As your iPhone 11 series device ages, you may begin to notice battery issues—rapid battery drain, frequent charging, or even unexpected shutdowns. If your battery health has dropped below 80%, it might be time for a replacement.
In this post, we’ll walk you through the signs of battery aging, the specifications of iPhone 11 series batteries, what to watch out for when replacing them, and how to do it safely.
Why Replace Your iPhone 11 Series Battery?
Apple recommends replacing the battery once its health drops below 80%, as degraded batteries can lead to:
-
Shorter usage time
-
Increased charging frequency
-
Unstable battery percentage or sudden drops
-
iOS battery health warnings
-
Performance throttling or shutdowns during heavy use
Battery Specs: iPhone 11 Series
| Model | Battery Capacity | Video Playback (Apple Spec) |
|---|---|---|
| iPhone 11 | 3,110mAh | Up to 17 hours |
| iPhone 11 Pro | 3,046mAh | Up to 18 hours |
| iPhone 11 Pro Max | 3,969mAh | Up to 20 hours |
What to Know Before Replacing Your Battery
-
Use High-Quality Replacements: Choose AAA-grade or OEM-equivalent batteries to ensure safety and performance.
-
Get the Right Tools: You’ll need a precision tool kit, including pentalobe screwdrivers, suction cups, spudgers, heat pads, and adhesive strips.
-
Battery Calibration: After replacement, fully charge and discharge your phone 1–2 times to help iOS recalibrate.
-
Battery Health Display Warning: Non-Apple batteries may trigger a “Battery Not Verified” message. This doesn’t affect performance.
-
DIY vs. Professional: If you’re inexperienced, it’s best to let a technician handle the replacement to avoid damaging components.
iPhone 11 Battery Replacement Steps (Simplified)
⚠️ Disclaimer: This is for informational purposes only. Attempt replacement at your own risk.
-
Power off the device and remove the bottom screws
-
Use suction and a spudger to gently open the screen
-
Disconnect the battery connector from the logic board
-
Heat and carefully remove the old battery
-
Install the new battery and reconnect the cables
-
Close the device and power on for testing
After rebooting, go to Settings > Battery > Battery Health & Charging to check the status.
Benefits of Replacing Your iPhone Battery
-
Dramatically improved battery life
-
Smoother performance with fewer crashes or shutdowns
-
Cost-effective alternative to buying a new phone
-
Environmentally friendly way to extend your device’s life
Recommended Product (Example)
🔋 iPhone 11 Replacement Battery (3110mAh) – AAA Grade
-
Safe, high-density lithium cell
-
Includes adhesive strips and tool kit
-
Compatible with all iPhone 11 variants
📦 Comes with optional video tutorial support for easy replacement.
Final Thoughts
A new battery is like a fresh heartbeat for your iPhone. With just a small investment and a bit of time, you can bring your iPhone 11 / 11 Pro / Pro Max back to life with longer usage time, smoother performance, and better reliability.
Need high-quality iPhone parts?
We offer batteries, screens, camera modules, back housings, and more — all tested for safety and shipped worldwide.
Visit our store to explore more options and get expert support.