Home/Products/iPad Replacement Battery/iPad Pro 12.9 A2043 Replacement Battery 9720mAh Li-ion Polymer Battery Supplier

Professional iPad Pro 12.9 A2043 replacement battery supplier providing 9720mAh lithium polymer batteries with stable performance, OEM customization, and wholesale supply solutions for repair shops and distributors.

iPad Pro 12.9 A2043 Replacement Battery 9720mAh Li-ion Polymer Battery Supplier

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Why Choose Us

Why Choose Our iPad Pro 12.9 A2043 Replacement Battery?

We are a professional lithium battery supplier and OEM replacement battery manufacturer specializing in high-quality tablet batteries.

Our iPad Pro 12.9 A2043 replacement battery is designed with:

Stable lithium polymer battery technology
Accurate device compatibility
Strict production quality control
Reliable battery performance
OEM and bulk supply capability

We support repair companies, wholesalers, distributors, and electronic service providers with reliable tablet replacement battery solutions.

Quick Specifications

Specification	Details
Battery Type	Li-ion Polymer Battery
Compatible Model	iPad Pro 12.9 3rd Gen / 4th Gen
Battery Model	A2043
Capacity	9720mAh
Voltage	3.77V
Energy	Approx. 36.6Wh
Battery Supplier Type	OEM Replacement Battery Manufacturer
Application	Tablet Device Battery Replacement
MOQ	Contact Supplier
Shipping Method	Air Shipping / Express / Sea Shipping Available

Product Definition: What Is (≤400 Characters)

The iPad Pro 12.9 A2043 replacement battery is a high-capacity lithium polymer battery designed for iPad Pro 12.9-inch 3rd and 4th generation tablets. With a 9720mAh capacity, this replacement battery provides stable power output and reliable performance for device restoration. As an experienced lithium battery supplier and OEM replacement battery manufacturer, we provide professional battery solutions for repair businesses, distributors, and bulk buyers.

Key Features

1. High Capacity 9720mAh Battery

Provides extended operating time and reliable power supply for iPad Pro 12.9 devices.

2. Accurate A2043 Compatibility

Designed specifically for iPad Pro 12.9 3rd and 4th generation models.

3. Premium Lithium Polymer Technology

Ensures lightweight design, stable discharge performance, and long service life.

4. OEM Manufacturing Capability

Supports wholesale supply, customization, and bulk battery sourcing.

5. Reliable Safety Protection

Built with battery protection technology to improve operational safety and stability.

Compatible Models

Device Model	Compatibility
iPad Pro 12.9 3rd Generation	Compatible
iPad Pro 12.9 4th Generation	Compatible

Applications

Tablet Repair & Replacement

The iPad Pro 12.9 A2043 replacement battery is widely used for tablet repair services, electronic maintenance centers, refurbishment companies, and replacement battery distributors.

Wholesale Battery Supply

Suitable for global wholesalers, repair chains, and electronic accessory suppliers requiring stable tablet battery inventory.

OEM Battery Solutions

Provides a reliable battery supply option for businesses requiring professional lithium battery sourcing and replacement solutions.

Replacement Battery vs Original Battery Comparison

Comparison Item	Original Battery	A2043 Replacement Battery
Battery Type	Lithium Polymer	Lithium Polymer
Compatibility	iPad Pro 12.9 Original Device	Designed for iPad Pro 12.9 3rd/4th Gen
Capacity	Approx. 9720mAh	9720mAh
Application	Factory Installed Battery	Professional Replacement Solution
Supply Availability	Limited by Original Supply Chain	Available from Battery Supplier
Business Use	Individual Device Production	Repair, Wholesale, Distribution
Custom Supply	Limited	OEM Support Available
Procurement	Original Channel	Direct Battery Manufacturer Supply

Customer FAQ

1. What models are compatible with this iPad Pro 12.9 replacement battery?

This A2043 replacement battery is compatible with iPad Pro 12.9-inch 3rd generation and 4th generation models.

2. What is the capacity of the iPad Pro 12.9 A2043 battery?

The battery capacity is 9720mAh, designed to provide stable and long-lasting power performance.

3. Is this an original Apple battery?

This is a professional replacement battery manufactured for device repair and replacement applications, not an original Apple-branded battery.

4. Can I purchase this battery in bulk?

Yes. We provide wholesale and bulk supply services for repair companies, distributors, and electronic accessory businesses.

5. Are you a battery manufacturer or reseller?

We are a professional lithium battery supplier providing OEM replacement battery solutions.

6. Can you provide OEM battery customization?

Yes. We support customized battery solutions including capacity, structure, connector, and packaging requirements.

7. What quality tests are performed before shipment?

Battery products undergo production inspection and performance testing to ensure reliability before delivery.

8. What shipping methods are available?

We support international shipping solutions including express delivery, air transportation, and sea transportation according to customer requirements.

9. How long can the replacement battery last?

Battery lifespan depends on usage conditions, charging habits, and device environment. Proper charging and operation help extend battery service life.

10. Who can purchase this A2043 replacement battery?

This battery is suitable for tablet repair shops, wholesalers, distributors, refurbishment companies, and electronic service providers worldwide.

