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iPad Pro 12.9-Inch 3rd/4th Gen Battery A2043 9720mAh
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The ESC A2043 is a 9720mAh replacement battery developed for compatible iPad Pro 12.9-inch 3rd generation 2018 and 4th generation 2020 models. As an iPad Pro 12.9 battery supplier and OEM iPad battery manufacturer, ESC supports repair centers, refurbishment companies, wholesalers, distributors and private-label battery brands.

The A2043 battery platform is technically referenced at 3.76V and 9720mAh, while Apple publishes a 36.71Wh built-in battery specification for both device generations. Each production batch is checked according to the applicable product specification for capacity, voltage, internal resistance, connector configuration and physical compatibility.

ESC supports samples, mixed-model wholesale orders, customized battery labels and OEM packaging. Please confirm the exact iPad model number and original battery configuration before ordering.






Description
Quality Management Flowchart
Privacy Policy

Why Choose ESC

Professional iPad Replacement Battery Supplier

ESC supplies replacement iPad batteries for professional repair, refurbishment and wholesale programs. Product matching is based on the exact device generation, device model number, battery reference, electrical specification and physical configuration.

OEM iPad Battery Manufacturer Support

As an OEM iPad battery manufacturer, ESC supports customized battery labels, barcode labels and private packaging for distributors, wholesalers and private-label replacement-battery brands.

Wholesale and Mixed-Model Supply

ESC supports professional buyers sourcing multiple iPad and tablet battery models in one purchasing program. MOQ is confirmed according to model mix, packaging configuration and current production requirements.

Compatibility-Focused Quality Control

Battery capacity, voltage, internal resistance, connector configuration, battery structure and appearance are checked according to the applicable production and outgoing inspection procedures.

Sample and Export Support

ESC supports sample evaluation, applicable battery documentation, export packaging and battery-compliant logistics solutions according to destination-market and order requirements. The current ESC page states a 12-month warranty and OEM support. Exact certification applicability should be confirmed against the specific A2043 product file.


Quick Specifications

Item

Specification

Product Name

iPad Pro 12.9-Inch 3rd/4th Gen Replacement Battery

Brand

ESC

Battery Model

A2043

Compatible Device Families

iPad Pro 12.9-inch 3rd Gen / 4th Gen

Compatible Years

2018 / 2020

Compatible Device Models

A1876 / A2014 / A1895 / A1983 / A2229 / A2069 / A2232 / A2233

Product Type

Compatible Replacement Tablet Battery

Battery Chemistry

Lithium-Polymer / Li-ion Polymer

Technical Voltage Reference

3.76V

Capacity

9720mAh

Calculated Nominal Energy

Approx. 36.55Wh

Apple Published Device Battery Energy

36.71Wh

Battery Management / Protection

Integrated according to final pack configuration

Warranty

12 Months

Sample Availability

Available

MOQ

Confirm according to model mix and packaging requirements

OEM Service

Battery label, barcode and packaging customization

Target Buyers

Repair centers, refurbishers, wholesalers and distributors

The 3.76V / 9720mAh A2043 technical reference comes from a professional repair source. Apple publishes 36.71Wh for both target device generations. The actual ESC production label and BOM should remain the controlling specification for the shipped product.


What Is the iPad Pro 12.9 A2043 Replacement Battery?

The iPad Pro 12.9 A2043 replacement battery is a rechargeable lithium-polymer battery developed for compatible 2018 and 2020 iPad Pro 12.9-inch repair and refurbishment projects.

The target device families are:

iPad Pro 12.9-inch 3rd Generation, 2018

· A1876

· A2014

· A1895

· A1983

iPad Pro 12.9-inch 4th Generation, 2020

· A2229

· A2069

· A2232

· A2233

Apple officially publishes a 36.71Wh built-in rechargeable lithium-polymer battery for both generations. The A2043 professional replacement-battery reference is 3.76V and 9720mAh, which calculates to approximately 36.55Wh. These values are technically close but should remain separate as an Apple device-level specification and a replacement-battery specification.

After extended charging, discharging and storage, the original battery may gradually lose usable capacity and develop higher internal resistance.

