ESC
Home/Products/Diagnosable iPhone Battery/iPhone 17 Pro Diagnostic Battery 3988mAh 3.85V
default product image
iPhone 17 Pro Diagnostic Battery 3988mAh 3.85V

Factory-direct 3988mAh iPhone 17 Pro diagnostic battery from an iPhone battery manufacturer, diagnostic battery supplier and OEM battery factory with strict QC.

iPhone 17 Pro Diagnostic Battery 3988mAh 3.85V






Why Choose ESC iPhone 17 Pro Diagnostic Battery?

Professional iPhone Battery Manufacturer

ESC is an iPhone battery manufacturer supplying diagnostic and replacement batteries to professional repair shops, refurbishment facilities, phone-parts wholesalers, distributors and private label battery businesses.

Its diagnostic-compatible range uses cell matching, BMS calibration, aging testing and final quality inspection, with OEM branding and customized packaging available for bulk buyers.

Factory-Direct Diagnostic Battery Supply

Purchasing from a factory direct battery wholesaler provides direct access to battery production, quality inspection, customization, packaging and technical support.

ESC supports sample evaluation, individual model purchasing, mixed-model orders and long-term wholesale programs for professional repair markets. 易充电

Model-Specific 3988mAh Design

The shown battery is rated at 3988mAh and is designed around the iPhone 17 Pro battery structure.

Its model reference, APN, flex position and connector configuration give professional buyers clear parameters for sample approval and inventory control.

Diagnostic-Compatible Repair Configuration

ESC positions its diagnostic-compatible iPhone batteries for professional repair workflows involving battery recognition, Battery Health-related testing and post-installation diagnostics after the appropriate installation and programming process.

Final display behavior should always be tested on the intended phone, software version and repair workflow before bulk purchasing.

Strict Quality Control

Battery inspection can include appearance, voltage, internal resistance, measured capacity, charge/discharge behavior, aging performance and flex-connector inspection.

ESC's current iPhone 17-series diagnostic battery specification lists 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 customized logos, battery labels, barcodes, private packaging, instruction cards, warranty materials and export-carton markings.

This allows wholesalers and private label battery suppliers to develop differentiated products for their local repair markets.

Flexible MOQ and Lead Time

ESC's current iPhone 17-series diagnostic battery terms list a 20-piece single-model MOQ and a 100-piece mixed-model MOQ.

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

12-Month Warranty

A 12-month supplier warranty is available for qualified product-quality issues under ESC's current diagnostic battery terms.

Global Battery Shipping

Available logistics options include DHL, UPS, air freight, sea freight, railway freight and road transportation.

The shipping route can be selected according to destination, order quantity, customs requirements and delivery schedule.

Quick Specifications

Specification Details
Product Name iPhone 17 Pro Diagnostic Battery
Compatible Device Apple iPhone 17 Pro
Compatible Model Numbers A3256, A3522, A3523, A3524
Product Type Diagnostic-Compatible Replacement Battery
Battery Type Rechargeable Li-ion Battery
Battery Model 11CP6/60/72
APN 0113S
Capacity 3988mAh
Nominal Voltage 3.85V
Energy Marking on Shown Sample 15.534Wh
Charge Voltage 4.50V
Battery Standard GB 31241-2014
Visible Certification Marks CE, PSE
Product Configuration Battery With Attached Flex Connector
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
Typical Certification Support ISO 9001, CE, RoHS, FCC, IEC 62133, PSE, REACH, UL 2054, MSDS, UN38.3
Express Shipping DHL / UPS, Approximately 3–6 Days
Air Freight Available
Sea Freight Approximately 20–40 Days
Railway Freight Approximately 30–35 Days
Road Transportation Approximately 20–25 Days
Shipping Port Shenzhen

Apple identifies iPhone 17 Pro model numbers as A3256, A3522, A3524 and A3523 for different sales regions.

Production specification check: the shown sample prints 3988mAh, 3.85V and 15.534Wh. Calculating 3.988Ah × 3.85V gives approximately 15.35Wh, so the nominal voltage or Wh marking should be reconfirmed before the final production label is published.

iPhone 17 Pro diagnostic battery

What Is an iPhone 17 Pro Diagnostic Battery?

Product Definition

An iPhone 17 Pro diagnostic battery is a 3988mAh Li-ion replacement battery for professional repair and device testing. ESC is an iPhone battery manufacturer, diagnostic battery supplier and OEM battery factory offering strict QC, private labels and bulk supply.

It is an aftermarket professional repair component and should not be represented as a genuine Apple battery.

Key Features

1. Model-Specific 3988mAh Capacity

The 3988mAh configuration provides a model-specific replacement solution for professional iPhone 17 Pro battery repair.

Measured discharge capacity should be verified during sample approval before bulk production.

2. Diagnostic-Compatible Battery Design

The battery is intended for professional workflows where battery recognition, Battery Health-related behavior and post-repair diagnostics are important.

ESC's diagnostic-compatible range is designed to support battery diagnostic recognition and stable Battery Health display after proper installation and programming.

