Why Choose ESC iPhone 16 Pro Max High Capacity Battery?
Professional iPhone Battery Manufacturer
ESC supplies replacement and high-capacity smartphone batteries for professional repair, refurbishment and wholesale markets.
As an iPhone battery manufacturer and OEM battery factory, ESC supports bulk production, custom branding, private labels, packaging customization and long-term supply programs.
4800mAh High Capacity Design
The product shown is clearly marked 4800mAh High Capacity and is specifically labeled for the iPhone 16 Pro Max.
The increased capacity positioning is intended for buyers seeking a higher-capacity replacement option rather than a standard-capacity battery.
Actual runtime improvement depends on measured capacity, device condition, display usage, network activity, temperature and charging behavior.
3.878V / 18.614Wh Electrical Specification
The battery label specifies:
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Capacity: 4800mAh
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Nominal Voltage: 3.878V
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Energy: 18.614Wh
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Charge Limit Voltage: 4.50V
The figures are internally consistent because 4.8Ah × 3.878V is approximately 18.61Wh.
Model-Specific Battery Structure
The battery is designed specifically for iPhone 16 Pro Max and includes a model-matched flex connector.
Its shape, connector location and flex routing should be verified against the original battery before bulk approval.
High Capacity Series Positioning
The High Capacity series is suitable for repair businesses seeking differentiated replacement batteries with increased printed capacity while retaining model-specific mechanical compatibility.
Professional buyers should validate actual capacity, thickness, weight and temperature performance rather than relying on the printed capacity alone.
Strict Quality Control
Battery inspection can include:
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Appearance inspection
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Cell voltage testing
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Internal resistance testing
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Capacity verification
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Charging and discharging testing
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Flex connector inspection
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Temperature inspection
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Aging testing
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Final QC
ESC uses a factory defect-rate target below 0.1% and a customer-reported defect-rate target below 1% for qualified production.
OEM and Private Label Support
ESC supports:
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Custom customer logos
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Battery label customization
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Barcode labels
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Private packaging
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Retail boxes
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Warranty cards
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Export carton markings
These services are suitable for wholesalers, distributors, repair chains and independent battery brands.
Flexible Wholesale MOQ
The standard MOQ is 20 pieces for a single model.
Mixed-model wholesale orders can start from 100 pieces, allowing buyers to combine multiple iPhone battery models in one purchasing program.
Stable Lead Time
Standard battery orders can normally be prepared within approximately 7 days when materials and stock are available.
Customized labels, packaging and larger quantities may require additional production time.
12-Month Warranty
A 12-month supplier warranty is available for qualified manufacturing defects.
Warranty conditions should be confirmed before bulk production.
Global Shipping
Available shipping methods include DHL, UPS, air freight, sea freight, railway freight and road transportation.
The final logistics method depends on destination, quantity and lithium-battery transportation requirements.
Quick Specifications
| Specification | Details |
|---|---|
| Product Name | iPhone 16 Pro Max High Capacity Battery |
| Compatible Device | Apple iPhone 16 Pro Max |
| Product Type | High Capacity Replacement Battery |
| Battery Chemistry | Li-ion Polymer Battery |
| Capacity | 4800mAh |
| Nominal Voltage | 3.878V |
| Energy | 18.614Wh |
| Charge Limit Voltage | 4.50V |
| Battery Model | EC-iP16ProMax |
| Capacity Positioning | High Capacity |
| Flex Connector | Included |
| Visible Certification Marks | CE, RoHS, PSE |
| 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/ODM | Custom Logo, Label, Barcode and Packaging |
| Export Documents | MSDS, UN38.3, RoHS, CE Subject to Production Batch |
| Express Shipping | DHL / UPS |
| Air Freight | Available |
| Sea Freight | Available |
| Railway Freight | Available |
| Road Transportation | Available |
| Shipping Port | Shenzhen |
Apple's official specifications describe the iPhone 16 Pro Max as using a built-in rechargeable lithium-ion battery and rate it for up to 33 hours of video playback. Apple does not publish an mAh capacity on the standard technical-specification page. citeturn507196search2
What Is an iPhone 16 Pro Max High Capacity Battery?
