My favorite is the
BATTERY LOW
that interrupts my music every 30 seconds right in the last fleeting moments of power which is the EXACT TIME I want my music to be regularly interrupted.
My favorite is the
BATTERY LOW
that interrupts my music every 30 seconds right in the last fleeting moments of power which is the EXACT TIME I want my music to be regularly interrupted.

Here's the reason why: Li-Ion batteries spend most of a charge cycle in an almost flat region. Simple battery gauges just read the voltage, so "Battery Low" happens shortly before it dies.
KDE letting me know that my mouse's battery is low for the past six months
(Okay I was too lazy to edit the image but all three sections of the battery are colored in red)
Are you using a rechargeable battery?
AA batteries are typically 1.5V, but some rechargeable ones are only 1.2V. This leads to the product thinking the battery is always low even when it's fully charged.
If you have a Li-ion rechargeable, you get the opposite problem. The battery is actually around 2.7V, and has a converter internally to step it down to 1.5V. You will keep getting 1.5V until the battery goes flat with no warning.
I have 3M hearing protection ear muffs with built-in Bluetooth so I can listen to music at work. I have only ever seen the battery at 100%, or low
I swear I have the exact opposite, battery high for 3 days then battery low the next 2 before dying. Both earbuds and headphones from the same company.
My headset says over 80/60/40/20.
Notably that doesn't start on full. Full charge just states 'over 80%'
On the Turtle Beach headphones I have for gaming/working out, when she says "battery level medium" I always feel like she's got a judgy tone in her voice.
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