3. Model 11CP6/60/72 With APN 0113S

Clear model and APN information helps repair businesses and wholesalers distinguish this battery from other iPhone 17-series battery configurations.

4. Attached Flex Connector

The battery includes an attached flex connector rather than being supplied as a bare cell, providing a more complete solution for professional installation.

5. OEM and Private Label Support

Custom logos, battery labels, barcodes, retail packaging and export cartons are available for distributors, repair chains and private label battery brands.

Compatible iPhone Models

Compatible Device Model Number Market Compatibility Notes
iPhone 17 Pro A3256 United States / Puerto Rico Confirm Battery Structure Before Ordering
iPhone 17 Pro A3522 Canada, Japan, Middle East and Selected Markets Confirm Original Battery and Connector
iPhone 17 Pro A3523 Other Countries and Regions Verify Physical Battery Version
iPhone 17 Pro A3524 China Mainland Verify Battery Shape and Flex Position

Apple confirms these four regional model numbers for the iPhone 17 Pro. Apple also notes that some regional iPhone 17 Pro versions have no SIM tray while others retain a physical nano-SIM tray, so professional buyers should verify the original battery shape and internal configuration before assuming one battery version fits every regional device.

This product should not be confused with batteries for the iPhone 17, iPhone Air or iPhone 17 Pro Max.

Applications

Mobile Phone Repair Shops

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

Diagnostic Repair Centers

Designed for repair businesses that require battery installation, charging verification, device testing and post-repair diagnostic checks.

Smartphone Refurbishment Facilities

Suitable for batch refurbishment programs requiring model-specific battery specifications, controlled quality and repeat supply.

Mobile Phone Parts Wholesalers

The iPhone 17 Pro diagnostic battery can be included in professional replacement battery inventories for repair shops and regional distributors.

Repair Chain Stores

Centralized sourcing helps repair chains standardize battery specifications, sample approval requirements and inventory across multiple locations.

Private Label Battery Brands

OEM customization supports customer logos, custom labels, packaging, barcodes and warranty materials.

E-Commerce Battery Sellers

Clear model, capacity, voltage, APN and compatibility information supports accurate product listings and helps reduce model-selection errors.

International Distributors

Mixed-model purchasing, export documentation and multiple shipping routes support regional wholesale and distribution programs.

ESC Diagnostic Battery vs Original iPhone 17 Pro Battery

Apple's public iPhone 17 Pro technical specifications state that the phone uses a built-in rechargeable lithium-ion battery, but Apple does not publish an mAh or Wh value on that public specification page. Apple rates the device for up to 33 hours of video playback and up to 30 hours of streamed video playback.

Comparison Item ESC Diagnostic Battery Original iPhone 17 Pro Battery
Product Type Aftermarket Diagnostic-Compatible Replacement Factory-Installed / Genuine Service Battery
Compatible Device iPhone 17 Pro iPhone 17 Pro
Battery Type Rechargeable Li-ion Built-In Rechargeable Li-ion
Listed Capacity 3988mAh Apple Does Not Publish mAh on Public Tech Specs
Nominal Voltage 3.85V on Shown Sample Original Model-Specific Specification
Energy 15.534Wh Printed on Sample Not Published on Apple's Public Tech Specs
Charge Voltage 4.50V Managed by Original Battery and Charging System
Battery Model 11CP6/60/72 Original Production Reference
APN 0113S Original Production Reference
Flex Configuration Diagnostic-Compatible Attached Flex Original Factory Electronics
Primary Use Professional Repair and Diagnostics Factory Operation / Genuine Service Repair
Battery Recognition Depends on Battery Solution and Repair Procedure Native Original Integration
Battery Health Must Be Verified by Sample and Software Version Native When Properly Verified
Parts and Service History Depends on Part Origin and Verification Genuine / Used Status According to Apple's Rules
Warning Behavior Must Be Verified on Target Software Managed by Original Apple System
Installation Professional Repair Required Factory / Supported Service Repair
OEM Branding Available Not Available
Private Packaging Available Not Available
Wholesale Supply Available for B2B Purchasing Controlled Service Supply Chain
MOQ 20 Pieces Single Model Not Open General Wholesale
Warranty 12-Month Supplier Warranty Subject to Apple Service Terms
Target Customers Repairers, Refurbishers, Wholesalers, Distributors Original Manufacturing and Official Repair Channels

Apple's Parts and Service History can show Genuine, Unknown, Unverified or Used depending on the component and repair circumstances. Apple states that Genuine indicates a repair completed using genuine Apple parts and processes.

An aftermarket diagnostic battery therefore should not automatically be marketed as a "Genuine Apple Battery." Diagnostic functionality and product origin are separate issues.

Diagnostic and Repair Functions

Battery Health Validation

Diagnostic-compatible batteries are intended for workflows where Battery Health information is evaluated after replacement.

Actual display behavior should be tested on the exact production battery and target software version.

Battery Recognition Testing

Post-installation testing should verify battery detection, charging behavior, battery data and operational stability.

