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iPhone 12/12 Pro Battery Cell 2815mAh Without Flex

iPhone 12/12 Pro Battery Cell 2815mAh Without Flex






Why Choose ESC iPhone 12/12 Pro Battery Cell?

Professional iPhone Battery Manufacturer

ESC is an experienced iPhone battery manufacturer supplying replacement battery cells to repair chains, refurbishment facilities, mobile phone parts wholesalers, distributors and private label battery brands.

Professional research and development, automated production equipment and standardized quality-control processes support consistent product specifications and repeat-order quality.

Factory-Direct Wholesale Supply

Purchasing from a factory direct battery wholesaler gives buyers direct access to production, quality inspection, customization, packaging and after-sales support.

ESC supports single-model orders, mixed-model purchasing, sample evaluation and long-term supply programs for professional B2B customers.

Compatible With Two Popular Models

The same 2815mAh battery-cell platform is compatible with both the iPhone 12 and iPhone 12 Pro, helping wholesalers reduce duplicate inventory and simplify product management.

Buyers should still verify the device model number and required repair configuration before ordering.

Brand-New Pure Cobalt Cell

The battery uses a brand-new pure cobalt lithium-ion cell designed to provide stable voltage output, controlled internal resistance and consistent charging and discharging performance.

The listed cycle-life target is more than 800 cycles under suitable charging, storage and operating conditions.

Strict Quality Control

Battery cells are inspected for appearance, dimensions, voltage, internal resistance, capacity and charging performance.

Automated production, individual testing, aging inspection and final quality checks help maintain a factory defect-rate target below 0.1%.

OEM Battery Factory Support

As an OEM battery factory, ESC supports customized battery labels, customer logos, private label packaging, barcode labels, instruction cards, warranty cards and export-carton markings.

These services help distributors and private label battery suppliers build differentiated replacement battery product lines.

Flexible Wholesale MOQ

The listed single-model MOQ is 20 pieces. Mixed-model wholesale orders start from 100 pieces, subject to the selected models, packaging and customization requirements.

Stable Production and Lead Time

Standard products can be prepared within approximately seven days when stock and materials are available.

Customized labels, private packaging and larger production quantities may require additional production time.

Global Battery Shipping

Available transportation methods include DHL, UPS, air freight, sea freight, railway freight and road transportation.

The appropriate shipping route can be selected according to the order quantity, destination, delivery schedule, customs requirements and transportation budget. esccharge.com

Quick Specifications

Specification Details
Product Name iPhone 12/12 Pro Battery Cell Without Flex
Compatible Devices iPhone 12 and iPhone 12 Pro
Battery Type Rechargeable Lithium-Ion Battery Cell
Cell Material Brand-New Pure Cobalt Cell
Rated Capacity 2815mAh
Standard Voltage 3.83V
Product Configuration Battery Cell Without Flex Cable or BMS
Cycle Life More Than 800 Cycles
Charging Time Approximately 1–3 Hours
Standby Time Approximately 3–7 Days, Depending on Device Use
Working Temperature -10°C to 50°C
Factory Defect-Rate Target Below 0.1%
Customer-Reported Defect Rate Below 1%
Standard Lead Time Within Approximately 7 Days
Warranty 12 Months
Single-Model MOQ 20 Pieces
Mixed-Model MOQ 100 Pieces
OEM Service Custom Logo, Battery Label and Private Packaging
Certifications ISO 9001, CE, RoHS, FCC, IEC 62133, PSE, REACH, UL 2054, MSDS and UN38.3
Express Shipping DHL or UPS, Approximately 3–6 Days
Sea Freight Approximately 20–40 Days
Railway Freight Approximately 30–35 Days
Road Transportation Approximately 20–25 Days
Shipping Port Shenzhen

Certificate availability, lead time, MOQ and transportation schedule should be confirmed according to the selected production batch, destination, quantity and packaging requirements. esccharge.com

iPhone 12/12 Pro battery cell

What Is an iPhone 12/12 Pro Battery Cell?

