Are the voltage start-stop 12 and 7 1V of Toyota corolla 1.2T normal?

Generally, the voltage of a car after starting should be 13.4V-14.8v. If it is lower than13.4v, the battery may not be charged. Please check the load of the engine or other electrical appliances. When the voltage is higher than 14.8V, the battery may be damaged. Please check the engine stabilizer.

Without starting the engine, the voltage of the battery is12.2v-12.8v.. If it is lower than 1 1.6V, it is difficult to start the car. Please turn off other appliances as soon as possible. When the battery voltage is less than 10V, it is generally impossible to start the car.