this post was submitted on 17 Jun 2023
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This mindset is so frustrating. My fiancee and I will have a discussion like do you want to go do _______. We decide to go, and now ensues the I need to let my phone charge some before we go. Waiting ~30 minutes before leaving to go somewhere is very disadvantages.
Charge your phone in your vehicle on the way
30 min is not really "fast" charging. Assuming 0%-100% on a 4Ah battery, that's just 30W.
Also, you don't fast charge to 100%. The idea is to get more like +50% in a few minutes. Assuming 4Ah battery again, that's +2Ah which is 7.4 Wh at 3.7V.
You won't charge from 0% though. You're probably still well over 25% before you start charging but let's say you're at 25%. With 60W, you'd be at 75% in 7.5 min.
That's fast charging and why it's useful: Those 75% will last you through the day and it took you <10 minutes to reach it.
What's frustrating is not fast charging, it's that your charging speed simply isn't very fast.
I simply charge it while I get ready in the morning. I can charge in the car or via a powerbank if I really don't have time.