How many volts do you need to charge a phone?
Almost all modern cellphones and many other LiIon powered devices use the “USB” 5 Volt input charging standard. When the available charge current is less than the maximum some devices will not charge, but the majority of “5 volt input” devices will accept whatever current is available.
Does it matter what charger you use to charge your phone?
Always charge your phone with its own charger. Unlike laptops, smartphones use a universal charging interface the microUSB port. However, if the charger you use does not match the original, it will affect battery performance, capacity to store charge and overall life (if done repeatedly).
Can I use a higher voltage charger for my phone?
Yes, it is absolutely safe to charge a device with a charger that has more current capacity than needed. Since the voltage is held constant (5V), the only factor that determines current draw is the load (another term for resistance) the device places on the charger.
Can I use 9V charger instead of 5V?
A2A: Yes. Any 5V power adapter will work (even the very cheap little ones). You just won’t get the fast charging capability of the 9V port on the power adapter that came with it. Slow charging is always preferable unless you have a good reason for being in a hurry.
Will a 9 volt battery charge a cell phone?
Good news not only for smartphone users, but also for businesses that sell cell phones — you can use a 9-volt battery to charge your phone. A 9-volt battery can give your phone just enough life to be used for a single call or a few texts.
Is it OK to use different chargers?
Not at all. In fact, a higher amperage charger will likely charge your phone even faster, and it can do so safely. Basically, all modern batteries are built with with a chip that regulates the input—they will allow what they can handle.
What uses a 9V power supply?
A lot of things use those small 9V batteries. Smoke detectors, some transistor radios (not so much any more), lots of handheld test equipment, electronic toys, etc. More and more things that in the past typically used 9V batteries are being designed to run from one to four AA or AAA cells.
What is the best rechargeable battery charger?
Overall, the best rechargeable AA battery is the Eneloop Pro. They have a high energy capacity (2500 mAh), and they perform better than similar high-capacity AAs. They can only be charged 500 times (versus 2100 times for regular Eneloops). But most people will never charge their batteries that many times.
What is the best battery pack?
One of the best battery power packs on the market is the Duracell DRPP300. Not only is it a jump starter for your car, but it also is an emergency power source in case you need to power some of your most essential electronics in the event of an emergency.
How do you charge a cell phone battery?
Put your battery or batteries inside your phone and charge with a direct line AC power supply cord that plugs into your phone and an electrical wall socket; or place the phone in a phone charger; or insert the battery/batteries directly into a battery-only charger. Charge the batteries using your chosen method.
What is an Universal cell phone charger?
A universal cell phone charger. A universal charger is a battery charger that can be used across multiple electronic devices. Specific universal chargers are typically meant to be used in conjunction with a one type of device such as laptops.