# Mini MIDI Keyboard

**URL:** <https://backstage.polyend.com/t/mini-midi-keyboard/4206>\
**Category:** Tracker\
**Tags:** mini\
**Created:** [August 14, 2023, 1:23am UTC](https://backstage.polyend.com/t/mini-midi-keyboard/4206 "2023-08-14T01:23:02Z")\
**Posts on this page:** 1\
**Showing post:** 359

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**Author:** ![SeanMichaelJohnston](https://backstage.polyend.com/user_avatar/backstage.polyend.com/seanmichaeljohnston/32/1356_2.png) [@SeanMichaelJohnston](https://backstage.polyend.com/u/SeanMichaelJohnston)\
**Post date:** [April 6, 2026, 2:37pm UTC](https://backstage.polyend.com/t/mini-midi-keyboard/4206/359 "2026-04-06T14:37:34Z")

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For those brave souls that have been trying out the new battery level estimator; if you lost data in between updates, there is now a hidden way to manually set it back without having to wait 5 hrs to re-calibrate. This is only if you have already calibrated and know you had a certain level, or for testing (otherwise your level will be wrong) .  
_Clicking 5 times_ on the large battery icon will give you the secret settings window.

 ![Screenshot 2026-04-06 at 09.30.12](https://backstage.polyend.com/uploads/default/original/2X/6/60e3e5072bd85dded2c7dab62adccd70a97576c4.jpeg)

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_[View the full topic](https://backstage.polyend.com/t/mini-midi-keyboard/4206)._