def get_power(self): return hex_to_float(self.msg[18:22])
def get_current(self): return hex_to_float(self.msg[14:18])
def get_voltage(self): return hex_to_float(self.msg[10:14])
def get_power(self): return hex_to_float(self.msg[16:20])
def get_current(self): return hex_to_float(self.msg[12:16])
def get_voltage(self): return hex_to_float(self.msg[8:12])