Why Choose the iPhone 15 Pro Max 4422mAh Battery Cell
Professional Battery Cell Manufacturer
ESC is an OEM smartphone battery manufacturer serving repair shops, refurbishment factories, mobile phone parts wholesalers and private-label battery brands. Factory-direct supply supports repeat orders, mixed-model purchasing and customized packaging.
Battery Cell Without Flex
This product is supplied as a battery cell without a finished flex cable or protection-board assembly. It is intended for professional technicians who can transfer or install compatible electronic components safely.
Brand-New Pure-Cobalt Cell
The pure-cobalt Li-ion cell is designed to provide compact energy storage, stable voltage output and consistent performance for professional smartphone refurbishment.
Strict Quality Control
Each cell can undergo appearance inspection, voltage testing, capacity verification and final pre-shipment testing. ESC states that its quality-control process includes individual testing and a factory defect rate below 0.1%.
OEM and Private-Label Support
Custom cell printing, private-label packaging, barcode labels, neutral packaging and customized export cartons are available for distributors and aftermarket battery brands.
Global Wholesale Supply
Express, air, sea, rail and road transportation options are available according to the destination, order quantity and lithium battery shipping requirements.
Quick Specifications
| Specification | Details |
|---|---|
| Product Type | Replacement battery cell without flex |
| Compatible Device | iPhone 15 Pro Max |
| Compatible Model Numbers | A2849, A3105, A3106, A3108 |
| Published Capacity | 4422mAh |
| Nominal Voltage | 3.83V |
| Battery Chemistry | Rechargeable Li-ion |
| Cell Material | Brand-new pure-cobalt cell |
| Cycle Life | More than 800 cycles under specified test conditions |
| Charging Time | Approximately 1–3 hours after correct assembly |
| Working Temperature | -10°C to 50°C |
| Quality Control | Individual testing before shipment |
| Factory Defect Rate | Stated below 0.1% |
| Warranty | 12 months |
| MOQ | From 20 pieces per SKU; mixed-model MOQ subject to confirmation |
| OEM/ODM | Cell printing, logo, barcode and packaging customization |
| Available Documents | CE, FCC, RoHS, MSDS, UN38.3, PSE, KC and IEC 62133, subject to confirmation |
| Shipping Methods | Express, air freight, sea freight, rail and road freight |
| Port | Shenzhen |
| Country of Origin | China |
The specifications and commercial terms should be confirmed on the quotation, sample approval sheet and purchase order before mass production.
What Is the iPhone 15 Pro Max Battery Cell Without Flex
The iPhone 15 Pro Max battery cell without flex is a rechargeable Li-ion replacement cell for professional repair and refurbishment. Supplied by an OEM smartphone battery manufacturer and wholesale phone battery supplier, it requires a compatible protection board and flex assembly before installation.
Key Features
1. Model-Specific Cell Structure
The cell shape and terminal layout are designed for the internal battery compartment of the iPhone 15 Pro Max. Buyers should verify the device model, dimensions and terminal positions before ordering.
2. 4422mAh Published Capacity
The published capacity is 4422mAh with a nominal voltage of 3.83V. Sample testing is recommended to confirm capacity, voltage consistency and compatibility before bulk approval.
3. Brand-New Pure-Cobalt Cell
Pure-cobalt cell material supports the compact construction and energy density required for modern smartphone battery applications.
4. More Than 800 Cycles
The cell is rated for more than 800 cycles under specified testing conditions. Actual cycle life depends on charging voltage, temperature, discharge depth, protection-board quality and usage patterns.
5. OEM Wholesale Support
Custom printing, neutral packaging, private-label boxes, mixed-model purchasing and bulk-order services are available for professional B2B buyers.