Parts and Service History Check

For iPhone 12 and later, Apple provides battery information in Parts and Service History after repair.

Professional sample validation should include this screen when evaluating the diagnostic battery solution.

Warning-Message Verification

An Unknown part message can appear when a replacement part is nongenuine, cannot be verified, has been modified or is not functioning as expected.

The exact behavior should therefore be validated before making "no warning" claims.

Real-Device Diagnostic Testing

The battery should be tested in an actual iPhone 17 Pro rather than evaluated only with external battery testers.

Apple also publishes an official iPhone 17 Pro Repair Manual covering battery, charging, power and diagnostic procedures.

Quality Control Process

Incoming Material Inspection

Battery cells, flex components and related materials should be checked for appearance, dimensions, voltage and production consistency.

Capacity Verification

Professional battery analyzers should confirm measured discharge capacity against the approved 3988mAh specification.

Voltage and Internal Resistance Testing

Voltage and internal resistance should be measured to identify abnormal batteries and improve batch consistency.

Charging and Discharging Test

Finished batteries should be tested for charging current, discharge capacity, voltage stability, temperature and abnormal shutdown.

Flex Connector Inspection

The connector, contact points, flex position and connection integrity should be inspected before shipment.

Diagnostic Compatibility Test

Production samples should be installed in actual iPhone 17 Pro devices to verify the required repair and diagnostic behavior.

Aging Inspection

Aging testing helps identify excessive self-discharge and unstable electrical performance before batteries enter wholesale inventory.

Final Inspection

Final QC should confirm battery model, APN, printed electrical specifications, connector, appearance, quantities and packaging.

ESC's current iPhone 17-series diagnostic product page lists capacity testing, voltage and resistance measurement, charge/discharge testing, flex inspection, aging inspection and final inspection as core quality-control steps.

OEM and Private Label Service

Custom Battery Labels

Customized labels can include the customer brand, model reference, capacity, voltage, barcode, batch number and traceability information.

Private Label Packaging

Retail boxes, protective trays, instruction cards, warranty cards and barcode labels can be customized for wholesale customers.

Barcode and SKU Management

Dedicated SKU codes help wholesalers manage iPhone 17 Pro batteries separately from iPhone 17, iPhone Air and iPhone 17 Pro Max products.

Mixed-Model Purchasing

Professional buyers can combine different diagnostic and replacement battery models according to confirmed mixed-order requirements.

Export Carton Customization

Outer cartons can include product model, quantity, barcode, shipping marks and customer branding.

FAQ

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

The shown battery is rated at 3988mAh with a nominal voltage marking of 3.85V.

Professional buyers should verify actual discharge capacity during sample testing before approving bulk production.

2. What are the battery model and APN?

The battery model shown is 11CP6/60/72 and the APN is 0113S.

These references are useful for SKU identification and professional inventory management.

3. Which iPhone 17 Pro model numbers are compatible?

Apple identifies the iPhone 17 Pro as A3256, A3522, A3523 and A3524 depending on region.

Because regional internal configurations differ, the original battery shape, flex position and connector should be verified before bulk ordering.

4. Is this battery compatible with the iPhone 17 Pro Max?

No compatibility should be assumed.

The iPhone 17 Pro and iPhone 17 Pro Max are different device platforms with different battery structures and capacity requirements.

5. What does diagnostic battery mean?

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

Its functionality depends on the battery electronics, device software, repair tools and installation procedure.

6. Will the battery show 100% Battery Health?

ESC's diagnostic-compatible battery range includes solutions designed to support stable Battery Health display after proper installation and programming.

The exact result should be validated with the production sample, target iPhone 17 Pro and intended software version before making a guaranteed claim.

7. Will this battery show Genuine in Parts and Service History?

An aftermarket diagnostic battery should not automatically be advertised as Genuine.

Apple states that Genuine indicates a repair completed using genuine Apple parts and processes. Nongenuine, modified or unverified parts can appear as Unknown.

8. What is the MOQ for wholesale iPhone 17 Pro diagnostic batteries?

ESC's current iPhone 17-series diagnostic battery terms specify 20 pieces for a single model and 100 pieces for mixed-model wholesale orders.

Final quantities may depend on packaging, customization and production requirements.

9. Can ESC customize the battery label and packaging?

Yes. ESC supports customer logos, battery labels, barcodes, private packaging, instruction cards, warranty cards and export-carton markings for its diagnostic battery range.

10. What warranty and shipping options are available?

ESC's current iPhone 17-series diagnostic battery terms specify a 12-month supplier warranty.

Available shipping options include DHL, UPS, air freight, sea freight, railway freight and road transportation. The appropriate method depends on destination, quantity and lithium-battery transportation 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.

ESC production process 1
ESC production process 2
ESC production process 3
ESC production process 4
ESC production process 5
ESC production process 6

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

Phone

For free sample,please click here.

For instant communication,please click here.

For our home page, please click here.

Minimum Order: 10 Units
WeChat QR Code