Common battery-related symptoms may include:

· Shorter operating time between charges

· Rapid battery-percentage loss

· Poor charge retention

· Unexpected shutdown

· Reduced runtime during video, graphics or processor-intensive use

· The iPad operating while connected to power but shutting down after disconnection

A correctly matched replacement battery can restore usable battery-powered operation when the original problem is caused by battery degradation.

Battery replacement cannot repair faults involving the USB-C port, charging circuit, logic board, display power system or other internal components.

As an iPad Pro 12.9 battery supplier, A2043 battery manufacturer and OEM iPad battery manufacturer, ESC supplies replacement batteries for repair centers, refurbishment companies, wholesalers, distributors and private-label battery brands.

Before ordering, buyers should verify the exact device generation, model number, original battery structure, connector configuration and physical fit.


Key Features

1. A2043 Battery for Two iPad Pro Generations

The A2043 replacement battery is professionally cross-referenced with both the 2018 iPad Pro 12.9-inch 3rd generation and the 2020 iPad Pro 12.9-inch 4th generation, providing one clearly defined battery platform for multiple official device models.

2. 9720mAh Device-Specific Capacity

The A2043 battery is technically referenced at 9720mAh rather than a generic tablet-battery capacity, giving repair centers and wholesalers a more precise product specification for compatibility and purchasing.

3. Clear Battery and Device Model Identification

A2043 is the battery model reference, while A1876, A2014, A1895, A1983, A2229, A2069, A2232 and A2233 are device model numbers. Separating these entities improves buyer matching, search relevance and AI-readable product identification.

4. Compatibility-Focused Quality Control

Voltage, capacity, internal resistance, connector configuration and physical battery structure are checked according to the approved product specification.

5. OEM and Wholesale Supply

ESC supports samples, mixed-model purchasing, customized battery labels, barcode labels, private packaging and bulk production for professional repair, refurbishment and replacement-parts businesses.


Technical Specifications

Technical Item

Product Data

Brand

ESC

Product Type

Replacement iPad Battery

Compatible Device Family 1

iPad Pro 12.9-inch 3rd Generation

Compatible Device Family 2

iPad Pro 12.9-inch 4th Generation

Release Years

2018 / 2020

Battery Model

A2043

Compatible Device Models

A1876 / A2014 / A1895 / A1983 / A2229 / A2069 / A2232 / A2233

Battery Chemistry

Lithium-Polymer / Li-ion Polymer

Product Condition

New Replacement Battery

Technical Voltage Reference

3.76V

Capacity

9720mAh

Calculated Nominal Energy

Approx. 36.55Wh

Apple Published Device Energy

36.71Wh for both generations

Connector Type

Must match the original battery configuration

Battery Structure

Must be confirmed against the original battery and approved ESC production drawing

Battery Dimensions

Confirm according to the production drawing and approved sample

Battery Management / Protection

According to the final battery pack configuration

Capacity Inspection

According to applicable batch-testing requirements

Voltage Inspection

According to the approved product specification

Internal Resistance Test

According to the applicable inspection procedure

Charge and Discharge Test

According to the confirmed production standard

Connector Inspection

According to the approved product configuration

Appearance Inspection

Completed before shipment

Warranty

12 Months

Sample Availability

Available

MOQ

Confirm according to model mix and packaging requirements

OEM Options

Battery label, barcode, retail box and outer carton

Available Documents

CE, RoHS, MSDS, UN38.3 and other documents, subject to the exact SKU file

Shipping

Battery-compliant air, sea or approved logistics channels

The existing ESC page currently lists 9720mAh and 3.87V. Because the professional A2043 technical reference is 3.76V / 9720mAh, the actual ESC battery label, BOM and approved production sample should be checked before the voltage is changed on the live page.