Compatible Models
| Device | Year | Model Number | Market | Compatibility |
|---|---|---|---|---|
| iPhone 15 Pro Max | 2023 | A2849 | United States and Puerto Rico | Compatible |
| iPhone 15 Pro Max | 2023 | A3105 | Canada, Japan, Mexico and selected markets | Compatible |
| iPhone 15 Pro Max | 2023 | A3108 | China mainland, Hong Kong and Macao | Compatible |
| iPhone 15 Pro Max | 2023 | A3106 | Other countries and regions | Compatible |
| iPhone 15 Pro | 2023 | A2848, A3101, A3102, A3104 | Multiple markets | Not compatible |
| iPhone 15 Plus | 2023 | A2847, A3093, A3094, A3096 | Multiple markets | Not compatible |
| iPhone 15 | 2023 | A2846, A3089, A3090, A3092 | Multiple markets | Not compatible |
Similar product names or external dimensions do not guarantee battery-cell compatibility. The exact device model and battery structure should be checked before purchase.
Applications
Smartphone Repair Shops
Suitable for technicians rebuilding compatible iPhone 15 Pro Max battery assemblies using professional welding, insulation and testing procedures.
Phone Refurbishment Factories
Supports refurbishment businesses restoring used devices for resale, fleet deployment or secondary-market distribution.
Battery Assembly Specialists
Designed for technicians who can transfer or install compatible flex cables, protection boards and connector components.
Mobile Phone Parts Wholesalers
Available for distributors requiring bulk inventory, repeat-order supply and mixed-model smartphone battery purchasing.
Private-Label Battery Brands
Suitable for businesses requiring custom cell printing, branded packaging, barcode labels and customized export cartons.
Repair Chain Operators
Supports multi-location repair companies that require standardized specifications, sample approval and stable long-term supply.
Professional Assembly Requirements
Compatible Protection Board and Flex
A compatible protection board, flex cable and connector assembly must be installed or transferred before the cell can be used as a finished replacement battery.
Correct Terminal Connection
Cell terminals must be connected with appropriate professional equipment. Reverse polarity, excessive heat or poor welding may damage the cell or electronic components.
Complete Insulation
All terminals, welding areas and conductive components must be insulated to prevent short circuits and contact with the device enclosure.
Accurate Mechanical Fit
Confirm cell dimensions, terminal location, adhesive placement and internal clearance before closing the device.
Final Electrical Testing
After assembly, test voltage, internal resistance, charging behavior, discharge performance, operating temperature and device stability.
Quality Control Process
Incoming Material Inspection
Cells are inspected for deformation, swelling, leakage, surface damage and terminal condition before production.
Voltage Testing
Open-circuit voltage is checked to identify cells that fall outside the approved production range.
Internal Resistance Testing
Internal resistance testing helps evaluate cell consistency and identify abnormal units before assembly.
Capacity Verification
Capacity testing confirms the cell’s energy output under defined charge-and-discharge conditions.
Appearance Inspection
The wrapping, dimensions, terminal areas, printing and insulation are checked before packing.
Final Pre-Shipment Inspection
Finished cells are tested and inspected before shipment to improve batch consistency and reduce preventable quality claims.
OEM and Private-Label Services
Customized Cell Printing
Add a private brand, product model, capacity information, warning text or customer-supplied design to the cell surface.
Neutral Packaging
Plain packaging is available for wholesalers and repair businesses that apply their own labels after delivery.
Branded Retail Packaging
Customized boxes, blister trays, inserts and printed labels can be developed for private-label product programs.
Barcode and SKU Management
Individual barcodes, model codes, carton labels and warehouse identification can be prepared for multi-SKU distributors.
Mixed-Model Orders
Different smartphone battery-cell models can be combined in one wholesale order, subject to current MOQ and production requirements.
Sample Approval
Buyers can test physical fit, electrical parameters, assembly procedures and packaging before approving mass production.
Purchase Verification Checklist
Confirm the Device Model
Verify that the device is an iPhone 15 Pro Max rather than an iPhone 15 Pro, iPhone 15 Plus or standard iPhone 15.
Check the Regional Model Number
Confirm that the device model number is A2849, A3105, A3106 or A3108.
