battery_status.msg
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uint64 timestamp # time since system start (microseconds)
float32 voltage_v # Battery voltage in volts, 0 if unknown
float32 voltage_filtered_v # Battery voltage in volts, filtered, 0 if unknown
float32 current_a # Battery current in amperes, -1 if unknown
float32 current_filtered_a # Battery current in amperes, filtered, 0 if unknown
float32 average_current_a # Battery current average in amperes, -1 if unknown
float32 discharged_mah # Discharged amount in mAh, -1 if unknown
float32 remaining # From 1 to 0, -1 if unknown
float32 scale # Power scaling factor, >= 1, or -1 if unknown
float32 temperature # temperature of the battery. NaN if unknown
int32 cell_count # Number of cells
bool connected # Whether or not a battery is connected, based on a voltage threshold
uint8 BATTERY_SOURCE_POWER_MODULE = 0
uint8 BATTERY_SOURCE_EXTERNAL = 1
uint8 BATTERY_SOURCE_ESCS = 2
uint8 source # Battery source
uint8 priority # Zero based priority is the connection on the Power Controller V1..Vn AKA BrickN-1
uint16 capacity # actual capacity of the battery
uint16 cycle_count # number of discharge cycles the battery has experienced
uint16 run_time_to_empty # predicted remaining battery capacity based on the present rate of discharge in min
uint16 average_time_to_empty # predicted remaining battery capacity based on the average rate of discharge in min
uint16 serial_number # serial number of the battery pack
uint16 manufacture_date # manufacture date, part of serial number of the battery pack. formated as: Day + Month×32 + (Year–1980)×512
uint16 state_of_health # state of health. FullChargeCapacity/DesignCapacity.
uint16 max_error # max error, expected margin of error in % in the state-of-charge calculation with a range of 1 to 100%
uint8 id # ID number of a battery. Should be unique and consistent for the lifetime of a vehicle. 1-indexed.
uint16 interface_error # interface error counter
float32[14] voltage_cell_v # Battery individual cell voltages
float32 max_cell_voltage_delta # Max difference between individual cell voltages
bool is_powering_off # Power off event imminent indication, false if unknown
uint8 BATTERY_WARNING_NONE = 0 # no battery low voltage warning active
uint8 BATTERY_WARNING_LOW = 1 # warning of low voltage
uint8 BATTERY_WARNING_CRITICAL = 2 # critical voltage, return / abort immediately
uint8 BATTERY_WARNING_EMERGENCY = 3 # immediate landing required
uint8 BATTERY_WARNING_FAILED = 4 # the battery has failed completely
uint8 warning # current battery warning
uint8 MAX_INSTANCES = 4
float32 average_power # The average power of the current discharge
float32 available_energy # The predicted charge or energy remaining in the battery
float32 remaining_capacity # The compensated battery capacity remaining
float32 design_capacity # The design capacity of the battery
uint16 average_time_to_full # The predicted remaining time until the battery reaches full charge, in minutes
uint16 over_discharge_count # Number of battery overdischarge
float32 nominal_voltage # Nominal voltage of the battery pack