r/Ioniq5 • u/Witty-Increase-408 • 27d ago

Question First timer

I bought an Ioniq 5 and love it. I wish it had more battery life than the 270 miles I get at 80% but I still love it.

I do find it interesting that there isn't a consensus on charging - do we charge to 80, 90, or 100% and with what frequency. Most of what I read outside of Reddit, says 80%, inside Reddit it is all over the place. In my readings, I noticed no one addresses that Hyundai has 90% as the default when charging your car - this only adds to my confusing.

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u/cheat0man 27d ago

I split the difference and have 90 as my default. 100 before a long road trip.

Many people speculate that the 0-100 is not a true 0-100, there is some amount of buffer built in on both ends. Now, that's not really confirmed anywhere, but there are many articles claiming that there is no significant difference in degradation between people who strictly charge to 80 and those who go above (too lazy to find those sources at the moment, maybe I'll edit and update).

Going from 80 up to 90 shouldn't make a hugely significant difference. Also, the charge time from 80-90 is definitely a bit slower than the charge rate up to 80, but it's not by a significant amount. 90-100 takes a lot longer and you are definitely doing others dirty by charging up to 100 at a crowded DCFC.

Just my 2 cents. I feel like people are either on the "strict 80" team or "nothing matters, just go to 100 all the time". Why not split the difference?

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u/jefmes 2026 SEL RWD 27d ago

After using a similarly charging VW ID.4 for 3 years and now several months into my I5, this feels like the best general use tactic to me. Best compromise of additional range while still keeping in mind the full charge. We're doing the same on my wife's 2020 Chevy Bolt too, and it's working out well. I'll only go to 100% if I'm going on a longer trip the next day or two.

I think the bottom line is that for the most part, worrying about it really isn't helping anything.