Confirm the Product Form
This product is a battery cell without a complete finished flex and protection-board assembly.
Verify the Specifications
Confirm the required capacity, voltage, terminal structure, dimensions and package contents before ordering.
Approve a Sample
Professional buyers should test samples using their intended assembly process and electronic components.
Confirm Transport Documents
Required documents may vary according to the carrier, marketplace, destination country and shipping method.
Battery Cell Storage and Handling
Recommended Storage Environment
Store the cells in a dry, ventilated environment away from direct sunlight, excessive heat, moisture and conductive materials.
Avoid Physical Damage
Do not bend, crush, puncture, drop, disassemble, heat or burn the cell.
Prevent Short Circuits
Keep the terminals insulated and separated from metal objects during storage, production and transportation.
Inspect Before Assembly
Do not use cells showing swelling, leakage, damaged wrapping, corrosion, deformation or abnormal voltage.
Use Qualified Technicians
Cell replacement and flex transfer should only be performed by trained technicians with suitable equipment and safety procedures.
ESC Battery Cell vs Original Battery Assembly
| Comparison Item | ESC Battery Cell Without Flex | Original Battery Assembly |
|---|---|---|
| Product Form | Battery cell without finished flex assembly | Complete integrated battery assembly |
| Compatible Device | iPhone 15 Pro Max | iPhone 15 Pro Max |
| Main Application | Professional repair and battery rebuilding | Original device assembly or authorized replacement |
| Published Capacity | 4422mAh | Manufacturer-controlled original specification |
| Flex Cable | Not included as a finished assembly | Integrated |
| Protection Board | Requires compatible installation or transfer | Integrated |
| Installation Skill | Advanced professional repair required | Installed through the original service process |
| Wholesale Supply | Available | Generally restricted |
| OEM Branding | Available | Not available |
| Private-Label Packaging | Available | Not available |
| Mixed-Model Orders | Available | Generally unavailable |
| Sample Evaluation | Available for B2B buyers | Depends on the authorized supply channel |
| Warranty | 12-month supplier warranty | Subject to original service terms |
| Best Suited For | Repair factories, rebuilders, wholesalers and distributors | Original manufacturing and authorized service |
This product is an aftermarket replacement battery cell and is not represented as an original Apple battery.
FAQ
1. Is this a complete iPhone 15 Pro Max replacement battery?
No. It is a battery cell without a complete finished flex cable and protection-board assembly. Professional assembly is required before installation.
2. Which devices are compatible with this battery cell?
It is designed for the iPhone 15 Pro Max, including regional model numbers A2849, A3105, A3106 and A3108.
3. Is it compatible with the iPhone 15 Pro?
No. The iPhone 15 Pro and iPhone 15 Pro Max use different battery structures and should not use the same replacement cell.
4. What is the published capacity and voltage?
The published capacity is 4422mAh, and the nominal voltage is 3.83V. Buyers should confirm these values through sample testing before bulk approval.
5. Is this an original Apple battery cell?
No. It is an aftermarket replacement cell manufactured for professional repair, refurbishment and wholesale distribution.
6. Does the cell include a BMS or flex cable?
The product is supplied without a complete finished flex assembly. Confirm the exact package contents and required protection-board components before ordering.
7. How many charge cycles can the cell provide?
The published cycle life is more than 800 cycles under specified test conditions. Actual cycle life depends on charging voltage, temperature, discharge depth and assembly quality.
8. Can ESC customize the cell and packaging?
Yes. OEM services can include customized cell printing, private-label packaging, barcode labels, neutral boxes and export cartons.
9. What is the minimum order quantity?
The standard MOQ starts from 20 pieces per SKU. Mixed-model orders and customized packaging programs may have different requirements.
10. What warranty and shipping options are available?
The standard supplier warranty is 12 months under the agreed terms. Available shipping methods include express, air, sea, rail and road freight, subject to destination regulations.
