This contactor will take probably 10A or maybe more, for a second or so maybe (my guess) and on my Ampera my 12V failed at the precise moment this operation was taking place. But mainly it has to operate the high-power, high voltage contactors (think Frankenstein-movie pulling the huge power-switch to animate the monster!) which then connects up the 400 or 800V traction battery. ![]() This is all pretty low-power, maybe a few amps for a few seconds. When that says "unlock the car", the 12V will be used to power the door solenoids to unlock, turn on lights etc, start the computer going, loading the multimedia radio stuff etc. It's constantly using a tiny amount to power the KeyFob-detection radio circuit. Here's what I typically see for a 24-hours-undisturbed-no-charging-whatsoever day. perhaps they've simply copied this entire part of the design into the I5? Not much backup capacity if some subsystem in the car stays awake draining the battery, and H don't seem t have implemented any kind of low-voltage-detected-apply-emergency-topup-now on my car. My battery generally gets topped up to 12.9V by this 20 min session, then slowly drops to 12.6V over the next 24 hours.Īnd my battery's only 40 Ah, looks rather tiny, and is fractionally larger than that in our Citroen C1 at 35 Ah. For some reason that hasn't been rolled out to Ioniqs, so my 38 Bev does one topup/day of 20 minutes, just-about enough to keep the battery alive. Konas got an update to change from 1/day to 4/day. Strongly suggest getting a BM2 monitor the pics in first link above don't show me whether the car, when left unattended & not plugged in at all for 24 hours, does a single daily-boost, or does 4 per day. Begining to sound rather like the 12V issues on original Ioniq 28/38s & some Konas.
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