The battery cartridge status:
bit 0 Disconnected
bit 1 Overvoltage
bit 2 NeedsReplacement
bit 3 OvertemperatureCritical
bit 4 Charger
bit 5 TemperatureSensor
bit 6 BusSoftStart
bit 7 OvertemperatureWarning
bit 8 GeneralError
bit 9 Communication
bit 10 DisconnectedFrame
bit 11 FirmwareMismatch