Our Factory

Since 2016, ESC has served B2B buyers with replacement batteries and charging products. We offer 3,000+ models for iPhone, Android phones, tablets and laptops, with flexible MOQs, lead times within seven days and a customer-reported defect rate below 1%. Since 2022, we have developed private-mold fast-charging power banks with broad protocol compatibility and thermal control. ESC supports brands, wholesalers, refurbishers and repair chains with OEM/ODM, certification and production services.

Our Certificates

OEM & ODM Battery Order Process

01
Customer Inquiry & Requirement Confirmation
Confirm battery models, capacity, quantity, target market, certification and customization requirements.
02
Quotation
Provide a detailed quotation based on product specifications, order quantity, packaging and delivery requirements.
03
Customization Details Confirmation
Confirm customized labels, barcodes, silk-screen artwork, logo printing, packaging and other branding details.
04
Order Confirmation
Finalize product specifications, quantities, unit prices, payment terms, delivery schedule and shipping method.
05
Deposit Payment
The customer pays the agreed deposit so that materials and production can be arranged.
06
Production Arrangement
Arrange material preparation, battery assembly, quality inspection, aging tests, packaging and order completion.
07
Balance Payment
The customer pays the remaining balance after production is completed and the order details are confirmed.
08
Shipment
Arrange shipment by an approved air, sea, railway or express channel according to the destination and order requirements.
09
Delivery & Receipt Follow-Up
Provide shipping documents and tracking information, and follow up until the customer receives the goods.
10
24/7 After-Sales Support
Provide responsive technical assistance, quality-issue analysis and after-sales solutions after delivery.

How to Choose a Reliable Replacement Battery Supplier

Evaluate cell quality, testing capability, assembly details, production consistency and installation support before purchasing smartphone, tablet or laptop replacement batteries.

Verify Battery Model Coverage and Compatibility

Choose a supplier with broad coverage for smartphone, tablet and laptop batteries. Confirm the original battery code, device model, connector position, dimensions, rated voltage and system compatibility before ordering.

A supplier with an established model database can reduce incorrect shipments, installation problems and compatibility-related returns.

Check the Quality of Cells and Electronic Components

Battery quality starts with the raw materials. Ask the supplier about:

Battery-cell manufacturer and grade
Actual cell capacity
Cell cycle life
PCB and protection-chip solution
Connector and flex-cable quality
Traceability of key components

Reliable suppliers should use graded cells rather than selecting components only by the lowest price.

Review Incoming Material Inspection and Cell Grading

Cells should be tested and grouped according to:

Capacity
Voltage
Internal resistance
Self-discharge
Thickness and dimensions
Appearance

Proper cell grading improves consistency between batteries from the same production batch and reduces abnormal runtime, swelling and early failure.

Require Complete Electrical and Compatibility Testing

A professional supplier should test more than the open-circuit voltage. Quality verification should include:

Charging and discharging performance
Actual capacity
Battery current
Protection functions
Cycle count and battery data
Fuel-gauge parameters
Device compatibility
Temperature performance

Professional battery testers can perform charging, discharging, current calibration and precise parameter comparison, helping identify batteries whose measured data does not match the approved specification.

Evaluate Automation and Production Consistency

Automated production processes normally provide better consistency and higher capacity than heavily manual assembly.

Important processes may include:

Automatic cell sorting
Automatic welding
Automatic PCB testing
Automatic adhesive application
Barcode traceability
In-line functional inspection

Automation does not replace quality control, but it helps reduce variation caused by manual positioning, welding and assembly.

Inspect Assembly Details

Small assembly details have a major effect on installation efficiency and product reliability.

A well-finished battery should include:

Pre-applied battery adhesive
Dust-proof protective film
Protective sleeve around the flex cable
Fixed flex-cable position
Stable connector orientation
No loose or moving battery cable
Clean edges and accurate dimensions

These details reduce flex-cable damage, dust contamination, installation movement and incorrect connector alignment.

Confirm In-Process and Final Quality Inspection

The supplier should conduct inspection throughout production rather than checking only finished goods.

Recommended checkpoints include:

Incoming material inspection
Cell grading
PCB and BMS testing
Welding inspection
Assembly inspection
Capacity testing
Aging testing
Appearance inspection
Packaging inspection
Final random inspection

Ask whether inspection data can be traced back to the production batch.

Compare Capacity Claims, Defect Rate and Certification

Do not select batteries based only on the highest printed capacity.

A credible supplier should provide:

Tested capacity data
Clear rated voltage and energy
Customer-reported defect rate
Warranty policy
CE, RoHS, FCC, MSDS and UN38.3 documentation where applicable
Model-specific certification support

Exaggerated capacity labels without matching cell space, weight and test data are a significant purchasing risk.

Follow Correct Battery Installation Procedures

Even a qualified battery can fail if it is installed incorrectly.

Before installation:

Discharge the original battery below 25%
Power off the device
Use non-metallic opening tools
Disconnect the battery before handling other internal components
Avoid puncturing, bending or crushing the cell
Remove the protective film from the adhesive correctly
Align the battery and connector before pressing it into place
Confirm that the flex cable is not folded, stretched or trapped
Reinstall screws and brackets in their original positions
Test charging, battery recognition and device functions before final sealing

The installation guide specifically warns that a charged lithium-ion battery may catch fire or explode if punctured, and instructs technicians to power off the phone before disassembly.

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