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iPhone 14 Diagnostic Battery Replacement 3279mAh Li-ion Battery Supplier

iPhone 14 Diagnostic Battery Replacement 3279mAh Li-ion Battery Supplier






Why Choose our iPhone 14 Diagnostic Battery?

We are a professional lithium battery manufacturer providing factory-direct supply, OEM/ODM customization, stable quality control, and bulk battery solutions for global repair businesses, distributors, and electronic service providers.

Factory Direct Battery Supply

Factory-direct manufacturing ensures competitive wholesale pricing, stable production capacity, and reliable long-term supply for global repair businesses.

OEM & Custom Battery Solutions

Support OEM logo printing, customized packaging, private-label branding, barcode labels, and tailored battery solutions for distributors and brands.

Reliable Quality Control

Every battery undergoes capacity testing, voltage verification, charging and discharging tests, safety inspection, and final quality control before shipment.

Professional Repair Market Support

Designed specifically for smartphone repair shops, refurbishment companies, wholesalers, distributors, and aftermarket service providers.

Global Shipping Capability

Professional export packaging and worldwide logistics support with the required battery transportation documents for international markets.


Quick Specifications

Item Specification
Battery Type Lithium-ion Polymer Battery
Compatible Model iPhone 14
Capacity 3279mAh
Nominal Voltage 3.87V
Energy 12.69Wh
Battery Model iPhone 14 Diagnostic Battery
Battery Application Smartphone Replacement Battery
Quality Control Capacity Test / Charging Test / Safety Inspection
Certification CE, RoHS, UN38.3 (Available)
MOQ Negotiable
Lead Time 7–15 Working Days (Depending on Quantity)
Warranty 12 Months
Shipping Method Air Freight / Express / Sea Shipping

iPhone 14 battery replacement

What Is the iPhone 14 Diagnostic Battery?

The iPhone 14 Diagnostic Battery is a high-quality lithium-ion replacement battery designed for smartphone repair professionals and refurbishment businesses. It provides stable power performance with a 3279mAh capacity and a nominal voltage of 3.87V. Manufactured under strict quality control, this replacement battery supports OEM supply, wholesale purchasing, and customized battery solutions for global repair channels.


Key Features

1. Diagnostic Battery Compatibility

Designed specifically for iPhone 14 repair and replacement applications with excellent compatibility.

2. Stable Lithium Battery Performance

High-quality lithium-polymer cells provide reliable capacity, stable voltage output, and consistent charging and discharging performance.

3. Professional Repair Solution

Ideal for smartphone repair shops, refurbishment companies, mobile device service providers, and electronics distributors.

4. OEM & Bulk Supply Support

Supports wholesale purchasing, OEM branding, private-label packaging, and customized battery solutions for B2B customers.

5. Strict Quality Inspection

Every battery is tested for voltage, capacity, charging performance, safety, and overall functionality before shipment.


Compatible Models

Device Model Battery Type Capacity
iPhone 14 Diagnostic Lithium Battery 3279mAh

Applications

Smartphone Repair & Replacement Market

This iPhone 14 diagnostic battery is widely used for:

  • Mobile phone repair shops

  • Smartphone refurbishment businesses

  • Electronics distributors

  • Replacement battery wholesalers

  • OEM/private-label battery brands

  • Aftermarket repair service providers


iPhone 14 Original Battery vs Replacement Battery Comparison

Comparison Original Battery AOVOLT Replacement Battery
Battery Type Lithium-ion Polymer Lithium-ion Polymer
Application iPhone 14 Factory Battery iPhone 14 Repair Replacement
Capacity 3279mAh 3279mAh
Voltage 3.87V 3.87V
Supply Channel Device Manufacturer Factory Direct Supplier
MOQ Limited Availability Flexible Wholesale MOQ
Customization Not Available OEM Label & Packaging Support
Quality Control Factory Standard Capacity & Safety Testing
Business Usage Individual Replacement Repair Shops & Distributors

FAQ

1. What battery model is compatible with this replacement battery?

This diagnostic battery is designed specifically for iPhone 14 replacement applications.

2. What is the capacity of the iPhone 14 replacement battery?

The battery has a capacity of 3279mAh, a nominal voltage of 3.87V, and an energy rating of 12.69Wh.

3. Is this battery suitable for repair shops?

Yes. It is designed for professional repair shops, refurbishment companies, smartphone service providers, and electronics distributors.

4. Do you provide wholesale battery supply?

Yes. We support bulk orders for distributors, repair channels, wholesalers, and other B2B customers worldwide.

5. Can you provide OEM branding?

Yes. We provide OEM/ODM services including custom logos, labels, packaging, private-label branding, and customized battery solutions.

6. How do you ensure battery quality?

Each battery undergoes capacity testing, voltage testing, charging and discharging verification, safety inspection, appearance inspection, and final quality control before shipment.

7. What certifications are available for the battery?

Available certifications include CE, RoHS, and UN38.3, with additional documentation provided according to customer and destination market requirements.

8. What is the minimum order quantity?

MOQ is flexible and can be negotiated based on order quantity, customization requirements, and project needs.

9. How long is the delivery time?

The standard production lead time is 7–15 working days, depending on order quantity and customization requirements.

10. Do you ship internationally?

Yes. We provide worldwide shipping through express delivery, air freight, and sea freight, supported by professional export packaging and international logistics services.

