Sharp PC-AR50 Manual page 51

Battery Indicator Status
Orange Green
Orange Green
Orange Green
Orange Green
Orange Green
Orange Green
Orange Green
All On
Four On
Three On
Two On
Only Orange On
Orange Blinking
All Off
Capacity Remaining
80%~100%
60%~79%
40%~59%
20%~39%
11%~19%
Under 10%
0%(Empty)
3-3
3