Product Definition
An iPhone 16 Pro Max high capacity battery is a 4800mAh, 3.878V Li-ion polymer replacement battery designed for professional smartphone repair. ESC is an iPhone battery manufacturer, high capacity battery supplier and OEM battery factory offering strict QC, private labels and bulk supply.
It is an aftermarket replacement component and should not be represented as a genuine Apple service battery.
Key Features
1. 4800mAh High Capacity
The 4800mAh specification positions this product above standard-capacity replacement batteries for the same device family.
Professional buyers should verify the actual measured discharge capacity during sample testing.
2. 18.614Wh Energy Rating
The battery is rated at 18.614Wh based on a 3.878V nominal voltage.
This provides a useful energy reference for capacity verification and supplier comparison.
3. Model-Matched iPhone 16 Pro Max Design
The battery is designed around the iPhone 16 Pro Max internal battery space, flex cable position and connector layout.
4. 4.50V Charge Limit
The battery label specifies a 4.50V charge-limit voltage.
Charging behavior and temperature performance should be verified during sample validation.
5. OEM and Private Label Ready
Custom branding, battery labels, barcodes and packaging are available for repair brands, wholesalers and distributors.
Compatible Models
| Compatible Device | Compatibility |
| iPhone 16 Pro Max | Compatible |
This battery is specifically marked 16ProMax and Not for 16 / 16 Plus / 16 Pro.
It should not be used for the iPhone 16, iPhone 16 Plus or iPhone 16 Pro because these devices use different battery structures and internal layouts.
Applications
Mobile Phone Repair Shops
Suitable for technicians replacing aged, damaged, swollen or low-capacity iPhone 16 Pro Max batteries.
Smartphone Refurbishment Facilities
Supports refurbishment businesses looking for a higher-capacity replacement option for resale devices.
Repair Chain Stores
Centralized sourcing helps multi-location repair chains standardize battery specifications and inventory.
Mobile Phone Parts Wholesalers
Suitable for wholesalers supplying replacement batteries to independent repair shops and regional distributors.
High Capacity Battery Distributors
The 4800mAh positioning provides a differentiated SKU for businesses specializing in high-capacity replacement battery ranges.
Private Label Battery Brands
Custom labels, logos, packaging and barcode systems allow independent brands to create their own high-capacity battery series.
E-Commerce Battery Sellers
Clear capacity, voltage, energy and compatibility information helps online sellers create accurate product listings.
ESC High Capacity Battery vs Original iPhone 16 Pro Max Battery
| Comparison Item | ESC High Capacity Battery | Original iPhone 16 Pro Max Battery |
| Product Type | Aftermarket High Capacity Replacement | Factory-Installed / Genuine Service Battery |
| Compatible Device | iPhone 16 Pro Max | iPhone 16 Pro Max |
| Battery Chemistry | Li-ion Polymer | Built-In Rechargeable Lithium-Ion |
| Capacity | 4800mAh | Apple Does Not Publish mAh on Public Tech Specs |
| Nominal Voltage | 3.878V | Original Model-Specific Specification |
| Energy | 18.614Wh | Original Model-Specific Specification |
| Charge Limit Voltage | 4.50V | Managed by Original Battery and Charging System |
| Capacity Positioning | High Capacity | Original Factory Specification |
| Flex Connector | Replacement Model-Specific Flex | Original Factory Flex |
| Primary Application | Repair / Refurbishment / Replacement | Factory Installation / Genuine Service |
| Capacity Verification | Recommended During Sample Approval | Original Production Specification |
| OEM Branding | Available | Not Available |
| Private Packaging | Available | Not Available |
| Wholesale Supply | Available | Controlled Service Supply Chain |
| MOQ | Flexible B2B Supply | Not Open General Wholesale |
| Warranty | 12-Month Supplier Warranty | Subject to Apple Service Terms |
| Target Customers | Repairers, Refurbishers, Wholesalers, Distributors | Consumers and Official Repair Channels |
Apple states that the iPhone 16 Pro Max uses a built-in rechargeable lithium-ion battery and supports up to 33 hours of video playback, but its public technical specifications do not provide an mAh capacity figure. citeturn507196search2
For professional supplier comparison, a higher printed mAh value alone is not sufficient. Buyers should compare measured capacity, usable energy, thickness, weight, internal resistance, temperature rise and device fit.
