Replace Iphone battery

WHEN TO REPLACE IPHONE BATTERY?

The quickest way to find out when to replace your iPhone battery is by checking Settings > Battery > Battery Health. This feature has been available since iOS 11.3

Batteries degrade over time due to a variety of reasons, including charge habits, deep discharging, and operating temperatures, among other reasons. Each one of these creates different internal chemical reaction patterns and changes the overall integrity of the battery over time. A battery will swell for a few reasons; physical damage, circuitry that has failed, or the use of cheap chargers that do not have the correct charging circuitry that cuts off the charge when a battery is full. More often than not, the use of cheap chargers kills batteries and has been known to destroy the chipsets on logic boards inside devices as well.

The Battery Health screen includes two indicators: Maximum Capacity and Peak Performance Capability.

Maximum capacity is a measure of the iPhone’s battery capacity relative to when it was new. On a brand new phone, this should read 100%, but if the iPhone is activated long after it leaves the factory, the battery capacity may be less than 100%. Lithium-ion batteries chemically age even if they haven’t been used yet. Apple claims that a typical battery can retain up to 80% of the original capacity under normal conditions. So, when it’s below 80%, you may experience hiccups, but it doesn’t mean you should give up on it immediately.

Peak Performance Capability tells you whether your battery can support normal peak performance.

When you see the message: “The iPhone has experienced an unexpected shutdown because the battery was unable to deliver the necessary peak power…”, it’s a clear sign that your battery’s life has decreased substantially. At this point, you may consider replacing the battery.

If the message reads: “Your battery’s health is significantly degraded…”, even though you’re still using it, you’re probably experiencing significant performance issues, and a battery replacement is strongly recommended.

Other Signs that Your iPhone Needs A New Battery

Apart from those two indicators under Battery Health, there are actual signs that tell you it’s time to replace the battery.

  • You may see low battery capacity, but there’s no warning message regarding peak performance. Everything works as usual until you play a few rounds of Street Racer, and then suddenly, the phone screen turns off. Unexpected shutdowns usually happen when the battery is low, and the battery capacity degrades to a certain level.
  • Everything becomes sluggish. App launches or a restart takes longer; the screen is stuttering or freezes now and then when scrolling.
  • Your iPhone is hot for no apparent reason. You aren’t using it in the sun or binge gaming, but the phone overheats—another sign of a bad battery.
  • The most common sign is the battery can barely last a few hours. In extreme situations, your phone only functions when plugged in.

How Long Can A Normal Battery Last?

The new battery should give you another two to five years if you take good care of your phone.

The battery performance and lifespan are mainly dependent upon charge cycles, depth of discharge (DoD), and temperature. The charge cycle is the number of charges/discharges the battery can sustain. An average iPhone battery typically has 500 complete charge cycles. However, this figure could be affected by the depth of discharge and temperature. A battery’s depth of discharge refers to the amount of energy used by the phone. The more power you use, the shorter the battery lifespan will be. That’s why you see suggestions about not draining your battery to 0%. If you do that frequently, the overall cycles the battery can handle will decrease.

Temperature is another major factor regarding battery performance and lifespan. Lithium-ion batteries suffer from stress when exposed to heat. When that happens regularly, it won’t take long for the battery to lose capacity permanently.

To Maximize the Life of Your iPhone Battery

In a nutshell, partial discharge and charge and proper maintenance can reduce stress on the battery, prolonging its life.

Don’t let the battery level go lower than 50%, or wait to charge the battery when 100% of the power has been consumed. It’s easy to prevent your iPhone from draining to 0% at home or office. However, when you are out and about, a power outlet is hard to find. Carrying a power bank is not only a good idea to add extra hours between daily charges but also a great tool to prolong the iPhone battery life overall.

To reduce the temperature, keep your iPhone out of the sun to prevent overheating and damaging the battery.

Is Replacing an iPhone Battery Worth It?

Replacing the dead or dying battery in your iPhone may seem like a good idea, but it may not be worth it. It depends on how old the device is. We recommend thinking about the issue like this:

  • Is your iPhone still under warranty? Then yes, definitely replace the battery. With the warranty, the repair should be free or low cost. 
  • If it’s recently out of warranty and still working well for your needs, it probably makes sense to replace the battery
  • If it’s out of warranty and a couple of generations behind or a few years old, it probably doesn’t make sense to replace the battery.
Replace Iphone battery

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