How to get information about your laptop battery using the Command Line within Linux

Open a new command line window and type in the following command

cat /proc/acpi/battery/BAT0/info

This will display all information about your battery

present:                 yes
design capacity:         7200 mAh
last full capacity:      2732 mAh
battery technology:      rechargeable
design voltage:          11100 mV
design capacity warning: 135 mAh
design capacity low:     94 mAh
cycle count:          0
capacity granularity 1:  41 mAh
capacity granularity 2:  2597 mAh
model number:            GARDA43
serial number:           10102
battery type:            LION
OEM info:                SONYCorp