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iPhone 14 Pro Max Diagnosable Replacement Battery 4323mAh A2867

Professional iPhone 14 Pro Max replacement battery supplier offering diagnosable lithium ion battery solutions with stable quality, OEM customization, bulk supply, and reliable delivery for global repair businesses.

iPhone 14 Pro Max Diagnosable Replacement Battery 4323mAh A2867






Why Choose our iPhone 14 Pro Max Diagnosable Replacement Battery?

As a professional lithium battery manufacturer, we provide high-quality diagnosable replacement batteries for smartphone repair businesses, wholesalers, and distributors.

Factory Direct Battery Supply

Factory-direct manufacturing ensures competitive pricing, stable production capacity, and reliable bulk supply for global repair businesses and distributors.

OEM/ODM Customization Support

Support OEM branding, customized packaging, barcode labels, private-label services, and tailored battery solutions for wholesalers and repair chains.

Stable Lithium-Ion Battery Performance and Quality Control

Premium lithium-ion polymer cells combined with strict production inspection provide stable capacity, reliable charging performance, and consistent product quality.

Compatible Replacement Battery Solutions for Repair Channels

Designed specifically for professional smartphone repair markets with accurate dimensions, connector compatibility, and diagnosable functionality.

Reliable Bulk Production Capacity and Global Shipping Support

Stable manufacturing capability and worldwide logistics solutions support long-term cooperation with distributors, wholesalers, and OEM customers.


Quick Specifications

Item Specification
Battery Type Lithium Ion Polymer Battery
Compatible Model iPhone 14 Pro Max
Battery Model A2867
Capacity 4323mAh
Nominal Voltage 3.87V
Charging Voltage 4.47V
Energy 16.75Wh Approx.
Function Diagnosable Replacement Battery
Quality Control 100% Production Inspection
Warranty 12 Months
MOQ Available for Bulk Orders
Shipping Global Shipping Support

iPhone 14 Pro Max replacement battery

What Is the iPhone 14 Pro Max Diagnosable Replacement Battery?

The iPhone 14 Pro Max Diagnosable Replacement Battery is a high-quality lithium-ion polymer battery designed for smartphone repair professionals and distributors. It provides stable power performance, accurate compatibility, and diagnosable functionality for efficient repair service. As an OEM battery supplier, we support bulk supply, customization, and reliable global delivery.


Key Features

1. Diagnosable Battery Solution

Designed for professional repair applications with improved compatibility and testing performance.

2. High Capacity Power Supply

4323mAh capacity provides long-lasting performance for daily smartphone usage.

3. Stable Lithium Battery Performance

High-quality lithium polymer cells ensure reliable charging and discharging cycles.

4. Professional Repair Compatibility

Designed specifically for iPhone 14 Pro Max replacement applications.

5. OEM & Bulk Supply Support

Factory-direct supply with customization options for distributors and repair businesses.


Compatible Models

Device Model Battery Model Capacity
iPhone 14 Pro Max A2867 4323mAh

Applications

Smartphone Repair & Replacement Market

This replacement battery is designed for:

  • Smartphone repair shops

  • Mobile phone refurbishment companies

  • Electronics wholesalers

  • Repair parts distributors

  • OEM/private label battery brands

  • Online replacement battery sellers


Replacement Battery vs Original Battery Comparison

Comparison Original Battery Our Replacement Battery
Battery Type Lithium Ion Polymer Lithium Ion Polymer
Compatibility iPhone 14 Pro Max iPhone 14 Pro Max
Capacity 4323mAh 4323mAh
Replacement Purpose Factory-installed Battery Professional Repair Replacement
Supply Channel Device Manufacturer Factory Direct Supplier
Customization Limited OEM/ODM Available
Bulk Purchase Not Available Available
Repair Market Support Limited Designed for Repair Businesses

FAQ

1. Is this battery compatible with iPhone 14 Pro Max?

Yes. This replacement battery is designed specifically for iPhone 14 Pro Max and follows the A2867 battery specification for reliable installation and performance.

2. Does this iPhone 14 Pro Max battery support battery diagnostics?

Yes. This battery is designed as a diagnosable replacement battery for professional repair applications, supporting efficient battery detection and repair workflows.

3. What is the capacity of this replacement battery?

The battery has a rated capacity of 4323mAh, a nominal voltage of 3.87V, and an approximate energy rating of 16.75Wh.

4. Are you a manufacturer or trading company?

We are a professional lithium battery manufacturer providing OEM/ODM production, factory-direct supply, and bulk battery solutions for global B2B customers.

5. Can you provide wholesale iPhone replacement batteries?

Yes. We support wholesale orders for smartphone repair shops, distributors, wholesalers, refurbishment companies, and private-label brands worldwide.

6. Do you support OEM customization?

Yes. We provide OEM logo printing, customized packaging, private-label branding, barcode labels, and customized battery solutions.

7. What quality tests are performed before shipment?

Each battery undergoes appearance inspection, voltage testing, capacity verification, charging and discharging tests, safety inspection, and final production quality control before shipment.

8. What is the warranty period?

We provide a 12-month warranty covering manufacturing quality issues under normal operating conditions.

9. Can you ship replacement batteries internationally?

Yes. We support worldwide shipping through professional logistics solutions, including express delivery, air freight, and sea freight.

10. Who are the target customers for this battery?

This battery is ideal for smartphone repair shops, refurbishment companies, wholesalers, distributors, electronics service providers, and OEM/private-label battery brands seeking reliable diagnosable replacement batteries.

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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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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