cat /sys/class/power_supply/BAT0/uevent
POWER_SUPPLY_NAME=BAT0
POWER_SUPPLY_STATUS=Unknown
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CYCLE_COUNT=0
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10800000
POWER_SUPPLY_VOLTAGE_NOW=12358000
POWER_SUPPLY_POWER_NOW=0
POWER_SUPPLY_ENERGY_FULL_DESIGN=56160000
POWER_SUPPLY_ENERGY_FULL=30950000
POWER_SUPPLY_ENERGY_NOW=30270000
POWER_SUPPLY_CAPACITY=97
POWER_SUPPLY_CAPACITY_LEVEL=Normal
POWER_SUPPLY_MODEL_NAME=42T4791
POWER_SUPPLY_MANUFACTURER=SANYO
POWER_SUPPLY_SERIAL_NUMBER=29724

## DELL?
POWER_SUPPLY_NAME=BAT0
POWER_SUPPLY_STATUS=Full
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CYCLE_COUNT=0
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=11400000
POWER_SUPPLY_VOLTAGE_NOW=12780000
POWER_SUPPLY_CURRENT_NOW=1000
POWER_SUPPLY_CHARGE_FULL_DESIGN=7982000
POWER_SUPPLY_CHARGE_FULL=7332000
POWER_SUPPLY_CHARGE_NOW=7982000
POWER_SUPPLY_CAPACITY=108
POWER_SUPPLY_CAPACITY_LEVEL=Full
POWER_SUPPLY_MODEL_NAME=DELL RDYCT
POWER_SUPPLY_MANUFACTURER=LGC-LGC3.975
POWER_SUPPLY_SERIAL_NUMBER=35063

Handle 0x002C, DMI type 22, 26 bytes
Portable Battery
Location: Rear
Manufacturer: SANYO
Name: 42T4791
Design Capacity: 56160 mWh
Design Voltage: 10800 mV
SBDS Version: 03.01
Maximum Error: Unknown
SBDS Serial Number: 741C
SBDS Manufacture Date: 2010-09-06
SBDS Chemistry: LION
OEM-specific Information: 0x00000000

Handle 0x0011, DMI type 22, 26 bytes
Portable Battery
Location: Primary
Manufacturer: SMP-SS22
Manufacture Date: 405C
Serial Number: 005B
Name: DD06047
Design Capacity: 4400 mWh
Design Voltage: 10800 mV
SBDS Version: 1.1
Maximum Error: Unknown
SBDS Chemistry: LION
OEM-specific Information: 0x00000000

Handle 0x0015, DMI type 22, 26 bytes
Portable Battery
Location: Fake
Manufacturer: -Virtual Battery 0-
Manufacture Date: 10/12/2007
Serial Number: Battery 0
Name: CRB Battery 0
Chemistry: Lithium Ion
Design Capacity: Unknown
Design Voltage: Unknown
SBDS Version: Not Specified
Maximum Error: Unknown
OEM-specific Information: 0x00000000

Handle 0x0027, DMI type 22, 26 bytes
Portable Battery
Location: Rear
Manufacturer: Simplo
Manufacture Date: 2008
Serial Number: 1.0
Name: DELL
Design Capacity: 73260 mWh
Design Voltage: 11100 mV
SBDS Version: V1.0
Maximum Error: Unknown
SBDS Chemistry: LION
OEM-specific Information: 0x00000000