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Apple’s iPhone Battery Health percentage found to be a hoax

By Saima Siddiqui 
Updated Date

New Delhi: Tech giant Apple’s flagship device – iPhone’s Battery Health percentage is nothing less than a sham as per a a YouTube channel that has claimed after digging into the process of how the iPhone analyses its battery condition. Apple started showing the Battery Health percentage on the iPhone after facing a public outrage back in 2018 over silently throttling performance of the handsets to mitigate unexpected shutdowns. It has so far been considered as one of the aspects to understand how long an iPhone could be used, without visiting a service centre.

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But now this video posted in April by YouTube channel Payette Forward’ show how the decline in the iPhone Battery Health percentage – which was introduced with iOS 11.3 – is of no real use and is meaningless and a hoax as it does not determine the actual battery capacity.

It is a known fact that not all batteries have the same capacity. Due to chemical reactions occurring while generating energy, batteries provide varying capacity to users. However, instead of considering the variation, the video shows Apple takes the rated capacity of iPhone batteries into view to calculate their Health percentage. This is where the conflict emerges.

Breaking down on the details, the narrator in the video took two iPhone models – the iPhone XS and iPhone 12 Pro, for comparison. While the iPhone XS shows 83 percent of maximum capacity, the iPhone 12 Pro appears to have 100 percent capacity.

The change in the maximum capacity does not indicate the exact age of the batteries on the two iPhone models. Rather, the difference seems simply to be because the iPhone 12 Pro went through 97 charge cycles at the time it was put on the test, compared to the 466 charge cycles the iPhone XS had gone through.

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Notably, Apple itself claims that “with lithium-ion batteries, the capacity diminishes slightly with each complete charge cycle.” By going through the iPhone analytics, the narrator suggests that the iphone makers does not consider the actual capacity as the base for calculating the Battery Health percentage and instead uses the rated capacity to estimate how much battery life is left on an iPhone. The actual capacity could be higher than the rated capacity in some cases and may show 100 percent capacity on your iPhone for some time – even after completing several charging cycles.

“It’s like filling up the gas tank in your car… it’s all digital now, but with a gas gauge, you would fill up the tank, and it would go past F, and it would take a while – a lot of gas burned to get back to F,” the narrator says.

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