Why Choose iPhone 11 Pro Max Replacement Battery?
Professional OEM Smartphone Battery Manufacturer
ESC is a professional lithium battery manufacturer specializing in smartphone replacement batteries. We provide reliable iPhone 11 Pro Max battery solutions for repair shops, wholesalers, refurbishment companies, distributors, and private label brands worldwide.
Factory Direct Battery Supply
Direct factory supply helps customers obtain competitive wholesale pricing, stable production capacity, flexible MOQ, and consistent battery quality for long-term business cooperation.
Premium Li-ion Polymer Battery Cells
Selected lithium-ion polymer cells provide stable voltage output, reliable cycle performance, and excellent safety performance for professional replacement applications.
Strict Quality Control
Every battery undergoes capacity testing, voltage inspection, charging performance testing, appearance inspection, and safety verification before shipment.
OEM & ODM Customization Service
ESC supports customized packaging, private labels, branding solutions, and bulk battery production for global distributors, repair chains, and mobile accessory companies.
Global Export Capability
Provide worldwide shipping solutions with export support documents including CE, MSDS, and UN38.3 certification according to customer requirements.
Quick Specifications
| Item | Specification |
|---|---|
| Compatible Model | iPhone 11 Pro Max |
| Battery Type | Li-ion Polymer Battery |
| Capacity | 3969mAh |
| Nominal Voltage | 3.79V |
| Energy | 15.04Wh |
| Battery Condition | Brand New Replacement Battery |
| Cell Type | Lithium-ion Polymer Cell |
| Quality Control | Capacity Test / Voltage Test / Safety Inspection |
| Defect Rate | ≤1% |
| Warranty | 12 Months |
| Certification | CE / MSDS / UN38.3 |
| MOQ | Negotiable |
| Lead Time | 7-15 Working Days |
| Shipping Method | Express / Air Freight / Sea Freight |
What Is iPhone 11 Pro Max Replacement Battery?
The iPhone 11 Pro Max Replacement Battery is a high-quality Li-ion polymer battery designed for professional smartphone repair and replacement applications. With a 3969mAh capacity and stable power output, it provides a reliable replacement solution for aging or damaged iPhone 11 Pro Max batteries. ESC offers factory direct battery supply, OEM customization, strict quality control, and wholesale battery solutions for repair businesses, distributors, and private label customers.
Key Features
1. Stable 3969mAh Battery Performance
Designed according to iPhone 11 Pro Max battery specifications, providing reliable power output and stable daily performance.
2. Premium Lithium-ion Polymer Cells
Uses high-quality Li-ion polymer cells with stable voltage output, low internal resistance, and reliable cycle life.
3. Professional Replacement Solution
Ideal for smartphone repair shops, refurbishment companies, technicians, and aftermarket battery suppliers.
4. Factory Quality Testing
Each battery is tested for capacity, voltage, charging performance, appearance, and safety before shipment.
5. OEM Wholesale Supply
Supports bulk orders, customized packaging, private labeling, and long-term battery supply cooperation.
Compatible Models
| Device Model | Battery Model | Compatibility |
|---|---|---|
| iPhone 11 Pro Max | A2218 | Compatible |
| iPhone 11 Pro Max | A2161 | Compatible |
| iPhone 11 Pro Max | A2220 | Compatible |
Applications
Smartphone Repair & Replacement Market
The iPhone 11 Pro Max replacement battery is designed for professional repair technicians, mobile phone repair shops, refurbishment companies, and service providers requiring reliable battery replacement solutions.
Wholesale Battery Distribution
Suitable for battery wholesalers, electronics distributors, online retailers, and aftermarket spare parts suppliers seeking factory direct smartphone battery supply.
OEM & Private Label Business
ESC provides OEM packaging, private branding, customized solutions, and bulk production services for mobile accessory brands and battery distributors.
Original Battery vs ESC Replacement Battery Comparison
| Feature | Original Battery | ESC Replacement Battery |
|---|---|---|
| Battery Type | Li-ion Polymer Battery | Li-ion Polymer Battery |
| Compatible Model | iPhone 11 Pro Max | iPhone 11 Pro Max |
| Capacity | 3969mAh | 3969mAh |
| Voltage | 3.79V | 3.79V |
| Application | Factory Installed Device | Professional Repair Replacement |
| Supply Source | Original Device Supply Chain | Factory Direct Manufacturer |
| Wholesale Availability | Limited | Available |
| OEM Packaging | Not Supported | Supported |
| Private Label | Not Available | Supported |
| Quality Testing | Manufacturer Standard | 100% Functional Testing |
| Warranty | Limited Manufacturer Policy | 12 Months |
| Custom Solution | Limited | OEM/ODM Available |
FAQ
1. Is this iPhone 11 Pro Max replacement battery compatible with the original device?
Yes. This replacement battery is designed specifically for iPhone 11 Pro Max repair applications and matches the original battery size and specifications.
2. What is the capacity of the iPhone 11 Pro Max replacement battery?
The battery capacity is 3969mAh with a nominal voltage of 3.79V and energy of 15.04Wh.
3. Is this an original Apple battery?
No. This is a high-quality aftermarket replacement battery manufactured for professional repair, refurbishment, and wholesale markets.
4. What type of battery cells are used?
The battery uses premium lithium-ion polymer cells to provide stable performance, safety, and reliable cycle life.
5. Is this battery suitable for smartphone repair shops?
Yes. It is designed for repair shops, refurbishment companies, technicians, distributors, and aftermarket battery suppliers.
6. Do you provide OEM packaging and private label services?
Yes. ESC supports OEM packaging, customized labels, private branding, and bulk battery solutions for global customers.
7. How do you ensure battery quality before shipment?
Each battery undergoes capacity testing, voltage testing, charging inspection, appearance inspection, and safety verification before delivery.
8. What certifications are available for this battery?
CE, MSDS, and UN38.3 certification documents are available according to customer requirements.
9. What is the warranty period for this replacement battery?
ESC provides a 12-month warranty covering manufacturing defects and quality-related issues.
10. Do you support worldwide shipping for wholesale orders?
Yes. ESC provides global shipping solutions through express delivery, air freight, and sea freight for international customers.
















