 200A of Lithium batteries , change the converter to WF-9855 LiS, change the BIM to Li-BIM 225 and add a Victron 712 Battery monitor....
No. I have not done the conversion yet buying parts now.
I just got back from the RV show yesterday where I did buy the Victron Multiplus II 12/3000/120 50amp 2x120 for $1335.18 which I thought was a good price. Didn't find much else for the upgrade other than that. will be buying more parts today online to get this started.
I'm just a DIY guy no expert on this but have done a lot of research and after dry camping testing (which we did at the RV show in Quartsite AZ 2 weeks on BLM) I can now move forward on this as I know a bit more on what some of my needs and wants are.
(testing)
Looking at my Miramar if you do any off grid camping you will quickly notice the batteries don't last like you would think. (two 6v 200ah) If you connect the victron 712 monitor you'll notice it charges at 13.5v and mine has about 34-40ah draw over night for the refrigerator. Ice maker on pushes up to 43ah ish and batteries will be at 12.1v-12.2v. I still need to do a bit more testing on the WFCO 9800 to see what's going on but distance seems to be an issue. Your alternator will charge in the 14.+ range.
These golf cart batteries from what I found need the 14.2-14.5 volt charge to be fully charged. So right now I can only get less than 50% of the 50% of 200ah (43ah will fully discharge them at 13.5v charge) on lead acid batteries with Generator power. I believe the issue is distance from charger. my charger is under the bed and batteries are 22 feet away and the wfco doesn't really know the state of the batteries 22 feet away due to wire sizing etc. because I haven't seen it go into bulk charging on the three stages it has.
Again this is comes a none expert but I believe this is what I finding on my RV. I also do not like lead acid batteries so that's how I'm justifying the upgrade as well.
My plan is to build a racking system to install two 12v 200ah (400ah) Li batteries and components into the cargo bay where shore power plug comes in which on my RV is one bay behind the rear wheel and under the bed where all the electronics are placed. Why "Distance" batteries will be right next to Multiplus and 5 feet from generator, circuit panels, ATS etc.
Reposition shore plug, and my inline surge protector, install Multiplus II and 712 battery monitor, usb adapter, battery shut off and 600amp buss bars, 400amp t fuse etc.
Sorry for the long story but it may be useful for others that dry camping too.
Yes I'll replace the Bim with Li BIM and as it stands that will stay in the same location but run heavier wire to the back for the batteries.