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iPhone 11 Pro Higher Capacity Replacement Battery 3400mAh

Factory direct iPhone 11 Pro higher capacity battery with 3400mAh Li-ion cells, OEM/ODM customization, strict quality control, wholesale pricing, and global shipping.

iPhone 11 Pro Higher Capacity Replacement Battery 3400mAh






Why Choose iPhone 11 Pro Higher Capacity Battery?

Professional Smartphone Battery Manufacturer

ESC is a professional Li-ion polymer battery manufacturer serving repair shops, wholesalers, refurbishment companies, distributors, and private-label brands. The company supports smartphone, tablet, and laptop replacement-battery projects.

Factory Direct Supply

Direct manufacturing provides stable production capacity, competitive wholesale pricing, flexible order quantities, and consistent quality for long-term B2B cooperation.

Strict Quality Control

Each battery is individually tested before shipment. The production system includes multiple inspection stages, and the stated factory defective rate is below 0.1%.

OEM & ODM Customization

Customized battery printing, private-label packaging, branding, and OEM/ODM production are available for distributors, repair chains, and aftermarket battery brands.

Technical and Export Support

ESC provides technical support, a 12-month warranty, and international shipping by air, sea, train, or road according to the destination and order requirements.

Quick Specifications

Item Specification
Compatible Model iPhone 11 Pro
Product Type Higher Capacity Replacement Battery
Battery Type Li-ion Battery
Cell Material Brand-New Pure-Cobalt Cell
Capacity 3400mAh
Nominal Voltage 3.83V
Cycle Life More Than 800 Cycles
Charging Time Approximately 1–3 Hours
Standby Time Approximately 3–7 Days
Protection Overcharge / Over-Discharge / Short-Circuit Protection
Working Temperature -10°C to 50°C
Defective Rate Less Than 0.1%
Warranty 12 Months
Certification CE / FCC / RoHS / MSDS / UN38.3 / PSE / IEC 62133
MOQ 20 PCS
OEM Service Battery Printing and Custom Packaging
Shipping Method Air / Sea / Train / Road
Shipping Port Shenzhen

The specifications, certifications, MOQ, warranty, protection functions, and operating temperature are based on the product information published by ESC.

iPhone 11 Pro higher capacity battery

What Is iPhone 11 Pro Higher Capacity Battery?

Professional Higher-Capacity Replacement Solution

The iPhone 11 Pro Higher Capacity Battery is a 3400mAh Li-ion replacement battery for professional repair and refurbishment. It uses a pure-cobalt cell, PCM protection, and an original-style flex structure. ESC supplies factory-direct wholesale orders, OEM packaging, private labels, and export support for distributors and repair chains.

Key Features

1. Higher 3400mAh Capacity

The increased-capacity design provides additional available energy compared with a standard-capacity replacement battery and is intended to support longer daily use between charges.

2. Brand-New Pure-Cobalt Cell

The battery uses a brand-new pure-cobalt cell designed to provide stable voltage output, consistent capacity, and reliable cycle performance.

3. Multiple Safety Protections

The integrated PCM board provides protection against overcharging, over-discharging, and short-circuit conditions.

4. More Than 800 Cycles

The published specification lists a cycle life of more than 800 cycles under appropriate charging, installation, and operating conditions.

5. OEM Wholesale Supply

Battery printing, private packaging, OEM branding, and bulk supply are available for repair businesses, wholesalers, distributors, and private-label projects.

Compatible Models

Device Model Number Compatibility
iPhone 11 Pro A2160 Compatible
iPhone 11 Pro A2215 Compatible
iPhone 11 Pro A2217 Compatible

Compatibility should be confirmed by device model, battery dimensions, flex-cable position, and connector structure before bulk ordering.

Applications

Smartphone Repair Shops

Suitable for professional technicians replacing aged, damaged, rapidly discharging, or low-runtime iPhone 11 Pro batteries.

Refurbishment Companies

Designed for refurbishment businesses requiring consistent battery specifications, stable bulk supply, and repeatable quality control.

Wholesale Distribution

Suitable for mobile-parts wholesalers, electronics distributors, online sellers, and repair-chain suppliers purchasing batteries in volume.

OEM and Private-Label Projects

Available for businesses requiring custom battery printing, branded packaging, private labels, and long-term factory supply.

