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How to Charge iPhone Lithium Ion Battery Fast

Updated on July 02, 2016
amuno profile image

Alfred is a long time teacher and computer enthusiast who works with and troubleshoots a wide range of computing devices.

Until such a time when there shall be longer lasting smartphone battery life for smartphones, humanity shall be content with lithium ion batteries and a host of tweaks and accessories to keep them running optimally.

Charging the iPhone 5 battery while it is turned off speeds up the charging
Charging the iPhone 5 battery while it is turned off speeds up the charging

According to Apple, a typical iPhone battery is capable of 400 charge and discharge cycles upon release. By the time it clocks 400 cycles, the iPhone battery capacity will have reduced to about 80%.

The 400 charge discharge cycles account for approximately two years of proper use.

The battery will continue to work normally even after the two years though with reduced hours. Instead of the original 10 hours of talk time on 3G per full charge, you may now have about 8 hours at your disposal.

Not really bad after two years!

But for you to achieve this average battery longevity - and more, you need to begin watching your battery closely.

How to Super Charge iPhone Lithium-ion Battery

A few tricks should get you charging your iPhone lithium ion battery fast. These include:

  • Turning your iPhone off while charging,
  • Charging it via power mains,
  • Use of genuine lion battery charger
  • Turning smartphone features on and off. In addition, the harmonization of charge and charge cycles should help save the iPhone battery life.

1: Turn Phone off While Charging

Yes, switch it off. Rechargeable batteries charge much faster when turned off. This should be an option when you are not expecting a call and of course want to charge your phone fast!

While it is straightforward affair to charge the battery when most phones are off, Apple make it a little complicated.

This is because the iPhone will turn itself on once connected to a power source, and when turned off while connected to power source and charging, it will not display any charge activity on the screen.

For an iPhone to charge while powered off, all you have to do is plug it into power source, (make sure it charging) and switch it off normally.

To do this, hold onto the power button for a few seconds until you are prompted to slide to power off. Slide to power off and the iPhone will continue to charge in the background. Don’t fret about not seeing a charge icon on the screen.

2: Charge Via the Power Mains

I believe most users find it convenient to charge their smartphones using the USB ports on the laptop. Just for once, connect your phone charger to the power mains. Any rechargeable electrical device charges much faster via power mains than via USB ports on the computer.

Whereas, USB connectivity will assure you of 500mA for iPhone charging for example, the wall socket will charge your device at 1amp. That’s almost double the power and speed.

3: Use Genuine iPhone Charger

There are many fake chargers out there and you need to be sure they are not causing more harm to the lion battery inside your smartphone. Fortunately for iPhone users, IOS 7 comes prepared to forewarn you once below-par cable is used. (see image)

Use genuine chargers to avoid damage to the  lion battery inside your smartphone
Use genuine chargers to avoid damage to the lion battery inside your smartphone

Citing Apple in particular, the company uses complex conversion mechanism to turn the 240v to appropriate charging amps, something that cannot be perfected by manufacturers of cheap substandard chargers. This explains the recent charger explosions in Asia.

An external battery bank to  aid in iPhone battery charging
An external battery bank to aid in iPhone battery charging

4: Turn Smartphone Features On or Off

If however you need to leave your phone on while charging, you may consider, disabling a number of battery intensive features. You do not want to have your battery discharging just as you are charging it.

Airplane Mode
Airplane Mode

Begin by disabling and tweaking resource hog features on and off:

  • Turn Airplane Mode on: If you are not convinced about switching the iPhone completely off, then you can opt to turn Airplane Mode on. For many, believing comes after seeing! This mode basically helps switch off the incessant cell tower activities that just as well feed on your battery.

    This time however, the charge icon will show and you will not have to be worried. But again, you will not be able to communicate during this charging time. Remember to turn Airplane Mode off after charging is complete.

    Turn off Hi-speed internet connectivity. This basically means 3G or 4G, and where necessary you may actually want to turn internet completely off!

  • Turn wi-fi and Bluetooth off. Once on, these two are notorious for continuously seeking both wireless and Bluetooth enabled devices nearby.
  • Turn off GPS reliant Location Services. This service makes use of mapping and of course wireless capabilities to locate you in the map.
  • Close all running apps. Unknown to you are apps that you have recently used and are working in the background. They are not necessarily active but are quietly stressing memory usage, and this impacts on the battery. You can simplify this by restarting your smartphone. This procedure automatically shuts down all apps running in the background.
  • Make sure the auto-lock feature is on, and auto-time it to a minute or less. This way, you ensure that the screen, which is the biggest battery sucking component is off most of the charging time.
  • Always ensure that the charging environment is optimum; not too cold and neither too hot. Charging in a hot environment is detrimental to your smartphone battery, and very cold temperature will slow down the charging process. Read this Apple page for optimum temperature recommendations.

5: Try Third Party Utilities Like Battery Doctor and Asus AI

A number of third party software claim to speed up charging of your smartphone.

Start by installing Battery Doctor app and Asus AI application;

> Battery Doctor

Battery Doctor for both iPhone and Android devices from both App Store and Google Play.

Among other options, Battery Doctor will:

  • alert you about the remaining charge hours;
  • allow you disable battery sucking apps and tweaks;
  • kill all running apps;
  • free up phone memory.

6: Preserve iPhone Battery Life by Calibrating It Monthly

Besides all that have been explained above, try to calibrate your smartphone battery at least once a month, so as to keep it in optimum condition. Do this by draining the battery down to 0% and then charging it back up.

For those that charge using the computer, ensure that sleep and hibernation features are disabled. You don't want to come back an hour later only to find the computer asleep. Alternatively if your computer supports the feature, use BIOS settings to turn on USB charging when computer is asleep or in hibernation.

Battery Doctor for iPhone and Android
Battery Doctor for iPhone and Android
Asus AI running in the System Tray
Asus AI running in the System Tray

> Asus AI

Another nifty little utility is called Asus AI. To use it, simply download and install it in your windows computer.

Asus AI runs from the System Tray (Notification), and in the background as soon as the smartphone is connected.

Asus AI runs from the System Tray (Notification), and in the background as soon as the smartphone is connected.

It supposedly sends up to 1.2amps to your charger, and therefore speed up the phone charging beyond the stated amps.

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    • electronician profile image

      Dean Walsh 3 years ago from Birmingham, England

      Great tips, voted up and useful!

    • amuno profile image
      Author

      Alfred Amuno 3 years ago from Kampala

      Thanks Electronician.

    • solomonmuturi profile image

      solomonmuturi 2 years ago

      Does this also work for android phones?

    • amuno profile image
      Author

      Alfred Amuno 2 years ago from Kampala

      Yes Solomon, the above tips and Battery Doctor app work for Android devices as well.

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