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iPhone 17 Pro Max Diagnostic Battery 4832mAh

Factory-direct 4832mAh iPhone 17 Pro Max diagnostic battery from an iPhone battery manufacturer and diagnostic battery factory with strict QC, OEM service and global shipping.

iPhone 17 Pro Max Diagnostic Battery 4832mAh






Why Choose ESC iPhone 17 Pro Max Diagnostic Battery?

Professional iPhone Battery Manufacturer

ESC is an experienced iPhone battery manufacturer supplying diagnostic and replacement batteries to professional repair shops, refurbishment facilities, mobile phone parts wholesalers and international distributors.

Standardized production processes, professional testing equipment and experienced technical support help maintain consistent specifications and repeat-order quality.

Factory-Direct Diagnostic Battery Supply

Purchasing from a diagnostic battery factory gives professional buyers direct access to production, quality inspection, product customization, packaging and after-sales support.

ESC supports sample evaluation, single-model orders, mixed-model purchasing and long-term bulk supply programs.

Model-Specific 4832mAh Design

The battery has a rated capacity of 4832mAh, a nominal voltage of 3.887V and rated energy of 18.748Wh.

Its physical structure, connector position and electrical specifications are designed for professional iPhone 17 Pro Max replacement and testing applications.

Diagnostic Battery Configuration

The battery is designed to support professional installation, charging tests, device inspection and post-repair diagnostic workflows.

Diagnostic results should be verified with the target phone, device software, repair tools and service procedure before bulk approval.

Attached Flex Connector

The product includes an attached flex connector rather than being supplied as a bare battery cell.

This configuration simplifies professional installation and supports repair shops requiring a more complete replacement battery solution.

Strict Quality Control

Battery inspections include appearance checking, voltage measurement, internal-resistance testing, capacity verification, charging and discharging tests, aging inspection and connector checking.

Individual testing helps maintain a factory defect-rate target below 0.1% and a customer-reported defect rate below 1%.

OEM Battery Factory Support

As an OEM battery factory, ESC supports custom battery labels, customer logos, private label packaging, barcode labels, instruction cards, warranty cards and export-carton markings.

These services help wholesalers and private label battery suppliers develop differentiated product ranges.

Flexible Wholesale MOQ

The single-model MOQ is 20 pieces. Mixed-model wholesale orders can start from 100 pieces, depending on the selected products, packaging and customization requirements.

Samples can be tested before a larger purchasing program is approved.

Stable Production Lead Time

Standard products can normally be prepared within approximately seven days when materials and inventory are available.

Customized labels, private packaging and larger production quantities may require additional production time.

Global Battery Shipping

Available shipping methods include DHL, UPS, air freight, sea freight, railway freight and road transportation.

The appropriate logistics route can be selected according to the destination, order quantity, customs requirements, delivery schedule and transportation budget.

Quick Specifications

Specification Details
Product Name iPhone 17 Pro Max Diagnostic Battery
Compatible Device iPhone 17 Pro Max
Battery Model 11CP6/84/66
APN PSMU8
Battery Type Rechargeable Lithium-Ion Battery
Rated Capacity 4832mAh
Nominal Voltage 3.887V
Rated Energy 18.748Wh
Charge Voltage 4.50V
Product Configuration Diagnostic Battery With Attached Flex Connector
Battery Standard GB 31241-2014
Factory Defect-Rate Target Below 0.1%
Customer-Reported Defect Rate Below 1%
Standard Lead Time Approximately 7 Days
Warranty 12 Months
Single-Model MOQ 20 Pieces
Mixed-Model MOQ 100 Pieces
OEM Service Custom Logo, Battery Label, Barcode and Private Packaging
Certifications ISO 9001, CE, RoHS, FCC, IEC 62133, PSE, REACH, UL 2054, MSDS and UN38.3
Express Shipping DHL or UPS, Approximately 3–6 Days
Air Freight Available According to Destination and Order Quantity
Sea Freight Approximately 20–40 Days
Railway Freight Approximately 30–35 Days
Road Transportation Approximately 20–25 Days
Shipping Port Shenzhen

Final certificate availability, lead time, order quantity and transportation schedule should be confirmed according to the selected production batch, destination and packaging requirements.

iPhone 17 Pro Max diagnostic battery

What Is an iPhone 17 Pro Max Diagnostic Battery?

Product Definition

An iPhone 17 Pro Max diagnostic battery is a 4832mAh, 3.887V lithium-ion replacement battery with an attached flex connector for professional repair and device testing. ESC is an iPhone battery manufacturer, phone battery supplier and diagnostic battery factory offering strict QC, OEM service, bulk supply and global shipping.

