look this for more info: http://www.thinkwiki.org/wiki/Tp_smapi安裝tp-smapi:# aptitude install tp-smapi-dkms# modprobe tp_smapi更改充電閾值：設定開始充電閾值，如從“60%”開始充電：# echo 60 > /sys/devices/platform/smapi/BAT0/start_charge_thresh設定停止充電閾值，如到“100%”停止充電：# echo 100 > /sys/devices/platform/smapi/BAT0/stop_charge_thresh查看充電閾值：# cat /sys/devices/platform/smapi/BAT0/*_charge_thresh其他：To prevent charging for 17 minutes (regardless of thresholds):# echo 17 > /sys/devices/platform/smapi/BAT0/inhibit_charge_minutesTo cancel charging preventation:# echo 0 > /sys/devices/platform/smapi/BAT0/inhibit_charge_minutesTo force battery discharging (even if connected to AC):# echo 1 > /sys/devices/platform/smapi/BAT0/force_dischargeTo cancel forced discharge:# echo 0 > /sys/devices/platform/smapi/BAT0/force_discharge讓設定在啟動時生效（只用同一塊電池）：It is not necessary to create your own init.d script or modify /etc/rc.local - you just need the package sysfsutils:# apt-get install sysfsutils# sudo gedit /etc/sysfs.conf把下面的放在檔案 /etc/sysfs.conf後面:# cat >> /etc/sysfs.conf << EOF# For a LiIon battery in a Thinkpaddevices/platform/smapi/BAT0/start_charge_thresh = 50devices/platform/smapi/BAT0/stop_charge_thresh = 80EOFThe init script supplied by sysfsutils will load these settings on each boot.其他電池狀態資訊：To view extended battery status such as charging state, voltage, current, capacity, cycle count and model information:# cat /sys/devices/platform/smapi/BAT0/installed# cat /sys/devices/platform/smapi/BAT0/state # idle/charging/discharging# cat /sys/devices/platform/smapi/BAT0/cycle_count# cat /sys/devices/platform/smapi/BAT0/current_now # instantaneous current# cat /sys/devices/platform/smapi/BAT0/current_avg # last minute average# cat /sys/devices/platform/smapi/BAT0/power_now # instantaneous power# cat /sys/devices/platform/smapi/BAT0/power_avg # last minute average# cat /sys/devices/platform/smapi/BAT0/last_full_capacity# cat /sys/devices/platform/smapi/BAT0/remaining_percent# cat /sys/devices/platform/smapi/BAT0/remaining_running_time# cat /sys/devices/platform/smapi/BAT0/remaining_charging_time# cat /sys/devices/platform/smapi/BAT0/remaining_capacity# cat /sys/devices/platform/smapi/BAT0/design_capacity# cat /sys/devices/platform/smapi/BAT0/voltage# cat /sys/devices/platform/smapi/BAT0/design_voltage# cat /sys/devices/platform/smapi/BAT0/manufacturer# cat /sys/devices/platform/smapi/BAT0/model# cat /sys/devices/platform/smapi/BAT0/barcoding# cat /sys/devices/platform/smapi/BAT0/chemistry# cat /sys/devices/platform/smapi/BAT0/serial# cat /sys/devices/platform/smapi/BAT0/manufacture_date# cat /sys/devices/platform/smapi/BAT0/first_use_date# cat /sys/devices/platform/smapi/BAT0/temperature # in milli-Celsius# cat /sys/devices/platform/smapi/ac_connectedThe raw status data is also available, including some fields not listed above (in case you can figure them out):# cat /sys/devices/platform/smapi/BAT0/dump
