So the battery on my 2018 R is pretty dead after ~15K miles and <4 years. Been on it's last leg for a year now, the pandemic seems to have killed it off. I do have a CTEK which I've been resurrecting it with, that's getting a bit old. Going anywhere is an adventure, the suspense of "will it start". I have to assume this car has exceptionally high idle drain - never had battery fail this soon before. There is an odd node in the handbook as well about leaving the car unlocked will drain the battery (!).
Question - is it really necessary to tell the car the battery is changed if it's the same type/chemistry of battery? I would guess that's the only meaningful thing the charge system actually needs to know. It's certainly the only thing that plug in chargers/conditioners care about - they don't need to know capacity, serial, age, or anything else to recondition/charge batteries.
Seems ridiculous to shell out 200 for vcds or almost that much for one year of pro odb11 (crippled iOS version) that I'm going to use once, just to change the battery....
Thanks.
Question - is it really necessary to tell the car the battery is changed if it's the same type/chemistry of battery? I would guess that's the only meaningful thing the charge system actually needs to know. It's certainly the only thing that plug in chargers/conditioners care about - they don't need to know capacity, serial, age, or anything else to recondition/charge batteries.
Seems ridiculous to shell out 200 for vcds or almost that much for one year of pro odb11 (crippled iOS version) that I'm going to use once, just to change the battery....
Thanks.
