# cat /proc/acpi/battery/BAT0/info  /proc/acpi/battery/BAT0/state
present:                 yes
design capacity:         40000 mWh
last full capacity:      38040 mWh
battery technology:      rechargeable
design voltage:          11100 mV
design capacity warning: 3000 mWh
design capacity low:     1000 mWh
capacity granularity 1:  200 mWh
capacity granularity 2:  200 mWh
model number:            4E369
serial number:           7360
battery type:            LION
OEM info:                SANYO
present:                 yes
capacity state:          ok
charging state:          charging
present rate:            19653 mW
remaining capacity:      36570 mWh
present voltage:         12566 mV