Timeline for Odd failure mode for AAA battery
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Apr 6, 2022 at 16:46 | comment | added | MicroservicesOnDDD | @Neil_UK -- Yes, but, for two lantern batteries 4S, discharged constant current 1mA into a white LED, for the four cells, two were completely discharged, and two were left fully charged (I'm trying to prove that now - I have yet to do the final discharge). Duplicated results with a second battery. Would you please look at my question? How to prove novel conduction path in weaker battery cells in two 4s-1p carbon zinc batteries discharged at 1mA from 6V to 3V? | |
| Jul 26, 2016 at 6:03 | comment | added | Neil_UK | If we've removed the possibility of a rogue tap in the battery holder, and note that the failure is occasional, rather than every time, then yes, reversal of the weakest cell is a normal failure mode when the battery is discharged far enough. | |
| Jul 26, 2016 at 6:01 | comment | added | Passerby | No center tap, and iirc not in the same position. These are new, barely used flashlights. And the fail rate is 2 out of 9. 25% failure. The issue is really the reversal of the battery. In situ, the reversed one actually went up to -0.5V. | |
| Jul 26, 2016 at 5:48 | history | answered | Neil_UK | CC BY-SA 3.0 |