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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