```bash
upower --enumerate
upower -i /org/freedesktop/UPower/devices/battery_BAT0
upower -i /org/freedesktop/UPower/devices/battery_BAT0| grep -E "state|to\ full|percentage"
```
```bash
upower --enumerate | grep BAT | while read s; do
  echo "$s"
  upower -i /org/freedesktop/UPower/devices/battery_BAT0 | grep -E "state|to\ full|percentage"
done
```