This product is an aftermarket replacement battery intended for professional B2B supply. It is not an original manufacturer battery or an authorized service part.

Key Features

1. Model-Specific 4832mAh Capacity

The listed 4832mAh capacity, 3.887V nominal voltage and 18.748Wh energy rating provide a model-specific replacement power solution for the iPhone 17 Pro Max.

Actual runtime depends on measured capacity, phone condition, operating temperature, network activity, software use and charging habits.

2. Professional Diagnostic Configuration

The battery is designed for professional installation, charging verification, device testing and supported post-repair diagnostic workflows.

Final diagnostic behavior should be confirmed through sample installation before bulk purchasing.

3. Attached Flex Connector

The integrated flex connector provides a more complete replacement configuration than a bare battery cell without connection components.

Technicians should confirm the connector position, battery shape and required installation process before use.

4. Strict Batch Inspection

Capacity testing, voltage measurement, internal-resistance inspection, charging and discharging tests, aging inspection and connector checks help improve batch consistency.

5. OEM and Private Label Support

Custom logos, battery labels, retail boxes, barcode labels, instruction cards, warranty cards and export cartons are available for wholesale and private label programs.

Compatible Device

Device Compatibility Product Configuration
iPhone 17 Pro Max Dedicated Model Compatibility Diagnostic Battery With Attached Flex Connector

This battery is designed specifically for the iPhone 17 Pro Max. It is not intended for other iPhone 17 series devices.

Buyers should verify the device version, original battery shape, connector location and diagnostic requirements before ordering.

Applications

Mobile Phone Repair Shops

Suitable for professional technicians replacing aged, damaged, fast-draining or low-capacity iPhone 17 Pro Max batteries.

Diagnostic Repair Centers

Supports installation inspection, charging verification, battery testing and post-repair diagnostic procedures.

Refurbishment Facilities

Suitable for batch refurbishment programs requiring model-specific batteries, consistent electrical specifications and stable repeat supply.

Mobile Phone Parts Wholesalers

The iPhone 17 Pro Max diagnostic battery can be included in a professional replacement battery range for repair shops, service centers and regional distributors.

Repair Chain Stores

Centralized purchasing helps repair chains maintain standardized product specifications, predictable inventory and consistent quality across multiple locations.

Private Label Battery Brands

OEM customization allows battery brands to add custom logos, product labels, retail packaging, barcode information and warranty materials.

E-Commerce Battery Sellers

Suitable for online sellers requiring model-specific inventory, professional product information, retail-ready packaging and stable wholesale supply.

International Distributors

Mixed-model purchasing, export documentation and multiple transportation methods support regional distribution and international wholesale programs.

ESC Diagnostic Battery vs Original Factory Battery

Comparison Item ESC Diagnostic Battery Original Factory Battery
Product Type Compatible diagnostic replacement battery Factory-installed battery assembly
Compatible Device iPhone 17 Pro Max iPhone 17 Pro Max
Listed Capacity 4832mAh Original model-specific capacity
Nominal Voltage 3.887V Original model-specific electrical specification
Rated Energy 18.748Wh Original model-specific energy specification
Charge Voltage 4.50V Managed by the original charging system
Product Configuration Battery with attached flex connector Original battery and management components integrated
Diagnostic Positioning Designed for professional repair and testing workflows Integrated with the original device ecosystem
Installation Method Professional repair installation required Installed during manufacturing or official service
Battery Recognition Depends on battery configuration, repair procedure and device software Managed through the original battery and device system
Battery Health Display Should be verified through sample installation Normally supported by the original system
Warning-Message Behavior Depends on installation, device software and diagnostic procedure Normally managed through the original device system
Branding ESC, neutral label or customized private label Original manufacturer identification
Packaging Standard wholesale or customized OEM packaging Original service-channel packaging
Wholesale Availability Available for professional B2B purchasing Subject to original service-channel policies
OEM Labeling Supported Not available for third-party branding
Private Packaging Supported Not available
Order Flexibility Supports single-model, mixed-model and customized orders Limited by official service-channel availability
Single-Model MOQ 20 Pieces Generally unavailable through flexible aftermarket wholesale
Warranty 12-Month Supplier Warranty Subject to original manufacturer service terms
Target Customers Repair shops, refurbishers, wholesalers and distributors Original manufacturing and authorized service networks
Cost Positioning Competitive professional replacement solution Generally positioned within the official service ecosystem

Battery recognition, Battery Health display and warning-message behavior should be evaluated through sample installation. Results may depend on the device software, battery configuration, diagnostic tools and repair procedure.