我们的工厂

自2016年以来,ESC一直为B2B买家提供更换电池和充电产品。我们为 iPhone、Android 手机、平板电脑和笔记本电脑提供 3,000 多种型号,最小起订量灵活,交货时间在 7 天内,客户报告的缺陷率低于 1%。自2022年起,我们开发了具有广泛协议兼容性和热控制能力的自模快充移动电源。 ESC 为品牌商、批发商、翻新商和维修连锁店提供 OEM/ODM、认证和生产服务。

电调生产流程1
电调生产流程2
电调生产流程3
电调生产流程4
电调生产流程5
电调生产流程6

我们的证书

ESC证书1
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OEM 和 ODM 电池订购流程

  1. 01

    客户查询及需求确认

    确认电池型号、容量、数量、目标市场、认证和定制要求。

  2. 02

    报价

    根据产品规格、订单数量、包装和交货要求提供详细报价。

  3. 03

    定制详情确认

    确认定制标签、条形码、丝网印刷图稿、徽标印刷、包装和其他品牌细节。

  4. 04

    订单确认

    确定产品规格、数量、单价、付款条件、交货时间表和运输方式。

  5. 05

    押金支付

    客户支付约定的定金,以便安排材料和生产。

  6. 06

    生产安排

    安排材料准备、电池组装、质检、老化测试、包装和订单完成。

  7. 07

    余款支付

    客户在生产完成并确认订单详情后支付余款。

  8. 08

    发货

    根据目的地和订单要求,安排经批准的空运、海运、铁路或快递渠道发货。

  9. 09

    交付和收货跟进

    提供货运文件和跟踪信息,并跟进直至客户收到货物。

  10. 10

    24/7 售后支持

    交付后提供快速响应的技术援助、质量问题分析和售后解决方案。

如何选择可靠的更换电池供应商

在购买智能手机、平板电脑或笔记本电脑替换电池之前,评估电池质量、测试能力、组装细节、生产一致性和安装支持。

验证电池型号覆盖范围和兼容性

选择一家覆盖范围广泛的智能手机、平板电脑和笔记本电脑电池供应商。订购前请确认原始电池代码、设备型号、连接器位置、尺寸、额定电压和系统兼容性。

拥有已建立模型数据库的供应商可以减少错误发货、安装问题和兼容性相关的退货。

1

检查电池和电子元件的质量

电池质量始于原材料。询问供应商:

  • 电池制造商和等级
  • 实际电池容量
  • 电池循环寿命
  • PCB和保护芯片解决方案
  • 连接器和柔性电缆质量
  • 关键组件的可追溯性

可靠的供应商应该使用分级电池,而不是仅按照最低价格选择组件。

2

审查来料检验和电池分级

电池应根据以下条件进行测试和分组:

  • 容量
  • 电压
  • 电压
  • 内阻
  • 自放电
  • 厚度和尺寸
  • 外观

正确的电池分级可提高同一生产批次电池之间的一致性,并减少异常运行时间、膨胀和早期故障。

3

需要完整的电气和兼容性测试

专业供应商应该测试的不仅仅是开路电压。质量验证应包括:

  • 充放电性能
  • 实际容量
  • 电池电流
  • 保护功能
  • 循环次数和电池数据
  • 电量表参数
  • 设备兼容性
  • 温度性能

专业电池测试仪可以进行充电、放电、电流校准和精确的参数比较,帮助识别测量数据与认可规格不符的电池。

4

评估自动化和生产一致性

自动化生产流程通常比大量手工组装提供更好的一致性和更高的产能。

重要流程可能包括:

  • 自动电池分选
  • 自动焊接
  • 自动 PCB 测试
  • 自动粘合剂应用
  • 条形码可追溯性
  • 在线功能检查

自动化不会取代质量控制,但它有助于减少手动定位、焊接和组装造成的变化。

5

检查装配细节

小组装细节对安装效率和产品可靠性有重大影响。

精加工的电池应包括:

  • 预涂电池粘合剂
  • 防尘保护膜
  • 柔性电缆周围的保护套
  • 固定柔性电缆位置
  • 稳定的连接器方向
  • 电池无松动或移动电缆
  • 干净的边缘和精确的尺寸

这些细节减少了柔性电缆损坏、灰尘污染、安装移动和不正确的连接器对准。

6

确认过程和最终质量检验

供应商应在整个生产过程中进行检查,而不仅仅是检查成品。

建议的检查点包括:

  • 来料检查
  • 电池分级
  • PCB和BMS测试
  • 焊接检查
  • 组装检查
  • 容量测试
  • 老化测试
  • 外观检验
  • 包装检验
  • 最终抽检

询问检验数据是否可以追溯到生产批次。

7

比较容量声明、缺陷率和认证

不要仅根据最高印刷容量来选择电池。

可靠的供应商应提供:

  • 测试容量数据
  • 明确的额定电压和能量
  • 客户报告的缺陷率
  • 保修政策
  • CE、RoHS、FCC、MSDS 和 UN38.3 文档(如果适用)
  • 特定型号的认证支持

夸大容量标签而不匹配电池空间、重量和测试数据是一个重大的购买风险。

8

遵循正确的电池安装程序

即使是合格的电池,如果安装不正确,也可能会出现故障。

安装前:

  • 将原装电池放电至 25% 以下
  • 关闭设备电源
  • 使用非金属开启工具
  • 在处理其他内部组件之前先断开电池
  • 避免刺穿、弯曲或挤压电池
  • 撕下粘合剂上的保护膜正确对齐电池和连接器,然后将其压入到位
  • 确认柔性电缆没有折叠、拉伸或卡住
  • 将螺钉和支架重新安装到原来的位置
  • 在最终密封之前测试充电、电池识别和设备功能

安装指南特别警告,充电的锂离子电池如果刺穿可能会着火或爆炸,并指示技术人员在安装之前关闭手机电源反汇编。

9

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