Original Battery vs ESC Higher Capacity Replacement Battery

Comparison Item Typical Original Battery ESC Higher Capacity Replacement Battery
Compatible Device iPhone 11 Pro iPhone 11 Pro
Battery Type Li-ion Battery Li-ion Battery
Capacity Positioning Standard Factory Configuration 3400mAh Higher Capacity
Primary Application Factory-Installed Battery Professional Repair Replacement
Supply Channel Device Service Supply Chain Factory Direct Wholesale Supply
Bulk Purchasing Limited Available
Custom Battery Printing Not Available Available
Private-Label Packaging Not Available Available
Quality Inspection Original Production Standard Individual Testing Before Shipment
Warranty Subject to Device-Service Policy 12-Month Supplier Warranty
MOQ Not Applicable to Independent Buyers 20 PCS
Target Customers Device Production and Authorized Service Repair Shops, Refurbishers, Wholesalers, and Distributors

The ESC replacement battery is positioned as a higher-capacity aftermarket product with OEM customization, factory-direct supply, individual testing, and a 12-month supplier warranty.

FAQ

  1. What is the capacity of the iPhone 11 Pro higher capacity battery?

The rated capacity is 3400mAh, with a nominal voltage of 3.83V.

  1. Is this battery compatible with every iPhone 11 model?

No. It is designed for the iPhone 11 Pro. It is not intended for the standard iPhone 11 or iPhone 11 Pro Max.

  1. Which iPhone 11 Pro model numbers are supported?

The compatible device variants include A2160, A2215, and A2217. Buyers should still verify the battery shape, connector, and flex-cable position before ordering.

  1. Is this an original Apple battery?

No. It is an aftermarket higher-capacity replacement battery manufactured for professional repair, refurbishment, and wholesale markets.

  1. What battery cell material is used?

The product specification states that it uses a brand-new pure-cobalt Li-ion battery cell.

  1. What safety protections are included?

The PCM board provides protection against overcharging, over-discharging, and short-circuit conditions.

  1. How many cycles can the battery provide?

The published specification states more than 800 cycles. Actual cycle life depends on charging habits, temperature, installation quality, and operating conditions.

  1. Can ESC customize the battery and packaging?

Yes. OEM and ODM services include customized battery printing, private labels, branded packaging, and bulk production.

  1. What is the minimum order quantity?

The listed MOQ for this product is 20 pieces. Custom packaging or branding may require a different minimum quantity.

  1. How are wholesale battery orders shipped internationally?

Orders can be shipped by air, sea, train, or road. Available methods depend on the destination, order quantity, battery-shipping regulations, and customer requirements.

Our Factory

Since 2016, ESC has served B2B buyers with replacement batteries and charging products. We offer 3,000+ models for iPhone, Android phones, tablets and laptops, with flexible MOQs, lead times within seven days and a customer-reported defect rate below 1%. Since 2022, we have developed private-mold fast-charging power banks with broad protocol compatibility and thermal control. ESC supports brands, wholesalers, refurbishers and repair chains with OEM/ODM, certification and production services.

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Our Certificates

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ESC certificate 2
ESC certificate 3
ESC certificate 4

OEM & ODM Battery Order Process

  1. 01

    Customer Inquiry & Requirement Confirmation

    Confirm battery models, capacity, quantity, target market, certification and customization requirements.

  2. 02

    Quotation

    Provide a detailed quotation based on product specifications, order quantity, packaging and delivery requirements.

  3. 03

    Customization Details Confirmation

    Confirm customized labels, barcodes, silk-screen artwork, logo printing, packaging and other branding details.

  4. 04

    Order Confirmation

    Finalize product specifications, quantities, unit prices, payment terms, delivery schedule and shipping method.

  5. 05

    Deposit Payment

    The customer pays the agreed deposit so that materials and production can be arranged.

  6. 06

    Production Arrangement

    Arrange material preparation, battery assembly, quality inspection, aging tests, packaging and order completion.

  7. 07

    Balance Payment

    The customer pays the remaining balance after production is completed and the order details are confirmed.

  8. 08

    Shipment

    Arrange shipment by an approved air, sea, railway or express channel according to the destination and order requirements.

  9. 09

    Delivery & Receipt Follow-Up

    Provide shipping documents and tracking information, and follow up until the customer receives the goods.

