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Thread: Change to lithium batteries
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03-07-2023, 02:11 PM #1
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Change to lithium batteries
We have a new to us 2022 390RK with factory solar. First thing I would like to do is swap to 2 lithium batteries. (figure I can sell the 2 brand new lead acids, since they are brand new). My question is, what else do I need to do to protect lithiums? I think I figured out I need a controller that is lithium compatible and a converter that is compatible. Does this sound correct? Any tips, hints, and info appreciated.
I tried searching, did not find exact answers, if I missed it, please shoot me link. Thanks in advance.2022 Solitude 390RK-R
2021 Chevy 3500HD Duramax 4x4 Long Bed DRW
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03-07-2023, 02:23 PM #2
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Use these for starters, others will chime in
https://www.mygrandrv.com/forum/show...ithium+install
https://www.mygrandrv.com/forum/show...ithium+installPaul, Sue & Wonder Dog Zane
'18 Solitude 310 GK
"15 F-350 6.7, DRW, CC
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03-07-2023, 03:48 PM #3
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After posting something similar early last year, I upgraded to two LiFePO4 batteries (actually the dealer installed them but the install was so terrible, I re-installed the way I wanted). In addition to the two lithium batteries, I installed a Progressive Dynamics lithium aware charge controller, Victron BMV-712 monitor, and upgraded some cabling over what the factory provided. Basic system but worked well for us last year.
Robin & John
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin, 55gal Titan
2022 Solitude 310GK-R - Dual pane, factory solar & Onan, 8K axles with discs, 18K GVWR, W/D, Heat Pump, Goosebox, Battleborn
2023 stays
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03-07-2023, 04:27 PM #4
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03-07-2023, 04:38 PM #5
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The WFCO charger that came with ours was not lithium aware - it would charge but not bring the lithiums up to full SOC. It seems like some of the later builds use WFCO chargers that can be set to lithiums - ours could not. The before/after pictures of dealer/my install are in post #12 below. You might find that thread interesting. I also added buss bars and a BlueSea shut-off. This last winter, I added battery heaters (below 32F, they don't accept a charge - at least that is the cut-off for ours). The Jaboni is only charging from the solar panel - the WFCO charges when hooked to shore power.
https://www.mygrandrv.com/forum/show...-on-cable-sizeRobin & John
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin, 55gal Titan
2022 Solitude 310GK-R - Dual pane, factory solar & Onan, 8K axles with discs, 18K GVWR, W/D, Heat Pump, Goosebox, Battleborn
2023 stays
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03-07-2023, 05:12 PM #6
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A couple additional links for your reading pleasure.
https://www.mygrandrv.com/forum/show...y-Installation
https://www.mygrandrv.com/forum/show...-Ion-Batteries
https://www.mygrandrv.com/forum/show...y-choice/page5
https://www.mygrandrv.com/forum/show...dvice-Needed):Robin & John
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin, 55gal Titan
2022 Solitude 310GK-R - Dual pane, factory solar & Onan, 8K axles with discs, 18K GVWR, W/D, Heat Pump, Goosebox, Battleborn
2023 stays
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03-07-2023, 06:33 PM #7
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David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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03-07-2023, 07:08 PM #8
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03-07-2023, 07:32 PM #9
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Robin & John
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin, 55gal Titan
2022 Solitude 310GK-R - Dual pane, factory solar & Onan, 8K axles with discs, 18K GVWR, W/D, Heat Pump, Goosebox, Battleborn
2023 stays
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03-08-2023, 08:33 AM #10
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Not the person you were replying to, but some of the converters and controllers sent from the factory are Lithium ready and others are not, there is no way to tell without looking at yours specifically. Take a look at your controller and converter and note the make and model, then look up (or post here) if it's lithium compatible. If it's not, they are very simple to change out and this is a great upgrade to make for your electrical system.
2022 GMC Sierra 3500 AT4, CC, SRW, 6.6L L8T Gas, MYD 6-Speed
2022 Reflection 303RLS w/ Gen-Y Executive gooseneck conversion hitch
630aH LiFePO4 Lion Energy battery bank, Victron Multi-Plus II Inverter, Victron MPPT, 563w solar array, CerboGX, 40a DC-DC charger
Industry Looking for Lithium...
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