Product Definition

An iPhone 12/12 Pro battery cell is a 2815mAh, 3.83V lithium-ion replacement cell supplied without flex or BMS for professional repair and refurbishment. ESC is an iPhone battery manufacturer, phone battery supplier and OEM battery factory offering strict QC, private label service and global shipping.

Key Features

1. Shared iPhone 12 and 12 Pro Compatibility

The model-specific cell structure is compatible with both the standard iPhone 12 and iPhone 12 Pro, reducing inventory complexity for repair shops and wholesalers.

2. Model-Matched 2815mAh Capacity

The rated 2815mAh capacity and 3.83V standard voltage are designed for the battery format and electrical requirements of the compatible devices.

3. Cell-Only Professional Configuration

The product is supplied without a pre-installed flex cable or BMS, allowing qualified technicians to use an appropriate cell-transfer or battery-assembly procedure.

4. More Than 800 Charging Cycles

The brand-new pure cobalt cell has a listed cycle-life target of more than 800 charging cycles under appropriate charging, storage and operating conditions.

5. OEM and Private Label Support

Custom logos, battery labels, retail boxes, barcode labels, warranty cards, instructions and export cartons are available for professional wholesale programs.

Compatible iPhone Models

Device Model Number Primary Market or Region
iPhone 12 A2172 United States
iPhone 12 A2402 Canada and Japan
iPhone 12 A2403 Other Countries and Regions
iPhone 12 A2404 China Mainland, Hong Kong and Macao
iPhone 12 Pro A2341 United States
iPhone 12 Pro A2406 Canada and Japan
iPhone 12 Pro A2407 Other Countries and Regions
iPhone 12 Pro A2408 China Mainland, Hong Kong and Macao

This battery cell is designed for the 6.1-inch iPhone 12 and iPhone 12 Pro. It is not compatible with the iPhone 12 Mini or iPhone 12 Pro Max. Buyers should verify the device model number, battery shape and repair configuration before ordering.

Applications

Mobile Phone Repair Shops

Suitable for professional technicians replacing aged, damaged, fast-draining or low-capacity iPhone 12 and iPhone 12 Pro battery cells.

Refurbishment Facilities

Supports batch refurbishment programs requiring model-specific replacement cells, consistent capacity and stable repeat supply.

Mobile Phone Parts Wholesalers

The shared iPhone 12 and iPhone 12 Pro compatibility helps wholesalers reduce SKU duplication and simplify inventory management.

Repair Chain Stores

Centralized purchasing helps repair chains maintain standardized specifications, predictable stock levels and consistent battery quality across multiple locations.

Private Label Battery Brands

OEM battery customization supports custom logos, battery labels, retail packaging, barcodes, instructions and warranty information.

E-Commerce Battery Sellers

Suitable for online sellers requiring accurate compatibility information, retail-ready packaging and stable replacement battery supply.

International Distributors

Mixed-model purchasing, export documentation and multiple transportation options support regional distribution and international wholesale programs.

