第一天

```

Android_n:/ # cat /sys/class/power_supply/ac/online

0

Android_n:/ # cat /sys/class/power_supply/usb/online

1

Android_n:/ # cat /sys/class/power_supply/battery/status

Charging

Android_n:/ # cat /sys/class/power_supply/battery/health

Good

Android_n:/ # cat /sys/class/power_supply/battery/present

1

Android_n:/ # cat /sys/class/power_supply/battery/capacity

54

Android_n:/ # cat /sys/class/power_supply/battery/batt_vol

3867

Android_n:/ # cat /sys/class/power_supply/battery/batt_temp

250

Android_n:/ # cat /sys/class/power_supply/battery/technology

Li-ion

Android_n:/ #

```