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iPhone 15 Pro Max Replacement Battery

OEM iPhone 15 Pro Max replacement battery with factory direct supply, premium Li-ion cells, strict quality control, wholesale pricing, OEM customization, and reliable global shipping solutions.

iPhone 15 Pro Max Replacement Battery






Why Choose Our iPhone 15 Pro Max Replacement Battery?

Professional OEM Smartphone Battery Manufacturer

ESC is a professional lithium battery manufacturer specializing in smartphone replacement batteries. We provide reliable iPhone 15 Pro Max battery solutions for repair shops, wholesalers, distributors, refurbishment companies, and private label brands worldwide.

Factory Direct Battery Supply

Direct manufacturer supply ensures competitive wholesale pricing, stable production capacity, flexible MOQ, and consistent battery quality for global B2B customers.

Premium Li-ion Battery Cells

Selected high-quality lithium-ion polymer cells provide stable voltage output, reliable cycle performance, and long service life for professional replacement applications.

Strict Quality Control

Each battery undergoes capacity testing, voltage testing, charging performance inspection, appearance inspection, and safety verification before shipment.

OEM & ODM Customization Service

Support customized packaging, private labels, product branding, and bulk battery solutions for distributors, repair chains, and electronic parts businesses.

Global Export Capability

Provide worldwide shipping solutions with professional export support and documentation including CE, MSDS, and UN38.3.

Quick Specifications

Item Specification
Compatible Model iPhone 15 Pro Max
Battery Type Li-ion Polymer Battery
Capacity 4422mAh
Nominal Voltage 3.88V
Energy 17.15Wh
Battery Condition Brand New Replacement Battery
Cell Type Lithium-ion Polymer Cell
Quality Control Capacity Test / Voltage Test / Safety Inspection
Defect Rate ≤1%
Warranty 12 Months
Certification CE / MSDS / UN38.3
MOQ Negotiable
Lead Time 7-15 Working Days
Shipping Method Express / Air Freight / Sea Freight

iPhone 15 Pro Max replacement battery

What Is iPhone 15 Pro Max Replacement Battery?

Professional Replacement Battery Solution

The iPhone 15 Pro Max Replacement Battery is a high-quality Li-ion polymer battery designed for professional smartphone repair and replacement applications. With a 4422mAh capacity and stable lithium battery performance, it provides reliable power replacement for damaged or aging iPhone 15 Pro Max batteries.

ESC provides factory direct battery supply, OEM customization, strict quality control, and wholesale battery solutions for global repair businesses, distributors, refurbishment companies, and private label brands.

Key Features

1. Stable 4422mAh Battery Performance

Designed according to iPhone 15 Pro Max battery specifications, providing reliable power output and stable daily performance.

2. Premium Lithium-ion Polymer Cells

Using high-quality Li-ion polymer cells with stable voltage output, low internal resistance, and reliable cycle performance.

3. Professional Replacement Solution

Suitable for smartphone repair shops, refurbishment companies, technicians, and aftermarket battery suppliers.

4. Strict Factory Quality Control

Each battery is tested through capacity inspection, voltage testing, charging performance testing, and safety verification.

5. OEM Wholesale Supply

Support bulk purchasing, OEM packaging, private labeling, and customized battery solutions for global customers.

Compatible Models

Device Model Battery Model Compatibility
iPhone 15 Pro Max A2849 Compatible
iPhone 15 Pro Max A3105 Compatible
iPhone 15 Pro Max A3106 Compatible
iPhone 15 Pro Max A3108 Compatible

Applications

Smartphone Repair & Replacement Market

The iPhone 15 Pro Max replacement battery is designed for professional repair technicians, smartphone repair shops, refurbishment companies, and mobile service providers requiring stable battery supply.

Wholesale Battery Distribution

Suitable for battery wholesalers, electronics distributors, online retailers, and aftermarket spare parts suppliers looking for factory direct smartphone battery solutions.

OEM & Private Label Business

Support customized packaging, branding solutions, bulk production, and long-term cooperation for battery distributors and mobile accessory brands.

Original Battery vs ESC Replacement Battery Comparison

Feature Original Battery ESC Replacement Battery
Battery Type Li-ion Polymer Battery Li-ion Polymer Battery
Compatible Model iPhone 15 Pro Max iPhone 15 Pro Max
Capacity 4422mAh 4422mAh
Voltage 3.88V 3.88V
Application Factory Installed Device Professional Repair Replacement
Supply Source Original Device Supply Chain Factory Direct Manufacturer
Wholesale Availability Limited Available
OEM Packaging Not Supported Supported
Private Label Not Available Supported
Quality Testing Manufacturer Standard 100% Functional Testing
Warranty Limited Manufacturer Policy 12 Months
Custom Solution Limited OEM/ODM Available

FAQ

1. Is this iPhone 15 Pro Max replacement battery compatible with the original device?

Yes. This replacement battery is designed specifically for iPhone 15 Pro Max repair applications and matches the original battery specifications.

2. What is the capacity of the iPhone 15 Pro Max replacement battery?

The battery capacity is 4422mAh with a nominal voltage of 3.88V.

3. Is this an original Apple battery?

No. This is a high-quality aftermarket replacement battery manufactured for professional repair, refurbishment, and wholesale markets.

4. What type of battery cells are used?

The battery uses premium lithium-ion polymer cells to provide stable performance, safety, and reliable cycle life.

5. Is this battery suitable for repair shops?

Yes. It is designed for smartphone repair shops, refurbishment companies, technicians, distributors, and aftermarket suppliers.

6. Do you provide OEM packaging and private label services?

Yes. ESC provides OEM packaging, customized labels, private branding, and bulk battery solutions.

7. How do you ensure battery quality?

Each battery undergoes capacity testing, voltage testing, charging inspection, appearance inspection, and safety verification before shipment.

8. What certifications are available for this battery?

CE, MSDS, and UN38.3 certification documents are available according to customer requirements.

9. What is the warranty period for this replacement battery?

We provide a 12-month warranty covering manufacturing defects and quality-related issues.

10. Do you support worldwide shipping for wholesale orders?

Yes. ESC provides global shipping solutions through express delivery, air freight, and sea freight for international customers.

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

ESC certificate 1
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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