ESC Replacement Battery Cell vs Original Factory Battery

Comparison Item ESC Replacement Battery Cell Original Factory Battery
Product Type Compatible aftermarket replacement cell Factory-installed battery assembly
Compatible Devices iPhone 12 and iPhone 12 Pro Model-specific original installation
Rated Capacity 2815mAh Original-equipment capacity class
Standard Voltage 3.83V Original electrical specification
Cell Chemistry Pure Cobalt Lithium-Ion Cell Lithium-Ion Battery
Cell Condition Brand-New Replacement Cell Brand-New When Originally Installed
Flex Cable Not Included Original Flex Cable Integrated
BMS Not Included Original Management Components Integrated
Installation Method Professional Cell-Transfer or Assembly Required Installed During Manufacturing or Official Service
Battery Recognition Depends on Transferred Components, Repair Method and Software Managed Through the Original Battery System
Battery Health Display Not Guaranteed by the Replacement Cell Alone Normally Supported When the Original System Operates Correctly
Warning-Message Behavior Depends on Flex, Repair Procedure and Device Software Normally Managed Through the Original Device System
Branding ESC, Neutral Label or Customized Private Label Original Manufacturer Identification
Packaging Standard Wholesale or Customized OEM Packaging Original Service-Channel Packaging
Wholesale Availability Available for Professional B2B Purchasing Subject to Original Service-Channel Policies
OEM Labeling Supported Not Available for Third-Party Branding
Private Packaging Supported Not Available
Order Flexibility Supports Single-Model, Mixed-Model and Custom Orders Limited by Official Service-Channel Availability
Single-Model MOQ 20 Pieces Generally Unavailable for Flexible Wholesale Orders
Warranty 12-Month Supplier Warranty Subject to Original Manufacturer Service Terms
Target Customers Repair Shops, Refurbishers, Wholesalers and Distributors Original Manufacturing and Authorized Service Networks
Cost Positioning Competitive Professional Replacement Solution Generally Positioned Within the Official Service Ecosystem

Quality Control Process

Incoming Cell Inspection

Incoming cells are checked for appearance, dimensions, voltage, internal resistance and material consistency before entering production.

Cell Grading

Cells are sorted according to capacity, voltage, internal resistance, thickness and self-discharge performance to improve production-batch consistency.

Capacity Verification

Professional battery analyzers are used to verify whether the measured capacity meets the approved 2815mAh product specification.

Charging and Discharging Test

Charging and discharging performance is tested to identify abnormal current, unstable voltage, excessive temperature or early capacity loss.

Aging Inspection

Aging tests help identify abnormal self-discharge and unstable performance before battery cells are approved for shipment.

Final Inspection

Battery appearance, labels, quantities, packaging and customer requirements are checked before the order is released.

OEM and Private Label Service

Custom Battery Labels

Customer logos, product models, capacities, voltages, warning information and traceability codes can be printed on the battery label.

Private Label Packaging

Available options include individual retail boxes, inner trays, barcode labels, instruction cards and warranty cards.

Barcode and SKU Management

Customized barcodes, model codes and SKU labels help wholesalers manage multiple replacement battery products.

Mixed-Model Purchasing

Different smartphone, tablet and laptop battery models can be combined according to confirmed quantities and production requirements.

Export Carton Customization

Outer-carton labels, shipping marks, model information, quantities and customer branding can be customized for international shipments.

Ordering Information

Quotation Requirements

Provide the required product model, quantity, destination country, packaging requirements, logo files, certificate requirements and preferred shipping method.

Sample Evaluation

Professional buyers can request samples to evaluate dimensions, voltage, measured capacity, appearance, repair compatibility and packaging quality.

Product Configuration Confirmation

Confirm that the required product is a battery cell without a pre-installed flex cable or BMS. Buyers requiring a complete battery assembly should provide detailed specifications.

Bulk Production

Bulk production begins after the models, quantities, labels, packaging, payment terms and delivery requirements are confirmed.

Shipping Arrangement

The recommended logistics route is selected according to battery quantity, destination, customs requirements, delivery schedule and transportation budget.

FAQ

1. What is the capacity of the iPhone 12/12 Pro battery cell?

The rated capacity is 2815mAh, and the standard voltage is 3.83V. It is designed for professional iPhone 12 and iPhone 12 Pro battery repair and refurbishment.

2. Can the same battery cell be used for both iPhone 12 and iPhone 12 Pro?

Yes. The iPhone 12 and iPhone 12 Pro use the same compatible battery-cell platform. Buyers should still verify the device model number and required repair configuration before installation.

3. Which model numbers are compatible with this battery cell?

Compatible iPhone 12 model numbers include A2172, A2402, A2403 and A2404. Compatible iPhone 12 Pro model numbers include A2341, A2406, A2407 and A2408.

