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iPhone 11 Battery Cell 4000mAh Without Flex

Factory-direct 4000mAh iPhone 11 battery cell from an iPhone battery manufacturer, phone battery supplier and OEM battery factory with strict QC and global shipping.

iPhone 11 Battery Cell 4000mAh Without Flex






Why Choose ESC iPhone 11 Battery Cell?

Professional iPhone Battery Manufacturer

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

An experienced research and development team, automatic production equipment and standardized quality-control procedures support consistent product specifications and repeat wholesale orders.

Factory-Direct Wholesale Supply

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

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

Model-Matched 4000mAh Cell

This replacement battery cell has a rated capacity of 4000mAh and a standard voltage of 3.83V.

It is designed for the internal battery format and electrical requirements of the iPhone 11. Buyers should verify the original battery shape and device model before ordering.

Brand-New Pure-Cobalt Cell

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

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

Strict Quality Control

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

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

OEM Battery Factory Support

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

These services help wholesalers and distributors develop differentiated replacement battery product lines.

Flexible Wholesale MOQ

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

Samples can be evaluated before larger orders are confirmed.

Stable Lead Time

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

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

Global Battery Shipping

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

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

Quick Specifications

Specification Details
Product Name iPhone 11 Battery Cell Without Flex
Compatible Device iPhone 11
Battery Type Rechargeable Lithium-Ion Battery Cell
Cell Material Brand-New Pure-Cobalt Cell
Rated Capacity 4000mAh
Standard Voltage 3.83V
Product Configuration Battery Cell Without Flex Cable
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
Target Defect Rate Below 0.1%
Standard Lead Time Within Approximately 7 Days for Standard Orders
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, production time, MOQ and transportation schedule should be confirmed according to the selected batch, order quantity, destination and packaging requirements. esccharge.com

iPhone 11 battery cell

What Is an iPhone 11 Battery Cell?

Product Definition

An iPhone 11 battery cell is a 4000mAh, 3.83V lithium-ion replacement cell supplied without flex for professional repair and refurbishment. ESC is an iPhone battery manufacturer, phone battery supplier and OEM battery factory offering strict QC, private labels and global shipping.

This product is an aftermarket replacement battery cell. It is not an original Apple battery or an Apple-authorized service part.

Key Features

1. Rated 4000mAh Capacity

The battery cell has a rated capacity of 4000mAh and is positioned as a high-capacity replacement option for the iPhone 11.

Actual runtime depends on measured cell capacity, phone condition, software, network use, charging habits and operating temperature.

2. Cell-Only Configuration

The product is supplied without a pre-installed flex cable, making it suitable for qualified technicians using an appropriate cell-transfer or battery-assembly procedure.

3. More Than 800 Cycles

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

4. Strict Batch Inspection

Capacity testing, voltage measurement, internal-resistance inspection, aging tests and appearance checks help improve production consistency and reduce wholesale after-sales risk.

5. OEM and Private Label Support

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

Compatible iPhone 11 Models

Device Model Number Primary Market or Region
iPhone 11 A2111 Canada and United States
iPhone 11 A2221 Other Countries and Regions
iPhone 11 A2223 China Mainland, Hong Kong and Macao

This battery cell is intended for the 6.1-inch iPhone 11. It is not interchangeable with batteries for the iPhone 11 Pro or iPhone 11 Pro Max.

Buyers should verify the model number, original battery shape, dimensions and required repair configuration before ordering.

Applications

Application Description
Mobile Phone Repair Shops Suitable for professional technicians replacing aged, damaged, swollen, fast-draining or low-capacity iPhone 11 battery cells.
Refurbishment Facilities Supports batch refurbishment programs requiring model-specific cells, consistent specifications and stable repeat supply.
Mobile Phone Parts Wholesalers Suitable for wholesalers supplying replacement batteries to repair shops, technicians and regional service centers.
Repair Chain Stores Centralized purchasing helps repair chains maintain standardized battery models, inventory availability and quality requirements.
Private Label Battery Brands OEM customization supports branded labels, retail packaging, barcodes, instructions and warranty information.
E-Commerce Sellers Suitable for online sellers requiring model-specific inventory, retail-ready packaging and repeat wholesale supply.
International Distributors Mixed-model purchasing, export documentation and multiple shipping methods support regional distribution programs.

