People are curious about how their iPhone XS battery has aged over the past year

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iPhone XS and XS Max
iPhone XS and XS Max (Image credit: iMore)

What you need to know

  • People seem to be curious about how much their iPhone XS battery has degraded over the past year.
  • YouTuber Dmitry Novoselov began the discussion by revealing his iPhone XS battery health was at 91%.
  • Other revealed their battery health were at varying levels like 85% or 99%.

It has been nearly one year since the iPhone XR, XS and XS Max were released. With the one year anniversary being revisited as many users are sending their devices back as part of an upgrade program, many are checking the health of their battery out of curiosity. Turns out the battery degradation is wildly different depending on the user.

YouTuber Dmitry Novoselov began the discussion when he posted a tweet asking how people's battery health was for their iPhones. He noted that his iPhone XS battery health was at 91% after one year of use. He wondered if the battery degradation of 9% was normal.

This got people curious and they began to respond. Some reported battery health of 89% and 94% among other scores for different iPhones. YouTuber Justin Tse responded with one of the most striking declines with his battery health at 85%.

What's more surprising was when I checked the health of my iPhone XS. It is currently at 99% and still going strong. I received it on day one and have used it ever since. For my charging habits, I leave it on a wireless charger every night from 11 p.m to 6 a.m. (for the most part) like clockwork. I also checked with my co-worker to see how his iPhone X battery has aged over the past two years and he confirmed it is at 86%.

In case you are unaware, battery chemistry is not an exact science. Degradation will definitely occur, it just depends on the device and how a person uses it. But it can vary depending on certain differences. Novoselov tagged Apple Support and they responded with this statement:

Additionally, it posted the link for Apple's support page for iPhone Battery and Performance. It states: "As lithium-ion batteries chemically age, the amount of charge they can hold diminishes, resulting in shorter amounts of time before a device needs to be recharged."

iPhone batteries will degrade at different increments for everyone. I have no idea how mine has only degraded 1%, but I'll take it. However, it is not uncommon to see the battery of a brand new iPhone degrade by upwards of 10% over the course of a year. That's something worth noting when checking how your iPhone battery is doing after years of use.

What's the health of your iPhone battery? Let us know in the comments below.