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Premium Phone Battery Cases & Wireless Charging Solutions

High-capacity, ultra-slim, and durable battery cases for iPhone, Samsung, Huawei, and Android devices. Trusted by global partners for quality and performance.

Explore Products Visit Official Website

Trusted Battery Case Manufacturer from China

Shenzhen Jin Yun Xin Technology Co., Ltd is a leading manufacturer of mobile phone battery cases and electronic accessories. With years of experience in R&D and production, we deliver high-performance, safe, and stylish charging solutions for smartphones worldwide.

Our products are designed for professionals, travelers, and everyday users who demand extended battery life without compromising on design or portability. We serve clients in over 50 countries with OEM/ODM support and fast delivery.

UL94V-0 Flammability Rated | CE, FCC, RoHS Certified
Wireless Charging Case
150K+
Units Shipped Annually

Our Top Products

Discover our best-selling battery cases with high mAh capacity, wireless charging, built-in stands, and ultra-slim designs.

Samsung Battery Case with Folding Stand

Samsung Battery Case with Folding Stand

4200mAh External Charging Case for Galaxy S5

  • Built-in folding stand
  • 4200mAh high-capacity battery
  • Fast charging support
Get Best Price
Wireless Charging Case 7500mAh

Wireless Charging Case 7500mAh

For iPhone 6 Plus / 6s Plus

  • Qi wireless charging compatible
  • Adds up to 3x battery life
  • Lightweight & slim design
Get Best Price
External Backup Android Battery Case

External Backup Android Battery Case

4200mAh for Samsung Galaxy S6/S6 Edge

  • High-efficiency charging circuit
  • Overcharge & short-circuit protection
  • TPU+PC durable material
Get Best Price
7500mAh iPhone Power Pack Case

7500mAh iPhone Power Pack Case

With 3-Hour Full Charging Time

  • Charges iPhone in just 3 hours
  • 500+ charge cycles lifespan
  • LED power indicator
Get Best Price
Android Wireless Charging Case

Android Wireless Charging Case

For Samsung Galaxy S7 / S7 Edge

  • Qi wireless charging supported
  • 4000mAh extended battery
  • Slim and pocket-friendly
Get Best Price
Huawei Mate 8 Mobile Charging Case

Huawei Mate 8 Charging Case

With Built-in Stand & 4500mAh

  • Integrated kickstand for media
  • High-density lithium-polymer cell
  • Full port access
Get Best Price
Ultra Thin iPhone Battery Case

Ultra Thin iPhone Battery Case

For iPhone 7, 4000mAh Wireless

  • Only 13mm thickness
  • Wireless charging compatible
  • Premium TPU material
Get Best Price
Vivo X7plus Power Bank Case

Vivo X7plus Power Bank Case

8000mAh with Stand & Ring Holder

  • Massive 8000mAh capacity
  • 360° rotating ring holder
  • Ideal for gaming & streaming
Get Best Price
View All 100+ Products

Why Choose Our Battery Cases?

High Capacity & Fast Charging

Our cases offer 4000mAh to 8000mAh capacity with efficient charging circuits that deliver up to 3x battery life in just hours.

Advanced Safety Protection

Equipped with overcharge, over-discharge, short-circuit, and temperature control systems for safe and reliable performance.

500+ Charge Cycles

High-quality lithium-polymer cells ensure long lifespan and consistent performance over hundreds of charge cycles.

Wireless Charging Support

Many models support Qi wireless charging — simply place on any wireless charger without removing the case.

Ultra-Slim & Lightweight

Engineered for minimal bulk — adds power without sacrificing portability or pocketability.

Global Compliance

All products meet CE, FCC, RoHS, and UL94V-0 flammability standards for international markets.

150K+
Units Shipped
50+
Countries Served
99.2%
Customer Satisfaction
10+
Years Experience

What Our Clients Say

"Their service is professional and the quality of the products is very good. Nice cooperation! We appreciated for your company's kind support on our project."

C
Carlos
Brazil

"Your sales and engineers and designers all very nice and professional, if not for their help, we would never solve our problems so quickly."

D
Daniel
USA

Frequently Asked Questions

Do your battery cases support wireless charging?

How long does the battery last?

Are your products certified?

Can I get custom designs or branding?

What is the warranty policy?

Ready to Partner With Us?

Contact us today for wholesale pricing, custom orders, or product inquiries.

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