Sep 29, 2025 · Find out when to replace your iPhone battery based on health percentage. Get the insights you need to maintain your device.

Dec 15, 2024 · Remember, your iPhone’s battery is a rechargeable lithium-ion battery, and they chemically age as time goes on. When your battery health reaches 80% or below, you should have …

Jul 23, 2025 · If you’re buying an iPhone from someone you trust, you can quickly check the battery health in the Settings app. A reading above 80% usually means you’ll get decent battery life (Apple …

Feb 13, 2025 · Learn the truth about iPhone battery health, how it affects performance, and the best tools to monitor and maintain it effectively.

Sep 4, 2025 · Apple provides an indicator called battery health percentage. This allows users to monitor the capacity of their device’s battery relative to when it was new. A battery is generally considered …

To check the health of your battery, make sure your phone is charged and then go to Settings > Battery and tap Battery Health. Here, you'll find information on maximum capacity, performance capability, …

According to Apple, an iPhone with a battery capacity of 80% or higher is in good standing. This means that the battery is still functioning “normally” and isn’t in need of replacement.

Oct 15, 2024 · Checking your iPhone’s battery health is easy. Just follow these steps: 1. Open Settings. 2. Tap on Battery. 3. Select Battery Health & Charging. In this section, you'll see your battery's …

Aug 31, 2023 · You can still use a device with a lower health percentage than 80% but for optimal usage you may wish to consider having it changed when it reaches 80% battery health.

Jul 18, 2024 · This article will explore the factors that affect the battery life of a second-hand iPhone, analyze its attenuation law, and provide some optimization strategies to help users better evaluate …