Concerned about drawing power from battery left connected to the car with no device attached.
This depends on the configuration of your car. Most carss battery will turn off after the engine is off.Even if our cigarette lighter is turned on, there is no need to worry about battery consumption because its power consumption is negligible.
How long is the cord?
After the upgrade, the cord length of this product is 40 inches, which can accommodate needs of back row passengers.
Does it work for android phones ?
Of course, it is suitable for any Android with Standard USB connection cable and can be used while charging.
What equipment can this product run on? Which vehicle is it suitable for?
Three holes can simultaneously supply power to driving recorders, navigators, car refrigerators, car inflators and vacuum cleaners. Suitable for 12V-24V vehicles.
Does the led voltage display turn off when the car is off or does it stay on?
It depends on your car. The car will always be on when it has electricity. If the voltage keeps flashing, it means there is a problem with your cars voltage and you should check it in time. The normal range should be between 12.8V-14.8V.