Compatible Models

Device Generation

Model Number

Version

Battery Model

Verification Required

iPad Pro 12.9-inch 3rd Generation

A1876

Wi-Fi

A2043

Confirm original battery structure and connector

iPad Pro 12.9-inch 3rd Generation

A2014

Wi-Fi + Cellular

A2043

Confirm original battery structure and connector

iPad Pro 12.9-inch 3rd Generation

A1895

Wi-Fi + Cellular

A2043

Confirm original battery structure and physical configuration

iPad Pro 12.9-inch 3rd Generation

A1983

Wi-Fi + Cellular, China Mainland

A2043

Confirm original battery structure and physical configuration

iPad Pro 12.9-inch 4th Generation

A2229

Wi-Fi

A2043

Confirm original battery structure and connector

iPad Pro 12.9-inch 4th Generation

A2069

Wi-Fi + Cellular

A2043

Confirm original battery structure and connector

iPad Pro 12.9-inch 4th Generation

A2232

Wi-Fi + Cellular

A2043

Confirm original battery structure and physical configuration

iPad Pro 12.9-inch 4th Generation

A2233

Wi-Fi + Cellular, China Mainland

A2043

Confirm original battery structure and physical configuration

Apple officially identifies these device models as the 2018 third-generation and 2020 fourth-generation 12.9-inch iPad Pro families.

Compatibility Notice

A2043 is the battery model reference and should not be confused with the official iPad device model numbers.

This battery should not automatically be described as compatible with:

· iPad Pro 12.9-inch 1st Generation

· iPad Pro 12.9-inch 2nd Generation

· iPad Pro 12.9-inch 5th Generation

· iPad Pro 12.9-inch 6th Generation

· Other iPad models based only on display size

Different iPad Pro generations may use different:

· Battery model numbers

· Capacity specifications

· Voltage specifications

· Battery structures

· Connectors

· Flex-cable positions

· Internal mounting layouts

Before ordering, please provide:

· Exact iPad model number

· Device generation

· Original battery photo

· Battery-label photo

· Connector or flex-cable photo

· Required quantity

Compatibility should be confirmed before sample testing or bulk production.


Applications

iPad Repair Centers

Suitable for professional repair businesses replacing aged iPad Pro 12.9-inch 3rd- and 4th-generation batteries affected by reduced runtime, rapid battery drain, poor charge retention or unexpected shutdown.

iPad Refurbishment Companies

Designed for companies that inspect, repair, grade and resell used 2018 and 2020 iPad Pro devices in refurbished and secondary-device markets.

Replacement-Parts Wholesalers

Suitable for wholesalers supplying iPad batteries and electronic spare parts to repair shops, regional distributors and service centers.

E-Commerce Spare-Parts Sellers

Supports professional online sellers requiring clear battery references, accurate device-model compatibility information, barcode labels and retail-ready packaging.

Private-Label Battery Brands

ESC supports customized battery labels and packaging for customers operating their own replacement-battery brands.

Non-Warranty Repair Programs

Suitable for professional non-warranty iPad repair and maintenance projects after the battery fault and product compatibility have been confirmed.


