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OMI DK2 Doesn't Charge to 100% (Stops at 94-96%) #1885

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skywinder opened this issue Feb 25, 2025 · 2 comments · May be fixed by #2154
Open

OMI DK2 Doesn't Charge to 100% (Stops at 94-96%) #1885

skywinder opened this issue Feb 25, 2025 · 2 comments · May be fixed by #2154
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firmware firmware work

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Describe the bug

OMI never charges to 100%—it always stops at 95% and does not go beyond that, even if left plugged in for an extended period.

To Reproduce

  1. Plug in OMI for charging.
  2. Monitor the battery percentage as it charges.
  3. Observe that charging stops at 95% and does not reach 100%.

Current behavior

  • Charging always stops at 95%, preventing a full charge.

Expected behavior

  • OMI should charge to 100% unless there's an intentional design limitation.

Screenshots

Image

Additional context

  • This could be a firmware limitation, battery calibration issue, or intentional battery protection feature.
  • If it's intentional, it would be helpful to have documentation or an indicator explaining why it stops at 95%.

Would appreciate any insights on this! 🚀
@skywinder skywinder self-assigned this Apr 4, 2025
@skywinder
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@beastoin since you have Power Profiler Kit (#2130 (comment)), may I ask you to measure max battery voltage at the charged state?

Many devices intentionally stop charging at 95-98% to extend battery life. so I want to calibrate to show 100% in the app when it reach maximum level.

@skywinder skywinder mentioned this issue Apr 4, 2025
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skywinder commented Apr 4, 2025 •
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hey, lets close it via #2151 - this legit fix.

Many devices intentionally stop charging at 95-98% to extend battery life. So I belive this is the case, so I fix it in minor firmware update there

@skywinder skywinder added the firmware firmware work label Apr 4, 2025
skywinder added a commit to skywinder/omi that referenced this issue Apr 5, 2025
@skywinder
separate fix for BasedHardware#1885
e75494e
@skywinder skywinder linked a pull request Apr 5, 2025 that will close this issue
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fix: Charge to 100% skywinder/omi
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