battery.parquet

battery.parquet has one row per battery per sample. It describes the charge and state of each battery.

Column	Type	Unit	Description
timestamp	int64	ms	The time of the sample, since the start of the simulation.
timestamp_absolute	int64	ms	The time of the sample, since the Unix epoch.
battery_name	string		The name of the battery.
cluster_name	string		The name of the cluster of the battery.
power_draw	float	W	The power the battery supplies.
energy_usage	float	J	The energy the battery supplied since the previous sample.
embodied_carbon_emission	float	g	The embodied carbon of the battery, since the previous sample.
charge	float	J	The energy stored in the battery.
capacity	float	J	The amount of energy the battery can store.
battery_state	string		CHARGING, IDLE or DISCHARGING.