The ZVOLTZ ZT6 Battery Case is the essential power accessory for your iPhone 6/6s Plus.
With the ability to double your battery life and added comprehensive protection, you’ll never have to work about your Apple iPhone again.

PRODUCT FEATURE:

• The powerful 4000mAh built-in lithium polymer battery
• Fully protective hardshell case with removable bumper
• Featuring sync-through technology
• LED battery level indicator, and conveniently placed cutouts for all buttons and ports.

PRODUCT SPECIFICATION:

• Battery type: Li-polymer
• Capacity: 3.7V/4000mAh
• Input: 5V / 1A (Max)
• Output: 5V / 1A