4. Does the battery cell include a flex cable or BMS?

No. The product is supplied as a battery cell without a pre-installed flex cable or BMS. A qualified technician must use an appropriate professional transfer or assembly procedure.

5. Is this an original manufacturer battery?

No. It is a compatible aftermarket replacement battery cell manufactured for professional repair, refurbishment and wholesale markets.

6. Will Battery Health display normally after installation?

The battery cell alone does not guarantee Battery Health display, parts recognition or warning-message behavior. These functions depend on the transferred flex, management components, repair method and device software.

7. What is the minimum order quantity?

The single-model MOQ is 20 pieces. Mixed-model wholesale orders start from 100 pieces, subject to the selected models, packaging and customization requirements.

8. Can ESC customize the battery label and packaging?

Yes. ESC supports custom logos, battery labels, retail boxes, barcode labels, instruction cards, warranty cards and export-carton markings.

9. How is battery quality checked before shipment?

Typical inspections include appearance checking, voltage measurement, internal-resistance testing, capacity verification, charging and discharging tests, aging inspection and final packaging checks.

10. What warranty and shipping methods are available?

A 12-month supplier warranty is available for qualified product-quality issues. Shipping options include DHL, UPS, air freight, sea freight, railway freight and road transportation.

Наша фабрика

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.

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Наши сертификаты

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OEM & ODM Battery Order Process

  1. 01

    Customer Inquiry & Requirement Confirmation

    Confirm battery models, capacity, quantity, target market, certification and customization requirements.

  2. 02

    Quotation

    Provide a detailed quotation based on product specifications, order quantity, packaging and delivery requirements.

  3. 03

    Customization Details Confirmation

    Confirm customized labels, barcodes, silk-screen artwork, logo printing, packaging and other branding details.

  4. 04

    Order Confirmation

    Finalize product specifications, quantities, unit prices, payment terms, delivery schedule and shipping method.

  5. 05

    Deposit Payment

    The customer pays the agreed deposit so that materials and production can be arranged.

  6. 06

    Production Arrangement

    Arrange material preparation, battery assembly, quality inspection, aging tests, packaging and order completion.

  7. 07

    Balance Payment

    The customer pays the remaining balance after production is completed and the order details are confirmed.

  8. 08

    Shipment

    Arrange shipment by an approved air, sea, railway or express channel according to the destination and order requirements.

  9. 09

    Delivery & Receipt Follow-Up

    Provide shipping documents and tracking information, and follow up until the customer receives the goods.

  10. 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.

1

Check the Quality of Cells and Electronic Components

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

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

  • 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
2

Review Incoming Material Inspection and Cell Grading

Cells should be tested and grouped according to:

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

  • Capacity
  • Voltage
  • Internal resistance
  • Self-discharge
  • Thickness and dimensions
  • Appearance
3

Require Complete Electrical and Compatibility Testing

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

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.

  • Charging and discharging performance
  • Actual capacity
  • Battery current
  • Protection functions
  • Cycle count and battery data
  • Fuel-gauge parameters
  • Device compatibility
  • Temperature performance
4

Evaluate Automation and Production Consistency

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

Important processes may include:

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

  • Automatic cell sorting
  • Automatic welding
  • Automatic PCB testing
  • Automatic adhesive application
  • Barcode traceability
  • In-line functional inspection
5

Inspect Assembly Details

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

A well-finished battery should include:

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

  • 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
6

Confirm In-Process and Final Quality Inspection

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

Recommended checkpoints include:

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

  • Incoming material inspection
  • Cell grading
  • PCB and BMS testing
  • Welding inspection
  • Assembly inspection
  • Capacity testing
  • Aging testing
  • Appearance inspection
  • Packaging inspection
  • Final random inspection
7

Compare Capacity Claims, Defect Rate and Certification

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

A credible supplier should provide:

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

  • 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
8

Follow Correct Battery Installation Procedures

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

Before installation:

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.

  • 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
9

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