Car Phone Charger Battery Drain

If the car is turned off just as with the lights inside the car the cell phone charger is drawing power from the car s battery.

Car phone charger battery drain. 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 inconvenient morning. The blinking stopped after i unplugged the charger. To prevent your car phone charger from draining your car battery you should unplug your charger from the power source when it is not in use. In most cases it s usually down to the cable you are using.

Avoid car battery drainage. At first it may seem harmless to plug your phone into your car s usb port. If the car battery is old it may not be holding a full charge any more either. So if you had a 100ah car battery and your phone s battery was 1 8ah which is equal to 1800mah a completely dead handset would pull less than 2 of the charge out of your vehicle.

If charging maintaining a typical 1 5ah cell phone battery drains your 80ah service battery the float current for my cell phone charger in the car is on the order of 2ma. A car battery holds around 800 watt hours of power. But unless you re desperate charging your iphone during your commute might be a big mistake. In my experience this is usually the main issue.

This must be an older truck. It s plugged into a live outlet 24 7. It s hard to say at this moment in time as there are many reasons as to why this may be happening. Leaving the charger plugged in when not charging a cell phone may also drain the battery s power but this will be a slower drain on the battery than if charging a phone.

Even faster if it s cold like it has been. And by the way here s how. Many of the newer car s trucks cig lighters accessory jacks now power off with the ignition switch to prevent this. So depending on phantom load of the charger it could drain the battery enough that it cannot start the car or even completely drain it.

However there are other actors that come into play like your charging port and actual device software.