Timeline for Replacement Battery: How to evaluate quality?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 27, 2021 at 20:51 | comment | added | user1721135 | oh, so if it had a ton of bad cells, it would be way down? So the "full capacity charge" being at 8500 instead of 8600 (design capacity) is a good sign? | |
| May 27, 2021 at 17:45 | comment | added | bmike♦ | As you run it down and up 3 times, those “calculated” and “observed” values will converge in my experience and you will have a stable and repeatable situation. | |
| May 27, 2021 at 17:44 | comment | added | bmike♦ | No, that’s what happens when you have second cut cells. The voltage drops more quickly than you expect. It’s not a safety hazard, but Apple gets only the best cells so the less good ones go to aftermarket. It would be strange if yours didn’t have some drop off IMO. You are 100% doing excellent with your scientific approach here, @user1721135 | |
| May 27, 2021 at 14:58 | comment | added | user1721135 | Thanks, Ill give it some more cycles. Now I noticed that it dropped from 40% suddenly to 7%. And max charge displayed in coconut dropped from 8700 to 8500. Strange. | |
| May 27, 2021 at 12:24 | history | answered | bmike♦ | CC BY-SA 4.0 |