Here's a script you can place on the sdcard and run from there once you chmod it. Currently, I can't seem to connect adb over wifi (bug 1179144 ). Anyways, here's the script:
INTERVAL=1 CAPACITYVOLTAGE=0 while true; do PREVVOLTAGE=$CAPACITYVOLTAGE DATETIME=$(date +'%Y/%m/%d|%H:%M:%S') CAPACITYVOLTAGE="$(( $(cat /sys/devices/qpnp-charger-f612e800/power_supply/battery/voltage_now) / 1000 ))" CAPACITYPERCENT="$(cat /sys/devices/qpnp-charger-f612e800/power_supply/battery/capacity)" DISCHARGE="+$(( $CAPACITYVOLTAGE - $PREVVOLTAGE ))" TEMP="$(( $(cat /sys/devices/qpnp-charger-f612e800/power_supply/battery/temp) / 10 ))" echo "${DATETIME}|$(echo ${DISCHARGE})mA|${CAPACITYPERCENT}%|${CAPACITYVOLTAGE}mV|${TEMP}°C" sleep ${INTERVAL} done
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