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tech:power

Power and Battery Info

Battery Info

Directory and File Info

Following is the Directory for all battery management info:

/sys/devices/soc0/soc/2100000.aips-bus/21a0000.i2c/i2c-0/0-0055/power_supply/bq27441

File Name Purpose Notes / Possible states
capacity Current Charge level Range for values 1-100, I believe this is battery %
capacity_level Charge level in text I have only seen “normal”
charge_full How full the battery actually is, when it is full This is tells you how much your battery has aged
charge_full_design How full the battery was, when it was designed This is a theoretical value, usually close to what the new battery had
charge_now How full the battery is in this moment Changes as battery discharges
current_now ?? Current power draw from battery Changes as device is used, + or - based on draw
manufacturer Who made the battery, TI. Texas Instruments
present Indicates if the battery is in the device Mostly pointless in a remarkable, comes from laptops
status Is it charging or discharging Says Charging / Discharging
technology Battery type, Li-ion Li-ion
temp Current battery temp Temperature missing decimal point, 226 means 22.6c
type Tells us that the power source is a battery Mostly pointless in a remarkable, comes from larger computers
uevent Output from all files Outputs all files above and their values
voltage_now Current voltage level of battery Current voltage of battery

USB Charging Info

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tech/power.txt · Last modified: 2020/05/09 22:05 by nicolai