I don't know anything about calibration.
From what I understand, most folks who install Ohmmu batteries have a pretty seemless experience.
My situation may be an edge case since the vehicle was left for 6 months without charging and went completely dead.
FWIW, I ordered and installed the Ohmmu lithium battery this week. My R1T still displayes the dreaded "Replace 12v Battery Soon" error. Haven't been able to eliminate it with multiple resets by disconnecting the high voltage and 12v systems.
Ohmmu has been pretty responsive to my tech support...
FWIW, this is what I ended up with as a Drive Cam setup after reading many of these posts and experimenting a little.
Components:
SAMSUNG PRO Endurance 256GB MicroSDXC (link) as recommended by several others.
Anker MagGo USB-C Adapter, SD Card Reader (link)
Magsafe Ring Sticker (link)
This...
I just want to take a moment to appreciate all the work @Budman did and acknowledge the joy it gave me to nerd out on his data and analysis. Especially appreciated the key findings and conclusions for people like me who might get lost in the data and lose sight of the pragmatic.
Great insights...
Just thought I would add on my experience jump starting my late 2023 R1T...
Bought mine at auction. It had been in the lot since May, delivered to my place on a carrier in November. Dead brick not at all responsive to either key fob or card. Driver had expectation that I would have a handy...
Here's a shot of the Ride dashboard for low voltage after a day of driving with then new cheapie lithium.
Charge is at 14.3v which seems a bit higher than the old battery at 13.something.
LV Maintenance Status = 1.0, which I assume is binary for "yes, needs maintenance".
For the life of me I...
Is there such a thing? I don't see it.
I'm on 2024.11.02. When chatting with Rivian, it seems that the 12v issue is preventing resolution allowing further updates.
OK, so I ended up dropping in this Lithium battery today as a replacement for the original failed OEM deep cycle lead-acid battery...
https://www.amazon.com/gp/product/B0D66QCB3L
So far, the battery warning has not resolved, however the vehicle drives normally and otherwise seems to function...
I'm a new owner as of 2 weeks ago. Chatted with Rivian customer support and they said the NACS adapter was being sent out by a third party. It would be sent to the previous owner. They offered no way to redirect the shipment. Said adapters were limited to 1 per VIN.
They actually suggested as a...
If it helps others, I found this site that describes the battery group simply as "12v 18Ah". It has a list of several batteries from different manufacturers all with the same voltage and dimensions as the Rivian battery. SLA, AGM, and LFP (Lithium Iron Phosphate) versions are listed...