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.
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.
