  10. 10

    24/7 After-Sales Support

    Provide responsive technical assistance, quality-issue analysis and after-sales solutions after delivery.

How to Choose a Reliable Replacement Battery Supplier

Evaluate cell quality, testing capability, assembly details, production consistency and installation support before purchasing smartphone, tablet or laptop replacement batteries.

Verify Battery Model Coverage and Compatibility

Choose a supplier with broad coverage for smartphone, tablet and laptop batteries. Confirm the original battery code, device model, connector position, dimensions, rated voltage and system compatibility before ordering.

A supplier with an established model database can reduce incorrect shipments, installation problems and compatibility-related returns.

1

Check the Quality of Cells and Electronic Components

Battery quality starts with the raw materials. Ask the supplier about:

  • Battery-cell manufacturer and grade
  • Actual cell capacity
  • Cell cycle life
  • PCB and protection-chip solution
  • Connector and flex-cable quality
  • Traceability of key components

Reliable suppliers should use graded cells rather than selecting components only by the lowest price.

2

Review Incoming Material Inspection and Cell Grading

Cells should be tested and grouped according to:

  • Capacity
  • Voltage
  • Internal resistance
  • Self-discharge
  • Thickness and dimensions
  • Appearance

Proper cell grading improves consistency between batteries from the same production batch and reduces abnormal runtime, swelling and early failure.

3

Require Complete Electrical and Compatibility Testing

A professional supplier should test more than the open-circuit voltage. Quality verification should include:

  • Charging and discharging performance
  • Actual capacity
  • Battery current
  • Protection functions
  • Cycle count and battery data
  • Fuel-gauge parameters
  • Device compatibility
  • Temperature performance

Professional battery testers can perform charging, discharging, current calibration and precise parameter comparison, helping identify batteries whose measured data does not match the approved specification.

4

Evaluate Automation and Production Consistency

Automated production processes normally provide better consistency and higher capacity than heavily manual assembly.

Important processes may include:

  • Automatic cell sorting
  • Automatic welding
  • Automatic PCB testing
  • Automatic adhesive application
  • Barcode traceability
  • In-line functional inspection

Automation does not replace quality control, but it helps reduce variation caused by manual positioning, welding and assembly.

5

Inspect Assembly Details

Small assembly details have a major effect on installation efficiency and product reliability.

A well-finished battery should include:

  • Pre-applied battery adhesive
  • Dust-proof protective film
  • Protective sleeve around the flex cable
  • Fixed flex-cable position
  • Stable connector orientation
  • No loose or moving battery cable
  • Clean edges and accurate dimensions

These details reduce flex-cable damage, dust contamination, installation movement and incorrect connector alignment.

6

Confirm In-Process and Final Quality Inspection

The supplier should conduct inspection throughout production rather than checking only finished goods.

Recommended checkpoints include:

  • Incoming material inspection
  • Cell grading
  • PCB and BMS testing
  • Welding inspection
  • Assembly inspection
  • Capacity testing
  • Aging testing
  • Appearance inspection
  • Packaging inspection
  • Final random inspection

Ask whether inspection data can be traced back to the production batch.

7

Compare Capacity Claims, Defect Rate and Certification

Do not select batteries based only on the highest printed capacity.

A credible supplier should provide:

  • Tested capacity data
  • Clear rated voltage and energy
  • Customer-reported defect rate
  • Warranty policy
  • CE, RoHS, FCC, MSDS and UN38.3 documentation where applicable
  • Model-specific certification support

Exaggerated capacity labels without matching cell space, weight and test data are a significant purchasing risk.

8

Follow Correct Battery Installation Procedures

Even a qualified battery can fail if it is installed incorrectly.

Before installation:

  • Discharge the original battery below 25%
  • Power off the device
  • Use non-metallic opening tools
  • Disconnect the battery before handling other internal components
  • Avoid puncturing, bending or crushing the cell
  • Remove the protective film from the adhesive correctly
  • Align the battery and connector before pressing it into place
  • Confirm that the flex cable is not folded, stretched or trapped
  • Reinstall screws and brackets in their original positions
  • Test charging, battery recognition and device functions before final sealing

The installation guide specifically warns that a charged lithium-ion battery may catch fire or explode if punctured, and instructs technicians to power off the phone before disassembly.

9

Contact Us

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Minimum Order: 10 Units
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