Is professional installation required?

Yes. Professional installation is recommended because incorrect installation may damage the battery, connector, flex cable, or mobile phone.

Do you test the batteries before shipment?

Yes. Capacity, voltage, internal resistance, appearance, flex condition, and basic performance are checked before shipment.

What certifications are available?

The product displays CE and PSE marks. UN38.3 and MSDS transportation documents can be provided when applicable to the order.

What is the minimum order quantity?

The recommended MOQ is 100 pieces. Different battery models may be combined in one mixed-model trial order after confirmation.

Can I order a sample first?

Yes. Samples are available for compatibility and quality evaluation. Sample and shipping costs are normally paid by the buyer.

ESC 3687mAh Diagnostic Replacement Battery for iPhone 12 PRO Max Repair

Name: ESC 3687mAh Diagnostic Replacement Battery for iPhone 12 PRO Max Repair
Brand: Shenzhen Mingfeng Technology Co., Ltd
SKU: 2000438991

Guangdong, ChinaShenzhen Mingfeng Technology Co., Ltd

US$20.61-21.35

10 Pieces

Product specifications

Compatible Model

Battery Version

Voltage

Sample price:US$21.35/piece.Request sample

Product profile

Customization

Available

Capacity for Battery

>2600mAh

Compatible Brand

iPhone

Model NO.

1ICP5/91/67

Voltage

3.5-4.0V

Battery Type

Lithium-Ion Battery

Power Source

Electric

Certification

CE, PSE, MSDS/Un38.3

Socket Type of Charger

Packaging

Simple

Quality Inspection

100% Tested Before Shipment

Safety Protection

Overcharge, Over-Discharge, Overcurrent and Short-

Cell Grade

New a-Grade Cell

Warranty

12 Months

Cycle Life

≥800 Cycles Under Standard Test Conditions

Battery Function

No Pop up, No Error Message, No Tag on Flex, Genui

Compatible Model

iPhone 12 PRO Max

Transport Package

Individual Protective Bag and Neutral Box

Specification

3687mAh, 3.83V, 14.13Wh

Trademark

ESC/OEM/ODM

Origin

Guangdong, China

Key features

Diagnostic Battery Support: Designed to support normal battery status display after correct installation and configuration.

3687mAh Rated Capacity: Provides reliable power capacity for iPhone 12 Pro Max repair and refurbishment.

3.83V Stable Output: Designed according to the voltage requirements of the compatible mobile phone.

14.13Wh Rated Energy: Clearly marked energy specifications for product inspection and verification.

Integrated Diagnostic Flex: Convenient connector design for professional battery repair and installation.

Professional Repair Application: Suitable for repair shops, refurbishers, wholesalers, and parts distributors.

100 Percent Pre-Shipment Testing: Capacity, voltage, resistance, appearance, and basic performance are checked.

Reliable Li-ion Cell: Provides stable charging and discharging performance under normal operating conditions.

Wholesale and OEM Support: Custom labels, custom packaging, and mixed-model orders are available.

Factory Direct Supply: Suitable for sample evaluation, wholesale orders, and long-term distribution.

Company profile

High Repeat Buyers ChoiceSelf-brandedPatents AwardedFull Customization

Shenzhen Mingfeng Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.94h

About Our Factory & Business Background

AddressNo. 201-A181, Building B1, Phase II, Commercial Center, Longfeng Road, Longyuan Community, Longhua Street, Longhua District, Shenzhen City

Plant Area255 square meters

Registered Capital100,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity50 Pcs

Supply Chain Partners5

Our Production Capability & Technical Expertise

Main ProductsE-Bike Battery, Drone Battery, Power Tools Battery, Garden Tools Battery, Emotorcycle Battery, Golf Cart Battery, Forklift Battery, Marine Battery, LiFePO4 Battery

Our Industry Experience & Global Business Record

Year of Establishment2023-06-12

Main MarketsHongkong

Repeat Buyers Choice50%~80%

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:Which phone model is compatible with this battery?

This diagnostic replacement battery is designed for iPhone 12 Pro Max. Please confirm the exact phone model before ordering.

Q:What is the rated battery capacity?

The rated capacity is 3687mAh. The rated voltage is 3.83V, and the rated energy is 14.13Wh.

Q:What is the charging voltage?

The marked charging voltage is 4.45V. A compatible charging system and professional installation are required.

Q:What does diagnostic battery mean?

A diagnostic battery is designed to support normal battery status display after correct installation, configuration, and professional repair procedures.

Q:Will the battery automatically display normal status after installation?

Diagnostic functions may require professional installation, compatible repair equipment, and correct configuration. Results depend on the repair procedure and system compatibility.