Original iPad Pro 12.9 Battery vs. ESC A2043 Replacement Battery

Comparison Item

Original Battery When New

Aged Original Battery

ESC A2043 Replacement Battery

Product Role

Factory-installed original battery

Original battery after extended use

Compatible replacement battery

Device Generations

3rd Gen 2018 / 4th Gen 2020

Same original device

Developed for compatible 3rd- and 4th-generation applications

Device Models

Factory matched to the exact iPad

Same original device

Eight listed device models after compatibility verification

Battery Platform

Original 36.71Wh battery system

Original battery after aging

A2043 replacement battery

Apple Published Device Energy

36.71Wh

Originally 36.71Wh

Replacement specification stated separately

A2043 Technical Reference

Original pack specification not expressed by Apple in public mAh data

Original usable capacity declines with aging

3.76V / 9720mAh

Calculated Replacement Energy

Not applicable

Not applicable

Approx. 36.55Wh

Battery Condition

New when the device was manufactured

Chemically and electrically aged

New replacement battery

Usable Capacity

Normal when new

Usually reduced after extended use

According to the stated replacement specification

Internal Resistance

Lower when new

May increase with battery aging

Checked according to applicable production requirements

Runtime

Normal for a healthy new battery

Usually decreases as the battery ages

Designed to restore usable battery-powered operation

Charge Retention

Normal when new

May deteriorate over time

New battery with inspected electrical performance

Performance Under Load

Stable when healthy

Voltage drop may become more noticeable with aging

Designed for operation within the approved battery specification

Unexpected Shutdown

Low when battery and device are healthy

More likely with severe battery degradation

May reduce battery-related shutdown problems when correctly matched

Compatibility

Factory matched

Already matched to the original device

Exact device generation and battery structure must be confirmed

Warranty

Original product warranty terms

Usually expired

12-month ESC warranty

Branding

Original device component

Original aged component

ESC or customized private label

Packaging Customization

Not applicable

Not applicable

Available for qualified OEM orders

Installation

Factory installed

Already installed

Professional replacement recommended

Important Comparison Notice

The ESC battery is a compatible replacement product and is not manufactured, endorsed or authorized by Apple.

Apple publishes a 36.71Wh built-in rechargeable lithium-polymer battery for both the 2018 iPad Pro 12.9-inch 3rd generation and the 2020 4th generation. The professional A2043 replacement reference is 3.76V and 9720mAh, calculating to approximately 36.55Wh. The small difference should not be marketed as proof of lower or higher real-world runtime without actual battery and device testing.

A new replacement battery may improve battery-related runtime and stability when the original battery has degraded. It cannot repair problems caused by the logic board, USB-C port, charging circuit, display system or other internal components.

Actual operating time depends on:

· Screen brightness

· ProMotion display usage

· Wi-Fi or cellular connectivity

· Video playback

· Graphics and processor load

· Applications running in the background

· Battery temperature

· Charging-circuit condition

· Overall device condition


Customer FAQ

1. Is the A2043 battery compatible with both the iPad Pro 12.9-inch 3rd and 4th generations?

Yes. Professional repair references cross-reference the A2043 battery with both the 2018 iPad Pro 12.9-inch 3rd generation and the 2020 4th generation.

The exact device model and original battery configuration should still be confirmed before ordering.

2. What is A2043?

A2043 is the battery model reference associated with the 2018 and 2020 12.9-inch iPad Pro replacement-battery platform.

It should not be confused with the official iPad device model numbers.

3. Which device models are compatible with the A2043 battery?

The target device models are:

· A1876

· A2014

· A1895

· A1983

· A2229

· A2069

· A2232

· A2233

These models belong to the 2018 third-generation and 2020 fourth-generation 12.9-inch iPad Pro families.

4. What are the A2043 battery specifications?

A professional repair reference lists the A2043 battery at:

· 3.76V

· 9720mAh

· Approximately 36Wh

The final ESC website specification should match the actual production battery label, BOM and approved sample.

5. Why should the current ESC 3.87V specification be verified?

The current ESC page lists 3.87V and 9720mAh, while a professional A2043 replacement reference lists 3.76V and 9720mAh.

Because these voltage values are different, the live website should use the specification printed on the actual ESC production battery and confirmed by the BOM rather than automatically retaining the current page value.

6. Why does Apple specify 36.71Wh while the A2043 replacement battery is listed in mAh?

Apple publishes the complete device battery at 36.71Wh, while replacement-battery suppliers may describe the A2043 pack using nominal voltage and milliamp-hours.

At 3.76V and 9720mAh, the calculated nominal energy is approximately 36.55Wh. These specifications are closely related but should not be presented as mathematically identical.

7. Is A2043 compatible with the iPad Pro 12.9-inch 5th or 6th generation?

No compatibility should be assumed.

The 5th- and 6th-generation 12.9-inch iPad Pro models belong to later hardware platforms and use different battery references. The exact device generation and original battery should always be verified before ordering.

8. Will replacing the A2043 battery restore the original iPad runtime?

A correctly matched new battery can improve operating time when the original problem is caused by battery aging.

Actual runtime depends on screen brightness, ProMotion usage, wireless connectivity, applications, processor load, temperature and the overall condition of the device.

9. Can I order samples and customize the battery packaging?

Yes.

