The ECO Power Case for the iPhone 4/4S is a protective case with a built-in battery that doubles your phone's standard battery life. Its low-profile design is lightweight and portable. LED lights on the back of the case clearly display the case's power level — and the unique ON/OFF button lets you conveniently switch the case on and off as needed. It's a perfect emergency backup power source for your iPhone!


Special Features:
• Lightweight & Durable Design
• Extends Battery Life
• LED Battery Indicators
• Access to All Buttons & Features
• Charging & Data Syncing Capabilities
• Includes Micro USB Charging Cable

Specifications:
• Capacity: 1900mAh
• Input: 5V
• Output: 5V
• Protection: Short Circuit/Overcharge
• Dimensions: 124 x 65 x 18 mm
• Battery Type: Lithium Polymer
• Weight: Approximately 69g


              


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