Quote:
Originally Posted by Street Pharmacist
There's a very easy way to know the battery life. You can just put an odb2 dongle in and it'll tell you the battery state of health.. Can't do that with an engine.
Having said that, you'd have to go out of your way to ruin the battery, it wouldn't be from using the car too hard. It would likely be from always having the battery above 90% state of charge which would take a lot of effort
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It will give you some indication, but it doesn't monitor every cell. You can have out of balance cells that can lead to pack failure and you'd never know it. And those are the type that lead to catastrophic failures and $25k bills.
No, you probably won't ruin your battery using it regularly, but manufacturing inconsistencies can still have failures years later.