Just posting this in case it helps anyone else. The i-stop hasn't been working for a couple of years on my 2015 CX-5.
I'd taken to charging the battery at night, which revived it for a day or so.
I just read post on another forum where a guy solved the issue by removing some power bank device that his sat-nav was connected to.
2 years ago I bought a RavPower USB-C Power delivery charger that's been plugged in for those 2 years.
Unplugged this & i-stop immediately returned. It would seem the device was putting a load on the battery even when not charging.
Back to a standard charger now. I was almost ready to drop £150 on a new battery to try & solve the issue.
Hope this helps
I'd taken to charging the battery at night, which revived it for a day or so.
I just read post on another forum where a guy solved the issue by removing some power bank device that his sat-nav was connected to.
2 years ago I bought a RavPower USB-C Power delivery charger that's been plugged in for those 2 years.
Unplugged this & i-stop immediately returned. It would seem the device was putting a load on the battery even when not charging.
Back to a standard charger now. I was almost ready to drop £150 on a new battery to try & solve the issue.
Hope this helps
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