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, 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 the 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.

Quick Specifications

What Is the iPad Pro 12.9 1st Gen A1577 Replacement Battery?

The iPad Pro 12.9 1st Gen A1577 replacement battery is a rechargeable lithium-polymer battery developed for compatible 2015 iPad Pro 12.9-inch repair and refurbishment projects.

The target device family includes:

· A1584 — Wi-Fi

· A1652 — Wi-Fi + Cellular

The A1577 battery is technically referenced at 3.77V, 10307mAh and approximately 38.8Wh. Apple publishes the original 12.9-inch iPad Pro device with a 38.5Wh built-in rechargeable lithium-polymer battery.

These specifications are closely related but should remain separate: 38.5Wh is Apple’s public device-level specification, while 3.77V / 10307mAh / 38.8Wh describes the A1577 battery reference.

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 Lightning port, charging circuit, logic board, display power system or other internal components.

As an iPad Pro 12.9 1st Gen battery supplier and OEM iPad battery manufacturer, ESC supplies A1577 replacement batteries for repair centers, refurbishment companies, wholesalers, distributors and private-label battery brands.

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

Key Features

1. 10307mAh A1577 Battery Platform

The A1577 battery is referenced at 10307mAh for compatible 2015 iPad Pro 12.9-inch applications, providing a device-specific capacity reference rather than a generic tablet-battery specification.

2. Designed for A1584 and A1652

The battery is developed for compatible Wi-Fi and Wi-Fi + Cellular versions of the first-generation 12.9-inch iPad Pro, identified by device model numbers A1584 and A1652.

3. Clear Battery and Device Model Identification

A1577 is the battery model reference, while A1584 and A1652 are the official device model numbers. Keeping these identifiers separate improves buyer matching, search relevance and AI-readable product entity structure.

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

Compatible Models

Compatibility Notice

A1577 is the battery model reference and should not be confused with the official iPad device model numbers A1584 and A1652.

This battery should not automatically be described as compatible with:

· iPad Pro 12.9-inch 2nd Generation

· iPad Pro 12.9-inch 3rd Generation

· Later 12.9-inch iPad Pro generations

· Other iPad models based only on display size

Different iPad Pro generations may use different:

· Battery model numbers

· Voltage specifications

· Capacity 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 1st-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 2015 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 1st Gen Battery vs. ESC Replacement Battery

Important Comparison Notice

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

Apple publishes a 38.5Wh battery specification for the 2015 12.9-inch iPad Pro, while the A1577 battery platform is technically referenced at 3.77V, 10307mAh and approximately 38.8Wh. The small difference should not be marketed as guaranteed additional runtime.

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, Lightning port, charging circuit, display system or other internal components.

Actual operating time depends on:

· Screen brightness

· 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 A1577 battery compatible with the iPad Pro 12.9-inch 1st generation?

Yes. The A1577 battery is associated with the 2015 iPad Pro 12.9-inch platform.

The official device model numbers are A1584 for Wi-Fi and A1652 for Wi-Fi + Cellular. The original battery configuration and connector structure should still be confirmed before ordering.

2. What is A1577?

A1577 is the battery model reference associated with the first-generation 12.9-inch iPad Pro.

It should not be confused with the official device model numbers A1584 and A1652.

3. What are the correct A1577 battery specifications?

The A1577 battery is technically referenced at:

· 3.77V

· 10307mAh

· Approximately 38.8Wh

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

4. Why does Apple specify 38.5Wh while the A1577 battery is listed at approximately 38.8Wh?

Apple publishes a 38.5Wh device-level battery specification, while the physical A1577 battery platform is referenced at approximately 38.8Wh.

The small difference may reflect rating methodology and rounding. It should not automatically be marketed as additional usable runtime.

5. Why should the current ESC 3.82V specification be verified?

The current ESC page lists 3.82V, while original-device teardown and professional repair references identify the A1577 battery platform at 3.77V.

The final published value should therefore match the actual ESC production label, BOM and validated sample rather than being copied from a generic parameter template.

6. Is A1577 compatible with later 12.9-inch iPad Pro generations?

No compatibility should be assumed.

Later 12.9-inch iPad Pro generations use different battery platforms, structures and specifications. The exact device generation and original battery should always be verified before ordering.

7. Will replacing the A1577 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, wireless connectivity, applications, processor load, temperature and the overall condition of the device.

8. Is the battery tested before shipment?

The battery is checked according to the applicable production and outgoing inspection procedures, including relevant capacity, voltage, internal resistance, connector configuration and appearance inspections.

Specific batch-testing requirements can be confirmed before bulk production.

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.