After my IONIQ 5’s 12-volt battery failed, I got a battery monitor to keep track on what the 12-volt battery was doing. Was the IONIQ 5 topping it up? Was it being drained by something? I’ve tried to find out.

Here’s how to install and use a battery monitor.


Battery Monitor device (affiliate links support the channel, thank you!):

Amazon UK: https://amzn.to/36CVq6U
Amazon USA: https://amzn.to/3qE8dLz

Battery Monitor BM2 app:

iOS: https://apps.apple.com/gb/app/battery...
Android: https://play.google.com/store/apps/de...


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Please support the channel! Please use my referral links if you're looking to change to Octopus Energy or hire an EV with Onto:

Octopus Energy: £50 off — https://share.octopus.energy/free-sag...
Onto: £50 off — https://on.to (use referral code 31af4)

#IONIQ5 #12v


Chapters:

00:00 - Intro
01:45 - What is the battery monitor?
03:39 - Installing the battery monitor
06:21 - Getting the app
07:41 - Turning on Utility Mode
08:27 - Auxiliary Battery Saver+ on the e-Niro
09:12 - When does it charge the 12v battery?
10:07 - Analysing 15 days of 12v battery logs
17:22 - Tips to minimising risk of 12v drainage
18:28 - Why do we have a 12v battery?
20:46 - Conclusion