$ adb shell dumpsys battery
Current Battery Service state:
AC powered: false
USB powered: true
Wireless powered: false
Max charging current: 500000
Max charging voltage: 5000000
Charge counter: 1005815
status: 2
health: 2
present: true
level: 32
scale: 100
voltage: 3872
temperature: 200
technology: Li-ion
$ adb shell dumpsys battery|grep level:|awk {'print $2'}
33

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$ termux-battery-status -h
Usage: termux-battery-status
Get the status of the device battery.
$ termux-battery-status
{
  "health": "GOOD",
  "percentage": 70,
  "plugged": "PLUGGED_USB",
  "status": "CHARGING",
  "temperature": 36.900001525878906
}