When Should You Replace iPhone 11 Pro Battery?
If your iPhone 11 Pro is draining too quickly, shuts down unexpectedly, or overheats during charging, these are clear signs the battery is no longer performing properly. In some cases, the battery may swell and cause the screen or back to lift. These issues not only affect daily use but may damage internal components.
It is recommended to replace iPhone 11 Pro battery as soon as these signs appear to restore normal performance and prevent further problems.
Battery Specifications for iPhone 11 Pro
- Lithium-ion battery
- Capacity: 3,046mAh
- Rated voltage: 3.83V
Compatible models: A2160, A2217, A2215

Our Battery Replacement Process
At Smartphone Accessories, we offer professional service using certified replacement batteries. Your device is handled carefully to ensure full safety and optimal results.
Each service includes:
- Battery health check and consultation
- Careful removal of the old battery
- Installation of a certified replacement unit
- Final test to verify charging speed, battery stability, and device temperature
The repair is completed within 60 to 120 minutes. No need to leave your phone overnight.
Why Choose Smartphone Accessories?
- We only use high-quality, tested batteries
- Repairs are handled by skilled, experienced technicians
- Transparent pricing – no hidden fees
- Convenient location next to Hoan Kiem Lake – enjoy a short walk while waiting
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