AlMar Digital Voltmeter, 12/24V

A digital voltmeter in the cigarette lighter shows the voltage in the car.
It is placed in the socket of the cigarette lighter.
Bad voltage in the car installation leads to bad engine operation and safety in the car, increased fuel consumption and rapid depreciation of the battery.
– 13.2 – 14.8V – with the engine running – good tension
– 12.8 – 13.2V – with the engine running – for a service check
– 11.9 – 12.8V – with the engine off – good tension
– 11.6 – 11.9V – with the engine off – for a service check
– below 11.6V – with the engine off – bad voltage