Usb Car Charger Battery Drain

I have a 12v charger that is connected to a phone dock with an integrated micro usb connector.

Usb car charger battery drain.

This is related to is it okay to keep a usb charger plugged into the cigar lighter. Of course if you leave your car sitting for a month it s likely that the battery will get drawn down. Using some alligator clamps and a multimeter big mess o wires figured out much the usb charger draws in standby mode then figured out what effect if any it d have on a car s battery. Here s why your car battery keeps draining.

If it is the original charger that came with the phone then the charger might be faulty or the current is not enough. That means when the car is sitting parked with the engine off the usb charger is still drawing current. So if you often face the drain car battery trouble it s probably the time for purchasing a quality battery. If i were foolish enough to leave some power hungry appliance connected it could quickly drain the car s battery.

An old battery is a reason of what drains a car battery what drains a new car battery. The difference between this and the linked post is that there is an led on the 12v plug that lights when power is supplied. It ll be because things like the car s computer and evaporative emissions system draw power even when the car is parked. Buy yoursef a 5 volt 2 1 amp output usb wall charger that wi.

Even when it is not charging anything leaving the phone charger plugged in may drain the car battery and may deplete its power if the engine is not running which could leave you stranded or make for an. Changing a new battery is the right choice for you by going to the trustful garage. The power draw of just the charger would be so small that you d have to leave your car parked for weeks for it to make any difference. But that won t be from the led lights on your charger.

Posted by trivia genius at 9 53 am on july 26 2013. But even with nothing connected the usb charger will still draw some standby current. If you have a gps or something else plugged into it and turned on then yes after a day or two it could conceivably drain your car s battery. The digital clock in your car takes more power.