Haisic iPhone 11 Pro Max Battery 4700mAh High Capacity OEM

Are your repair shop customers constantly complaining about their phones dying halfway through the day? As a repair business, you need replacement parts that eliminate customer comebacks and build trust. We designed our Haisic iPhone 11 Pro Max battery specifically to solve this problem, giving you a reliable edge in the aftermarket repair industry.

Core Advantages & Upgrades

We engineer our batteries to meet the high demands of the global B2B mobile phone parts market. When you stock our products, you are providing genuine, long-lasting value to your end-users.

High Capacity iPhone 11 Pro Max Battery 4700mAh

Standard replacements just do not cut it anymore for heavy users. We upgraded our HS-iP11ProMax battery cell to deliver serious, reliable power:

• 4700mAh Rated Capacity: Extends daily screen time significantly compared to standard stock batteries.
• 17.82Wh Rated Energy: Ensures consistent, sustained power delivery without unexpected voltage drops.
• Reduced Charging Frequency: A higher capacity means your customers charge their phones less often, naturally extending the overall life of the battery.

iPhone Battery With Original BMS IC

Performance relies on smart power management. We integrate premium hardware so our aftermarket iPhone 11 Pro Max battery pack communicates flawlessly with the device.

• Smart Battery Management System (BMS): Actively protects the phone against overcharging, deep discharging, and overheating.
• Premium IC Chip: Ensures highly stable voltage (3.79V nominal) and optimized power conversion.

Zero Cycle iPhone 11 Pro Max Battery

We stand by the quality of our manufacturing process. Every Haisic lithium-polymer phone battery undergoes rigorous factory testing before it ever reaches your inventory.

• 100% Brand New Cells: We provide an absolute zero cycle guarantee on every unit.
• Strict Factory Testing: Each battery is individually verified for exact capacity and safety standards before shipping.
• Maximum Lifespan: Ready to deliver peak performance and longevity straight out of the box.

3.79V 17.82Wh iPhone Battery Specifications

We manufacture our aftermarket iPhone 11 Pro Max battery pack to meet exact industry standards. If you are sourcing an Apple A2218 A2161 battery replacement, the HS-iP11ProMax battery cell is engineered for a precise fit, safe operation, and consistent daily performance.

Here is the exact technical breakdown of our high-capacity Haisic iPhone 11 Pro Max battery:

Core Operating Metrics

• Battery Type: We use a high-density Haisic lithium-polymer phone battery structure to ensure stable, reliable power output without swelling.
• Cycle Life: Built for heavy daily use, maintaining optimal capacity retention and peak performance over hundreds of complete charge cycles.
• Operating Temperature: Safely operates across standard temperature ranges, preventing rapid power drainage in extreme cold and avoiding thermal issues in high heat.

Haisic iPhone 11 Pro Max Battery Safety Standards

When you source an aftermarket iPhone 11 Pro Max battery pack, safety is non-negotiable. We build every Haisic iPhone 11 Pro Max battery with strict safety protocols to protect both the device and the end-user. Drawing from our rigorous production standards as an established import energy storage system manufacturer, we bring industrial-grade quality control directly to mobile repair parts.

Multi-Layer IC Protection

Our built-in battery management system provides a comprehensive defense against common electrical failures:

• Overcharge & Over-discharge Defense: Automatically stops drawing power when full to prevent cell degradation and swelling.
• Short Circuit Prevention: Instantly cuts the circuit if voltage abnormalities occur.
• Thermal Control: Continuously monitors temperature to guard against overheating during heavy device usage.

Global Certifications & Strict QC

We stand firmly behind the reliability of our products. Every batch undergoes exhaustive factory testing before it reaches our wholesale distributors and repair shops.

• Certified Safe: Fully compliant with ISO9001, CE, FCC, RoHS, MSDS, and UN38.3 standards, ensuring secure air transport and global market compliance.
• Defect Rate Guarantee: We run intensive quality control (QC) checks on every single 3.79V 17.82Wh iPhone battery cell. This strict factory testing guarantees a consistently low defect rate and a reliable replacement for every customer.

Haisic Manufacturing Strength

We are Shenzhen Haisic Technology Co., Ltd., your reliable B2B mobile phone battery supplier and a premier Shenzhen phone battery factory. We engineer the Haisic iPhone 11 Pro Max battery on the same rigorous foundation of quality that drives our large-scale China energy storage system projects. By controlling the entire manufacturing process, we bring industrial-grade reliability and top-tier performance directly to the global mobile repair market.

Wholesale Pricing & Distribution

We support repair shops, retailers, and enterprise businesses worldwide with direct-from-factory logistics and pricing.

• Factory-Direct Rates: Highly competitive pricing for iPhone 11 Pro Max replacement battery wholesale orders.
• Flexible MOQs: Scalable minimum order quantities designed to accommodate any iPhone repair parts wholesale distributor, from growing shops to massive retail chains.
• Global Distribution: Streamlined, secure shipping networks to ensure your inventory arrives on time, anywhere in the world.

Custom OEM Mobile Phone Batteries

If you want to build your own brand, we have the infrastructure to make it happen. As a leading OEM iPhone battery manufacturer China, we offer complete OEM and ODM customization for our global B2B clients.

• Private Labeling: Custom brand printing directly on the battery cell and flex cables.
• Tailored Packaging: Fully customized, retail-ready box designs that fit your brand identity.
• Dedicated R&D: Engineering support to adjust specifications or develop entirely new custom battery lines for your local market.

Frequently Asked Questions (FAQ)

As a trusted B2B mobile phone battery supplier, we know our global wholesale partners need clear, direct answers. Here are the most common questions we receive regarding the Haisic iphone 11promax battery.

Does it trigger the iOS “Important Battery Message”?

If installed directly, iOS will display the standard battery message. However, the device will still fully utilize the high capacity iPhone 11 Pro Max battery 4700mAh performance. To bypass the pop-up entirely, technicians can easily spot-weld the original Apple A2218 A2161 BMS flex cable directly onto our HS-iP11ProMax battery cell.

What is the MOQ for custom OEM packaging?

We make it easy to build your brand. As a premier OEM iPhone battery manufacturer China, our Minimum Order Quantity (MOQ) for fully customized OEM packaging and branded labels starts at just 500 units.

Are these batteries safe for air transport?

Absolutely. Every aftermarket iPhone 11 Pro Max battery pack is rigorously tested and globally certified. We provide complete UN38.3 and MSDS documentation, guaranteeing safe, hassle-free international air and sea freight logistics.

What is the warranty period for wholesale orders?

We back our manufacturing quality completely. Because we are a direct Shenzhen phone battery factory, every zero cycle iPhone 11 Pro Max battery we ship comes with a solid 12-month warranty covering any factory defects, ensuring total peace of mind for your retail customers.