Haisic iPhone XS Max Battery 3500mAh High Capacity Replacement

Strict Compatibility Notice

Is This Battery Right For Your Phone?

Tired of your screen going dark by noon? We know exactly how frustrating sudden battery drain can be. Before you upgrade your device with a new Haisic iPhone XS MAX battery, let’s make sure it is the exact match for your hardware. Buying the wrong size is a hassle no one has time for. We built the HS-iPXS Max lithium-ion polymer battery to fit one specific device perfectly, ensuring a seamless fit and safe power delivery.

Supported Models

This premium replacement is exclusively engineered for the iPhone XS Max. Please verify your phone’s model number before checking out to guarantee a flawless installation.

• Perfect Fit: iPhone XS Max
• Compatible Model Numbers: A1921, A2101, A2102, A2104
• Strictly NOT Compatible With: iPhone X, iPhone XS, iPhone XR, or iPhone 11 series

If you need a precise Apple A1921 A2101 battery replacement, you are in the right place. Just head into your iOS Settings (Settings > General > About > Model Number) to confirm your exact model before replacing your battery.

Core Value Proposition & Key Features

Restore Your iPhone’s Peak Performance

Don’t let a dying battery slow you down. Our Haisic iPhone XS Max battery is engineered to bring your device back to life and fix iPhone XS Max battery drain for good. As a dedicated manufacturer with deep technical expertise that spans from mobile power up to comprehensive battery energy storage solutions, we know how to deliver reliable, continuous power. We guarantee a seamless fit and optimal performance for your Apple A1921 A2101 battery replacement needs.

True High Capacity & Zero-Cycle

We skip the gimmicks and give you actual, measurable power. Every HS-iPXS Max lithium-ion polymer battery ships fresh from our production line.

• 3500mAh High Capacity iPhone Battery: Enjoy significantly more hours of active screen time and reliable standby power.
• Zero Cycle iPhone Battery Replacement: You get 100% brand new cells. Zero prior charge cycles means absolutely no hidden degradation.

Advanced Safety (BMS) & Health Restoration

Safety and system optimization are built right into the hardware. We equip every unit with an advanced Battery Management System (BMS) chip to actively protect your phone against overcharging, overheating, and short circuits.

• OEM Grade iPhone XS Max Battery: Matches strict factory quality standards for a flawless, safe integration with your hardware.
• iPhone XS Max Battery Health 100%: Instantly restore your system’s battery health reading back to its maximum capacity upon installation.

Feature Breakdown

Technical Specifications

Product Specifications (Model: HS-iPXS Max)

We engineered the Haisic iPhone XS MAX battery to deliver safe, stable, and long-lasting power. Our HS-iPXS Max lithium-ion polymer battery operates as a premium 3500mAh high capacity iPhone battery, strictly following industry-leading safety and performance standards.

• Precision Hardware: Designed as a reliable 3.8V iPhone replacement battery for flawless device integration.
• Certified Safety: Built as a GB 31241-2022 certified phone battery to strictly prevent overcharging, short-circuiting, and overheating.
• Direct Manufacturing: Produced directly by us at Shenzhen Haisic Technology Co., Ltd., guaranteeing strict quality control from the factory floor straight to your device.

Haisic iPhone XS Max Battery Box Contents

When you order a Haisic iPhone XS Max battery, we deliver a complete package built for a smooth, hassle-free replacement. Leveraging our expertise as a leading energy storage system manufacturer, we ensure every shipment contains reliable, safe, and precise components to get your device running like new.

Itemized List

Here is exactly what you will find inside your package:

• 1x HS-iPXS Max lithium-ion polymer battery: Our core 3500mAh OEM-grade replacement unit, fully certified to GB 31241-2022 standards.
• 1x iPhone XS Max battery adhesive kit: Pre-cut, strong double-sided strips to secure the battery safely inside the housing.
• 1x Waterproof Display Seal: Essential for restoring your device’s water and dust resistance after sealing it back up.
• 1x Standard Repair Tool Kit: Everything required to safely open the phone, including a Pentalobe screwdriver, Tri-point screwdriver, spudger, plastic pry tools, and a suction cup.

Optional Add-ons

If you run a repair business or simply prefer upgraded gear, you can customize your order by adding these items:

• Premium Magnetic Tool Set: Heavy-duty, anti-slip screwdrivers designed for precise, professional-level repairs.
• Bulk Adhesive Sets: Extra battery pull-tabs and screen seals, perfect for high-volume wholesale mobile repair jobs or keeping backups on hand.

