The Low Power Mode subsection in Internal Settings under the Applications section contains configurable options & information concerning the device's Low Power Mode

An image showing the Low Power Mode section in Internal Settings

Sections

Low Power Mode (No Section)

A toggle to toggle Low Power Mode on and off, underneath it is footer text written:
Disabled at (date last disabled, in the format mm-dd time) at (charge when disconnected)% charge
(day) day(s) (hour) hours(s) (minute) minute(s) ago

Disable When Battery Level Exceeds

This section contains:

A slider for the battery percentage Low Power Mode should be turned off when exceeded.
A button labeled Disable on A/C , with footer text underneath labaled: Disable at any level when connecting charger
A slider with footer text underneath labeled: Allow discretionary tasks when on charger and batter above this level (default:30%)
A slider labeled Backlight reduction percentage (default:20%)