Quality Control Process

Incoming Material Inspection

Incoming battery cells, flex components and related materials are checked for appearance, dimensions, voltage, internal resistance and production consistency.

Capacity Verification

Professional battery analyzers are used to verify whether the measured capacity meets the approved 4832mAh product specification.

Voltage and Resistance Testing

Voltage and internal resistance are measured to identify abnormal batteries and improve consistency within each production batch.

Charging and Discharging Test

Charging and discharging performance is checked to identify abnormal current, unstable voltage, excessive temperature or early capacity loss.

Flex Connector Inspection

The attached flex, contact points and connector position are inspected for appearance, alignment and connection integrity.

Aging Inspection

Aging tests help detect abnormal self-discharge and unstable electrical performance before shipment.

Final Inspection

Battery appearance, model information, printed specifications, connectors, quantities, packaging and customer requirements are checked before order release.

OEM and Private Label Service

Custom Battery Labels

Customer logos, product models, capacities, voltages, warning information, batch numbers and traceability codes can be printed on the battery label.

Private Label Packaging

Available options include individual retail boxes, protective trays, barcode labels, instruction cards and warranty cards.

Barcode and SKU Management

Customized model codes, SKU labels and barcodes help wholesalers manage multiple diagnostic and replacement battery products.

Mixed-Model Purchasing

Different smartphone, tablet and laptop battery models can be combined according to confirmed quantities and production requirements.

Export Carton Customization

Outer-carton labels, shipping marks, quantities, product models and customer branding can be customized for international shipments.

Ordering Information

Quotation Requirements

Provide the required battery model, quantity, destination country, packaging requirements, logo files, required certifications and preferred shipping method.

Sample Evaluation

Professional buyers can request samples to evaluate dimensions, flex position, voltage, measured capacity, installation compatibility and diagnostic performance.

Diagnostic Compatibility Confirmation

Buyers should provide the target device version, repair method, diagnostic equipment and expected display functions before ordering.

Bulk Production

Bulk production begins after the product configuration, quantity, label artwork, packaging, payment terms and delivery requirements are confirmed.

Shipping Arrangement

The recommended logistics route is selected according to battery quantity, destination, customs requirements, delivery schedule and transportation budget.

FAQ

1. What is the capacity of the iPhone 17 Pro Max diagnostic battery?

The listed capacity is 4832mAh, the nominal voltage is 3.887V and the rated energy is 18.748Wh.

Professional buyers can request samples to verify measured capacity and runtime before approving a bulk order.

2. Which phone is compatible with this diagnostic battery?

The battery is designed specifically for the iPhone 17 Pro Max.

It should not be used for other iPhone 17 series devices unless compatibility has been separately confirmed.

3. What does diagnostic battery mean?

A diagnostic battery is designed for professional installation, device testing, charging verification and supported post-repair diagnostic workflows.

The exact functions can depend on the device software, repair process, diagnostic tools and battery configuration.

4. Does the battery include a flex connector?

Yes. The product includes an attached flex connector.

Buyers should confirm the battery shape, flex position and connector version before placing an order.

5. Will Battery Health display after installation?

Battery Health display should be verified through sample installation before bulk purchasing.

Display results may depend on device software, battery configuration, diagnostic tools and installation procedures.

6. Is this an original manufacturer battery?

No. It is a compatible aftermarket diagnostic replacement battery manufactured for professional repair, refurbishment and wholesale markets.

It is not an original manufacturer battery or an authorized service part.

7. What is the minimum order quantity?

The single-model MOQ is 20 pieces. Mixed-model wholesale orders can start from 100 pieces.

Final quantities depend on the selected models, packaging and customization requirements.

8. Can ESC customize the battery label and packaging?

Yes. ESC supports custom logos, battery labels, retail boxes, barcode labels, instruction cards, warranty cards and export-carton markings.

9. How is battery quality checked before shipment?

Typical inspections include appearance checking, voltage testing, internal-resistance measurement, capacity verification, charging and discharging tests, flex inspection, aging tests and final packaging checks.

10. What warranty and shipping methods are available?

A 12-month supplier warranty is available for qualified product-quality issues.

Shipping options include DHL, UPS, air freight, sea freight, railway freight and road transportation. Delivery time depends on the destination, customs clearance and selected logistics route.

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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