Restore Your iPhone 11’s Power
If your iPhone 11 battery drains too fast, shuts down unexpectedly, or overheats during use, it’s time to consider a battery replacement.
At Smartphone Accessories, we offer a trusted iPhone 11 battery replacement service with high-quality batteries that match Apple’s original standards. The entire process is completed in just 30 to 60 minutes, and you can wait on-site while we work.
Battery Specifications
Capacity: 3110mAh
Type: Lithium-ion
Voltage: 3.83V
Fast charging supported: 18W
Compatible with: iPhone 11 (A2111 / A2221 / A2223)
When Should You Replace the Battery?
Signs include fast power drain, inaccurate battery percentages, or overheating. You may also see a “Service Battery” warning in Settings or notice the back cover bulging due to battery swelling.
Why Choose Smartphone Accessories?
We use genuine batteries only – no recycled or low-grade parts.
Repairs are handled by trained technicians who follow careful and safe procedures.
Our store is located steps from Hoan Kiem Lake – convenient and easy to find.
You can relax at nearby cafés or take a lakeside walk while we repair your phone.
Free battery check is available before replacement, with full post-service support and clear warranty.
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