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UNU DX Protective Battery Case For iPhone 4/4s

Double Your iPhone Battery Life!

Original Price: $59.95
Shipping: Add to Cart to See Price!

As one of the most protective battery case in the world, the DX battery case is designed to virtually double the usage time on your iPhone while still protecting your iPhone from any harzard.

  • Apple Certified 30-Pin Connector
  • Built-in Battery + Protective Case + Signal Problem Fix
  • Fully Support Charge and Sync with Case On
  • Smart Switch, Gain more control over charging to enhance Safety
  • Accurate LED power indicator, flashing when battery runs low
  • Perfectly design, offer a full protection only for iPhone 4
  • Battery Capacity: 1700mAh
  • Standby Time: > 210 Hours
  • Call Time: > 5 Hours (3G) / 10 Hours (2G)
  • Browsing Time: > 5 Hours (3G) / 7 Hours (WiFi)
  • Music Time: > 28 Hours
  • Video Time: > 7 Hours


  • Material Lithium Polymer
  • Capacity 1700mAh
  • Dimension 120×62×17 (mm)
  • Charging Time 3-4 hours

Condition: New

Warranty: 30 Days

What’s in the box:

  • Micro USB charging Cord
  • Elegant uNu retail package + Hard Shell Carrying Box
  • Micro Fiber screen cleaning cloth
  • Glossy battery case for iPhone 4/4s
  • Transparent Screen protector for iPhone 4/4s

Shipping Information:

  • Shipping Price: Add to Cart to See Price!
  • Estimated Delivery: between Jul 11 - Jul 21. (more info)
  • Return Policy: Returns available within 30 days (more info)
  • Ships To: U.S. (No Military Addresses)


Questions? We're Here to Help!

Our awesome customer service department is ready for your questions! Although we are a small company (26 of us total), we will do everything we can to answer your questions and take care of any problems.

Contact Tanga's Customer Service

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