ESC Replacement Battery Cell vs Original Battery

Comparison Item ESC Replacement Battery Cell Original Factory Battery
Product Type Compatible aftermarket replacement cell Factory-installed battery assembly
Compatible Device iPhone 11 iPhone 11
Capacity Positioning Rated 4000mAh high-capacity option Original factory-rated capacity
Standard Voltage 3.83V Based on the original battery system
Cell Chemistry Lithium-Ion, Pure-Cobalt Cell Lithium-Ion Battery
Product Condition Brand-New Replacement Cell Brand-New When Originally Installed
Flex Cable Not Included Original Flex and Management Components Integrated
Installation Method Professional Cell-Transfer or Assembly Procedure Required Installed During Manufacturing or Authorized Service
Battery Recognition Depends on the Transferred Flex, Repair Method and Device 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 Transferred Components, Software and Repair Procedure 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 Where Available
Wholesale Availability Available for Professional B2B Purchasing Subject to Original Service-Channel Policies
OEM Packaging Supported Not Available for Third-Party Branding
Private Label Service Supported Not Available
MOQ 20 Pieces for a Single Model Generally Not Available Through Flexible Aftermarket Wholesale
Warranty 12-Month Supplier Warranty Subject to the Original Manufacturer’s Service Policy
Target Customer 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

Actual usable capacity and runtime should be confirmed through sample testing before bulk approval. Battery recognition and Battery Health functions depend on the installed flex cable, repair method, phone software and service procedure. esccharge.com

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 grouped according to voltage, internal resistance, capacity and self-discharge performance to improve consistency within the same production batch.

Capacity Verification

Battery analyzers are used to verify whether the measured cell capacity meets the approved product specification.

Charging and Discharging Test

Charging and discharging performance is inspected to identify abnormal current, unstable voltage, overheating or early capacity loss.

Aging Inspection

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

Final Inspection

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

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 boxes, inner trays, barcode labels, instruction cards and warranty cards.

Barcode and SKU Management

Customized model codes, SKUs and barcodes help wholesalers manage multiple replacement battery models.

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, quantities, model information and customer branding can be customized for international shipments. esccharge.com

Ordering Information

Quotation Requirements

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

Sample Evaluation

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

Configuration Confirmation

Confirm that the required product is an iPhone 11 battery cell without a pre-installed flex cable. Buyers requiring a complete battery assembly should provide detailed specifications before ordering.

Bulk Production

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

Shipping Arrangement

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

FAQ

1. What is the rated capacity of the iPhone 11 battery cell?

The listed rated capacity is 4000mAh, and the standard voltage is 3.83V. Buyers should verify measured capacity through sample testing before approving a bulk order.

2. Which iPhone models are compatible with this battery cell?

It is designed for iPhone 11 model numbers A2111, A2221 and A2223. It is not compatible with the iPhone 11 Pro or iPhone 11 Pro Max.

3. Does the battery cell include a flex cable?

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

4. Is this an original Apple battery?

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

It should not be described as an original Apple battery or an Apple-authorized service part.

5. Will Battery Health display normally after installation?

The replacement cell alone does not guarantee Battery Health display, battery recognition or warning-message behavior.

These functions depend on the transferred flex cable, management components, device software and repair procedure.

6. Who should install the iPhone 11 battery cell?

Installation should be completed by a trained mobile phone repair technician using appropriate battery-transfer equipment and safe operating procedures.

The cell-only product is not intended for inexperienced consumer installation.

7. What is the minimum order quantity?

The standard MOQ is 20 pieces for a single model. Mixed-model wholesale orders can start from 100 pieces.

Final quantities should be confirmed according to the selected models, packaging and customization requirements. esccharge.com

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. esccharge.com

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. esccharge.com

10. What warranty and shipping methods are available?

A 12-month supplier warranty is available for qualified product-quality issues.

Shipping methods include DHL, UPS, air freight, sea freight, railway freight and road transportation. Delivery time depends on the destination, customs clearance and selected logistics route.

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.

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Our Certificates

ESC certificate 1
ESC certificate 2
ESC certificate 3
ESC certificate 4

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:

  • 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.

2

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.

3

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.

4

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.

5

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.

6

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.

7

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.

8

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.

9

Contact Us

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Minimum Order: 10 Units
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