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Will charging a mobile phone flatten a car battery?

Will charging a mobile phone flatten a car battery?

Turns out, charging your phone in your car could do more harm than good. Plugging your phone into a car’s USB port could stall the charging and even damage the charger. Charging your phone could even drain a car’s battery, especially if it’s an older model.

How many amp hours is a cell phone battery?

An average smartphone battery usually has between 2500 and 4000 milliampere hours of electric capacity. Automotive car batteries vary in capacity but a large automobile propelled by an internal combustion engine would have about a 50-ampere-hour battery capacity.

How many volts is a cell phone battery?

125. All energy storage is normally expressed in watt hours, but since all smartphone batteries work at the same voltage (3.8 volts) most smartphone battery capacity is described in mAh.

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How long can a battery power a car?

Car batteries have a finite lifespan Batteries gradually deteriorate until they can no longer provide enough power to start an engine. This wear time could take three to five years and a vehicle’s usage pattern is one factor contributing to the rate at which a battery will age.

Will phone charge if car is off?

“Can I charge my phone when my car is off?” Yes, indeed. Just connect the phone to a battery power pack or, if you are indoors, to a “wallwart” charger plugged into a power socket.

How many phones can charge off a car battery?

The short answer is “yes.” The long answer, however, imparts some electronics smarts. Most of today’s smartphone batteries use lithium polymer technology, and their capacity is measured in milliamp hours (mAh). The iPhone 6, for instance, has a capacity of 1,810mAh.

At what voltage is a 12-volt battery considered dead?

12.0 volts
Resting fully charged 12-volt batteries are around 12.8-12.9 volts, and flat dead ones are at 12.0 volts, so 12.4 volts on a resting battery means it’s about 50\% charged.

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Can a car battery run a computer?

With that being said, car batteries provide DC power while laptops work using AC power. If you want to run a laptop using your car’s battery, you’ll need a power inverter that ‘converts’ DC to AC, allowing you to plug-in virtually any electronic device into your car’s battery.

Can a car power a laptop?

To charge your laptop in a car: Plug the car charger into your vehicle’s charging port (you might not even need a car charger since many newer vehicles have USB ports you can plug into) Plug the USB-C connector into your laptop.