High Capacity Battery Validation
Actual Capacity Testing
Use professional battery analyzers to confirm that measured discharge capacity meets the approved 4800mAh specification.
Thickness Inspection
Higher-capacity batteries must remain within the mechanical space available inside the phone.
Inspect battery thickness at multiple points and compare the result with the approved sample.
Weight Comparison
Battery weight can provide an additional reference when validating whether the stated capacity is physically credible.
Voltage and Energy Verification
The product specifications can be cross-checked:
4800mAh × 3.878V ≈ 18.61Wh.
This is consistent with the printed 18.614Wh rating.
Temperature Testing
Monitor battery temperature during charging, sustained discharge and device operation.
A capacity increase should not come at the expense of excessive temperature rise.
Flex and Connector Inspection
Check:
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Flex orientation
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Connector position
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Contact surfaces
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Cable length
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Electrical continuity
Charging and Discharging Test
Evaluate:
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Charging stability
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Discharge capacity
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Voltage curve
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Shutdown voltage
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Temperature
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Self-discharge
Aging Test
Aging testing helps identify unstable cells and abnormal self-discharge before wholesale shipment.
OEM and Private Label Service
Custom High Capacity Labels
Customized labels can include:
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Brand logo
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High Capacity series name
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4800mAh capacity
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Voltage
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Wh rating
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Barcode
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Batch number
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Traceability information
Private Packaging
Custom retail boxes can be created for wholesalers, distributors and independent battery brands.
High Capacity Series Branding
Buyers can develop a unified high-capacity product series across multiple iPhone models using consistent label and packaging design.
Barcode and SKU Management
Dedicated SKU and barcode systems help distributors distinguish high-capacity versions from standard-capacity battery products.
Mixed-Model Orders
Professional buyers can combine iPhone 16 Pro Max high-capacity batteries with other high-capacity iPhone battery models according to mixed-order requirements.
FAQ
1. What is the capacity of the iPhone 16 Pro Max high capacity battery?
The battery shown is rated at 4800mAh.
It is specifically positioned as a high-capacity replacement battery for the iPhone 16 Pro Max.
2. What are the voltage and energy specifications?
The battery is rated at 3.878V nominal voltage and 18.614Wh energy.
The two values are consistent with the 4800mAh printed capacity.
3. Is this battery compatible with iPhone 16 Pro Max?
Yes.
The product is specifically marked for the iPhone 16 Pro Max.
4. Can this battery be used for iPhone 16, 16 Plus or 16 Pro?
No.
The battery label explicitly states that it is not intended for the iPhone 16, iPhone 16 Plus or iPhone 16 Pro.
5. What does High Capacity mean?
High Capacity means the replacement battery is designed with a higher stated capacity than a standard replacement configuration for the same device.
Actual capacity should always be verified through controlled discharge testing.
6. Will a 4800mAh battery provide longer runtime?
A higher measured usable capacity can provide longer runtime under similar conditions.
Actual runtime depends on device condition, screen usage, network activity, software, temperature and battery quality.
7. Is this an original Apple battery?
No.
This is an aftermarket high-capacity replacement battery for professional repair and refurbishment markets.
8. What is the MOQ for wholesale orders?
The standard MOQ is 20 pieces for one model, while mixed-model orders can start from 100 pieces.
Final quantities depend on packaging and customization requirements.
9. Can ESC customize the High Capacity series?
Yes.
ESC supports custom logos, high-capacity battery labels, barcodes, private packaging and export-carton customization for B2B customers.
10. What warranty and shipping options are available?
A 12-month warranty is available for qualified manufacturing defects.
Available shipping methods include DHL, UPS, air freight, sea freight, railway freight and road transportation. Final logistics arrangements depend on destination, order quantity and lithium-battery shipping requirements.
