Powercfg
Low Battery Level Actions
Critical
By default, the critical battery level action triggers when battery levels falls below 2% to 5%.
To remove or disable this action, set BATACTIONCRIT to 0.
AC (plugged in)
powercfg -setacvalueindex SCHEME_CURRENT SUB_BATTERY BATACTIONCRIT 0
DC (on battery power)
powercfg -setdcvalueindex SCHEME_CURRENT SUB_BATTERY BATACTIONCRIT 0