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