How to Charge and Monitor Battery Health on iPhone 16

Key Takeaways

• Learn how to charge your iPhone using wired, wireless, or computer methods.
• Enable features like Optimized Battery Charging and Low Power Mode to extend battery lifespan.
• Monitor battery health, charging habits, and usage patterns directly in your iPhone settings.

---

Your iPhone is powered by a high-performance lithium-ion battery that charges quickly, lasts longer, and supports fast and wireless charging. Knowing how to properly charge and manage it ensures your device stays efficient and lasts longer.

Charge your iPhone using one of these methods:

1. Use a power adapter – Plug the iPhone into a power outlet using a Lightning or USB-C cable and a compatible power adapter.
2. Use a wireless charger – Place your iPhone face up on a MagSafe, MagSafe Duo, or Qi-certified wireless charger connected to power.
3. Connect to a computer – Plug your iPhone into a powered-on computer using a USB cable. Avoid charging through a USB port on a keyboard or an inactive computer.

If your iPhone battery is extremely low, you might see a blank screen or a red battery icon. Let it charge for several minutes before use.

---

Optimize charging to protect battery lifespan:

1. Go to Settings > Battery > Battery Health & Charging.
2. On iPhone 14 and earlier: Turn on Optimized Battery Charging.
3. On iPhone 15 and later: Tap Charging Optimization, then select Optimized Battery Charging.

This feature uses machine learning to delay charging past 80% until just before you need your phone.

---

Use Clean Energy Charging (U.S. only):

1. Go to Settings > Battery > Battery Health & Charging.
2. Turn on Clean Energy Charging.

iPhone will charge when local energy sources are cleaner, reducing your carbon footprint.

---

View battery percentage and activity:

• Go to Settings > Battery and turn on Battery Percentage to show the percentage in the status bar.
• On Face ID models, swipe down from the top-right corner to view battery percentage in Control Center.
• Add a Battery Widget to your Home Screen for real-time monitoring of your iPhone and connected devices.

---

Check battery health and usage:

1. Go to Settings > Battery > Battery Health & Charging to see:
   • Maximum Capacity
   • Peak Performance Capability
   • Whether your battery needs service
2. To view your usage:
   • Open Settings > Battery
   • Review Battery Level, Battery Usage by App, and Screen On/Off time
   • Tap graphs to see activity in specific hours or days
   • Read insights and suggestions to improve battery life

---

Use Low Power Mode to extend battery life:

1. Go to Settings > Battery, then toggle Low Power Mode on or off.
2. Or, swipe down to access Control Center and tap the Low Power Mode icon. You can add Low Power Mode to Control Center by going to Settings > Control Center.

Low Power Mode reduces background activity and screen refresh rate (on ProMotion displays) to extend battery life. It turns off automatically when your iPhone reaches 80% charge.

---

Frequently Asked Questions