cat /proc/acpi/battery/CMB0/state
present:                 yes
capacity state:          ok
charging state:          charging
present rate:            3194 mA
remaining capacity:      1461 mAh
present voltage:         11746 mV

cat /proc/acpi/battery/CMB0/info
present:                 yes
design capacity:         3351 mAh
last full capacity:      5039 mAh
battery technology:      rechargeable
design voltage:          11100 mV
design capacity warning: 503 mAh
design capacity low:     0 mAh
capacity granularity 1:  100 mAh
capacity granularity 2:  100 mAh
model number:            BAT1
serial number:           1234
battery type:            LION
OEM info:                 LG 

cat /proc/acpi/battery/CMB0/state
present:                 yes
capacity state:          ok
charging state:          discharging
present rate:            2480 mA
remaining capacity:      375 mAh
present voltage:         10541 mV