ESC supports sample evaluation and OEM services including customized battery labels, barcode labels and packaging. Exact MOQ and packaging options should be confirmed according to the model mix and order requirements.

10. Which documents and shipping support can ESC provide?

CE, RoHS, MSDS, UN38.3 and other applicable battery documents may be available according to the exact SKU file and production configuration.

Customers should confirm the required documentation, destination country and shipping method before ordering rather than assuming that every certification listed on a general product template applies to this exact A2043 battery.

Our Factory

Shenzhen ESC has specialized in the manufacturing of power banks, magnetic power banks, and fast charger products for over 15 years, with its factory situated in Dongguan city. The company boasts a comprehensive and advanced design, research and development, production, and sales team, all of which are under internal control. The unique exterior design and the fast charging technology, which surpasses that of competitors, enable customers to experience a distinctive product performance and a premium taste. Presently, all ESC products are compatible with Qi 2/PD3.0/PPS/QC2.0/QC3.0/FCP/SCP/AFC/APPLE2.4A/SAMSUNG 20V2.5A/BC1.2 up to 140W protocols. The products are produced in strict accordance with the standardized system, from research and development, design, mold opening to injection molding and hardware injection. Additionally, a professional team, rigorous management, and excellent equipment ensure the high and stable quality that is returned to customers and end-users. OEM and ODM orders are accepted with a fast lead time and special design capabilities. We extend a warm welcome to friends from across the globe to visit, provide guidance, and engage in business negotiations. Our goal is to achieve leadership in the industry through relentless effort and continuous enhancement of super-fast charging technology.

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OEM & ODM Service Process

1

Confirm samples detailed with customers

2

Pay sample fee and mold opening fee (no need to open mold, no change)

3

Design logo and package for customers

4

Make samples for customers

5

Confirm Order details

6

Pay the order deposit (30%-50%)

7

Prepare customized material for mass production

8

Confirm bulk samples with customers

9

Customers pay the balance

10

Delivery

11

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Tips to Choose the Good Quality Power Bank

Power Bank Selection: Assess Your Needs

The first step is to determine your power needs based on the devices you plan to charge. For high-demand devices (like laptops and tablets), choose a high-capacity power bank, such as 20,000mAh or 30,000mAh. For smartphones and smaller gadgets, a capacity of around 10,000mAh is usually enough.
1

Look for Fast Charging

Prioritize power banks that support fast charging technologies to save time. Look specifically for Power Delivery (PD) or Quick Charge (QC). These features allow compatible devices to charge much faster, significantly cutting down charging time.
2

Check Ports and Compatibility

Look at the number and type of output ports on the power bank. Most power banks have USB-A ports. If you need to charge modern devices (like laptops or new phones), make sure the power bank includes a USB-C (or other specialized) port. Multiple ports are essential if you need to charge several devices at the same time.
3

Evaluate Safety Features

Safety is crucial for any portable charger. Always look for power banks that include built-in safety mechanisms: • Overcharge protection • Short-circuit protection • Temperature control These features protect both your devices and the power bank while charging.
4

Consider Brand Reputation and Quality

Always select a power bank from a reputable brand known for quality and reliability. Trusted brands use premium components and conduct rigorous quality checks. This ensures excellent performance and durability, giving you a product that will last.
5

Think About Portability and Design

Consider the power bank's size, weight, and overall design. For travel or everyday carry, choose a model that is compact and lightweight enough to fit easily into your pocket or bag. You may also want features like sleek designs, LED indicators, or ergonomic shapes for better convenience.
6

Read Customer Reviews

Before you buy, make sure to read customer reviews and ratings. Real user experiences offer valuable insights into the product's performance, reliability, and durability that you won't find anywhere else.
7

Check Compatibility

Always confirm that the power bank is compatible with your devices. It must be able to support the specific charging requirements (voltage, current) of your smartphone, tablet, laptop, or any other gadget you intend to charge.
8

Compare Price and Warranty

Compare prices based on the features, capacity, and brand reputation. Find a power bank that offers a good balance between price and performance within your budget. Check the manufacturer's warranty. A longer warranty period is a strong indicator of the brand's confidence in its product quality.
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