B2B & Wholesale Supply Solutions

Partner with a Leading Battery Manufacturer

If you run a mobile repair shop or a distribution network, finding consistent, high-quality components is critical. We operate as a direct B2B iPhone battery manufacturer in Shenzhen, allowing you to bypass middlemen and source premium products straight from the factory. At Shenzhen Haisic Technology Co., Ltd., we take pride in being a dependable Haisic mobile phone battery supplier. Our engineering expertise ensures strict quality control across all our product lines, from the Haisic iPhone XS MAX battery to our advanced battery for home energy storage systems.

B2B Perks

Stocking up on wholesale iPhone repair parts should be simple, predictable, and profitable for your business. When you partner with us for your OEM grade iPhone XS Max battery supply, you unlock several core advantages:

• Factory-Direct Pricing: Significantly improve your repair margins by accessing our competitive wholesale rates.
• Stable Inventory: Never miss a repair job. We guarantee a steady supply of the 3500mAh high capacity iPhone battery so your shelves stay stocked.
• Certified Reliability: Every batch strictly adheres to GB 31241-2022 standards, drastically reducing defect rates and ensuring your customers walk away satisfied.
• Dedicated Account Support: Get fast, direct assistance from our B2B team for bulk orders, shipping logistics, and technical inquiries.

Installation Resources & Support

How to Replace Your iPhone XS Max Battery

Swapping out a degraded cell for our HS-iPXS Max lithium-ion polymer battery is a straightforward process when you have the right guidance. Whether you are tackling an Apple A1921 A2101 battery replacement at home or stocking up as a repair tech, a clean installation is the best way to fix your iPhone XS Max battery drain.

Here is how we recommend approaching the repair:

• Prep Your Workspace: Ensure you are in a clean, well-lit, and static-free environment.
• Use the Right Gear: Always utilize the proper iPhone XS Max battery adhesive kit to securely mount the new cell. Avoid using excessive force.
• Step-by-Step Swap: Carefully heat the screen edges, lift the display assembly, disconnect the old power unit, and connect your new 3.8V iPhone replacement battery.

As a dedicated manufacturer, we apply the exact same strict quality controls to our mobile parts as we do to our advanced big battery storage systems. This ensures every reliable third-party iPhone battery we supply performs safely and efficiently right out of the box.

Pro Tip

To get the most out of your OEM grade iPhone XS Max battery, you must calibrate it immediately after installation. Charge your new zero cycle iPhone battery replacement to 100% and leave it plugged in for at least two additional hours. Next, use your phone normally until it completely dies and shuts down. ly, charge it uninterrupted back to 100%. This simple calibration ensures your phone’s software accurately reads the new capacity.

Frequently Asked Questions

How do I calibrate my new Haisic iPhone XS MAX battery?

To get the most out of your new HS-iPXS Max lithium-ion polymer battery, we highly recommend a quick calibration cycle after installation. Charge your phone to 100% and leave it plugged in for an extra 2 hours. Next, use your phone normally until the battery drains completely and the device shuts down. ly, charge it uninterrupted back to 100%. This straightforward process ensures your device properly reads the new 3500mAh high capacity iPhone battery.

Will my phone show 100% battery health after installation?

Because Apple pairs the original battery microchip to the phone’s motherboard, iOS may display an “Important Battery Message” and stop showing the battery health percentage. This is completely standard for any reliable third-party iPhone battery. Even without the software reading, your device will fully benefit from the raw power and maximum lifespan of a true zero cycle iPhone battery replacement.

Is this battery safe and certified?

Yes. Safety is our top priority. Our 3.8V iPhone replacement battery strictly complies with the GB 31241-2022 certified phone battery standard. It features an advanced internal Battery Management System (BMS) to protect against overheating, short-circuiting, and overcharging. We apply the exact same rigorous testing protocols to our mobile components as we do when manufacturing larger energy storage solutions, such as our high-performance 48 volt battery lithium systems.

Do you offer wholesale pricing for mobile repair businesses?

Absolutely. As a premier B2B iPhone battery manufacturer in Shenzhen, we directly supply repair shops, distributors, and mobile technicians globally. Whether you need a steady stream of Apple A1921 A2101 battery replacement units or bulk wholesale iPhone repair parts, we provide competitive tiered pricing, reliable inventory, and direct factory support to help scale your repair business.