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Ultimate Guide to Battery Management with ADB Commands

Print level full capacity of battery

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/batt_full_capacity

Dump battery temperature

#!/bin/bash

temp=$(cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/batt_temp)
celsius=$(echo "scale=1; $temp / 10" | bc)
echo "Battery Temperature in Celsius: $celsius"

#!/bin/bash

temp=$(cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/batt_temp)

celsius=$(echo "scale=1; $temp / 10" | bc)
fahrenheit=$(echo "scale=1; ($celsius * 9/5) + 32" | bc)
echo "Battery Temperature in Fahrenheit: $fahrenheit"

Is USB Connected and Charging

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/usb/online

Print online status for Battery Charging

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/ac/online

Dump Battery JIG GPIO Status

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/batt_jig_gpio

Dump Factory Mode Status

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/factory_mode

Dump Factory Bypass Mode Status

/sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/factory_mode_bypass

Print Battery Status

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/status

Dump Battery Technology

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/technology

Print Battery Health Status

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/health

Dump Led Cover Status

cat /sys/devices/platform/samsung_mobile_device/samsung_mobile_device:battery/power_supply/battery/led_cover

Simulate we got 1% Battery

adb shell dumpsys battery set level 1

Connect AC charger

adb shell dumpsys battery set ac 1

Disconnect AC charger

adb shell dumpsys battery set ac 0

Connect USB cable

adb shell dumpsys battery set usb 1

Disconnect USB cable

adb shell dumpsys battery set usb 0

After running each of those commands you can reset the battery options using

adb shell dumpsys battery reset

And for example, you can dump data for all of the running services, dump all data for battery

adb shell dumpsys battery

Dump stats for your battery

adb shell dumpsys batterystats

Erase old stats for battery

adb shell dumpsys batterystats --reset

Unplug AC

adb shell dumpsys battery unplug

Freezing Battery State

adb shell cmd battery unplug -f

Unfreeze Battery State

adb shell cmd battery reset -f

Dump Battery Level

adb shell cmd battery get level | sed 's/.*/Battery:&%/'

Dump all settings for cmd battery (posix)

#!/bin/bash

batstats="ac usb wireless status level temp present counter invalid"

for batstat in $batstats; do
  value=$(adb shell cmd battery get "$batstat")
  printf "%-8s: %s\n" "$batstat" "$value"
done