iPhone 11 Battery Replacement

The iPhone 11 features a 3,110 mAh lithium-ion battery engineered to support its Liquid Retina LCD display and A13 Bionic processor. When the battery begins draining fast, shutting down early, or showing a service warning, a high-quality replacement restores strong, consistent, all-day performance.

1-Year Battery Warranty

Battery Options for iPhone 11

The premium capacity of the iPhone 11 battery is 3,110 mAh. We install Amsentrix premium aftermarket batteries and genuine Premium Platinium batteries, all sourced through Mobilesentrix — one of the most trusted Premium parts distributors in the U.S.

Amsentrix – Standard Capacity (3,110 mAh)

  • Closest match to premium battery performance
  • Stable, safe, certified lithium cells
  • Reliable full-day usage
  • Manufactured by Mobilesentrix (Premium distributor)

Warranty: 1 Year
Repair Time: 30–45 minutes

Amsentrix – High Capacity (+15% / +20%)

  • Longer screen-on time for daily use
  • Ideal for video, social media, and heavy multitasking
  • Improved discharge stability
  • High-endurance power delivery

Warranty: 1 Year
Repair Time: 30–45 minutes

Premium Platinium Battery (3,110 mAh)

  • True Premium-grade battery chemistry
  • Accurate iOS calibration and health reporting
  • Best long-term performance and stability
  • Sourced directly via Mobilesentrix

Warranty: 1 Year
Repair Time: 30–45 minutes

Our Battery Quality Standards

Low-grade batteries can cause overheating, swelling, inaccurate battery health readings, and short lifespan. One Fix Tech installs only high-quality, certified lithium battery cells engineered to meet or exceed Premium’s safety requirements.

  • Amsentrix Premium: Best aftermarket option available.
  • Normal & High Capacity: Options for all usage needs.
  • Premium Platinium: Premium-grade replacement.
  • 1-Year Warranty: Covers swelling, defects, and early failure.

Essential Battery Safety & Usage Tips

  • Avoid quick “5-minute charges” — they stress the internal chemistry.
  • Swollen batteries can lift and damage the LCD screen.
  • Daily overnight charging accelerates wear.
  • Use trusted chargers: Premium, Anker, Belkin, Mophie.
  • Charging port cleaning is always free at One Fix Tech.
  • Avoid cheap cables — they can damage the charging IC and battery health.

Why Choose One Fix Tech?

  • Premium Amsentrix & Premium Platinium batteries
  • 1-year warranty
  • Professional, safe installation
  • No recycled or unknown batteries ever
  • Free charging port cleaning
  • Mobilesentrix Premium-verified supply chain

Need a Stronger Battery?

Walk in anytime or book your repair online.

Book Repair