Home/Products/High Capacity iPhone battery/3700mAh High Capacity Battery for iPhone 16 Pro 3.892V Replacement Battery

3700mAh high capacity battery for iPhone 16 Pro from a reliable iPhone 16 Pro battery supplier and high capacity battery manufacturer. OEM support, wholesale supply, 12-month warranty.

3700mAh High Capacity Battery for iPhone 16 Pro 3.892V Replacement Battery

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Why Choose 3700mAh High Capacity Battery for iPhone 16 Pro

Professional Battery Manufacturer

Work directly with a high capacity battery manufacturer focused on replacement batteries for professional repair, wholesale and distribution markets.

Stable Wholesale Supply

As an iPhone 16 Pro battery supplier and wholesale phone battery supplier, we support repeat orders, mixed-model purchasing and long-term supply requirements.

Strict Quality Control

Each battery is checked for capacity, voltage, internal resistance and performance before shipment to help maintain consistent batch quality.

OEM and Private Label Support

OEM battery manufacturing and private label services are available for distributors, wholesalers and repair brands looking to build their own product line.

After-Sales Support

Products are covered by a 12-month warranty. Qualified defective units can be replenished with the next order according to the agreed after-sales policy.

Flexible Global Shipping

Battery shipments can be arranged by air, sea or railway according to destination, quantity, delivery requirements and applicable transport conditions.

Quick Specifications

Specification	Details
Product Type	High Capacity Replacement Battery
Compatible Device	iPhone 16 Pro
Battery Model	EC-IP16Pro
Battery Chemistry	Li-ion Polymer Battery
Capacity	3700mAh
Nominal Voltage	3.892V
Energy	14.400Wh
Charge Limit Voltage	4.50V
Defective Rate	≤1%
Typical Lead Time	5–7 Days, subject to order confirmation
Warranty	12 Months
Compliance / Shipping Documents	CE, UN38.3, MSDS, PSE
MOQ	Flexible, 100 pcs mixed-model trial orders available
OEM / Private Label	Available
Sample Order	Available
Transportation	Air, Sea, Railway
Application	Repair, Refurbishment, Wholesale, Distribution

What Is the iPhone 16 Pro High Capacity Battery?

This 3700mAh high capacity battery for iPhone 16 Pro is an aftermarket lithium-polymer replacement designed for repair shops, wholesalers and distributors. As an iPhone 16 Pro battery supplier and high capacity battery manufacturer, we provide stable wholesale supply, OEM support, QC testing and global shipping options.

Key Features

1. 3700mAh High Capacity

Provides increased battery capacity for customers looking for a high capacity replacement solution for iPhone 16 Pro.

2. Model-Specific Fit

Designed specifically for iPhone 16 Pro with the corresponding battery shape, connector and installation configuration.

3. Stable Electrical Performance

Rated at 3.892V and 14.400Wh with a 4.50V charge limit for stable daily battery operation.

4. Multi-Step Quality Control

Capacity, voltage, internal resistance and aging performance are checked before shipment to improve batch consistency.

5. Wholesale and OEM Ready

Suitable for repair chains, battery wholesalers, distributors, refurbishers and private label battery brands.

Applications

Mobile Phone Repair Shops

Suitable for repair businesses replacing aged, damaged or low-performance iPhone 16 Pro batteries for their customers.

Phone Parts Wholesalers

Designed for wholesalers requiring a stable iPhone 16 Pro battery supplier with repeat-order capability and mixed-model purchasing options.

Refurbishment Businesses

Suitable for companies refurbishing used smartphones and replacing batteries before resale or redistribution.

Regional Distributors

A practical option for distributors building a replacement battery product range for local repair shops and resellers.

OEM and Private Label Projects

Available for customers seeking an OEM battery manufacturer for customized branding, packaging and long-term battery supply.

High Capacity Battery vs Original Battery

Comparison	3700mAh High Capacity Replacement Battery	Original Battery
Product Positioning	Aftermarket high capacity replacement	Factory-installed battery
Capacity	3700mAh	Factory standard capacity
Nominal Voltage	3.892V	Factory-rated specification
Main Purpose	Battery replacement with higher capacity positioning	Original factory configuration
Runtime	Designed to provide strong daily runtime; actual results depend on usage	Based on original factory configuration and battery condition
Installation	Professional replacement recommended	Pre-installed or replaced through official service
Battery Status Behavior	May depend on repair method, system version and installation process	Native factory system integration
Wholesale Availability	Available for bulk and mixed-model purchasing	Generally supplied through official service channels
OEM Branding	Available for qualified orders	Not available
Private Label Packaging	Available	Not available
Supply for Repair Shops	Designed for professional repair and wholesale markets	Limited through official service channels
Cost Positioning	Suitable for competitive aftermarket repair solutions	Usually associated with official service pricing
Warranty	12-month supplier warranty	Subject to original manufacturer service policy

Applications and Buyer Value

For Repair Businesses

Add a high capacity replacement option to your battery repair service and provide customers with an alternative to standard-capacity aftermarket batteries.

For Wholesalers

Expand your iPhone replacement battery catalog with a 3700mAh iPhone 16 Pro battery designed for professional B2B distribution.

For Distributors

Build a scalable product line with OEM branding, mixed-model orders and repeat wholesale supply from a dedicated mobile phone battery manufacturer.

For Refurbishers

Use replacement batteries as part of smartphone refurbishment workflows where consistent battery condition and supply stability are important.

FAQ

What is the capacity of this iPhone 16 Pro battery?

The battery has a rated capacity of 3700mAh.

What is the voltage of this battery?

The nominal voltage is 3.892V, with 14.400Wh energy and a 4.50V charge limit voltage.

Is this battery compatible with iPhone 16 Pro?

Yes. This battery model is designed specifically for iPhone 16 Pro.

Is this an original Apple battery?

No. This is an aftermarket high capacity replacement battery designed for professional repair and replacement applications.

Are you an iPhone 16 Pro battery supplier or manufacturer?

We supply replacement batteries for professional B2B customers and support wholesale, OEM and private label battery projects.

Can I order different battery models together?

Yes. Mixed-model orders are available, making it easier for repair shops and wholesalers to purchase batteries for different phone models in one order.

What is the MOQ for wholesale orders?

MOQ is flexible. A 100-piece mixed-model trial order can be arranged for qualified customers.

What warranty do you provide?

The battery comes with a 12-month warranty. Qualified defective units can be replenished with the next order according to the agreed after-sales policy.

What certifications and shipping documents are available?

Available compliance and transportation documents include CE, UN38.3, MSDS and PSE, depending on order and shipping requirements.

How can iPhone 16 Pro batteries be shipped internationally?

Battery shipments can be arranged by air, sea or railway depending on destination, order quantity, shipping regulations and required delivery time.

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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