Mophie has announced the juice pack H2PRO for the iPhone 6. It’s the company’s first waterproof battery case and provides more than 100% extra battery life, says Daniel Huang, company co-founder and CEO.

In addition to waterproof protection, the juice pack H2PRO exceeds industry standards with top protection ratings, he adds. It’s equipped with a 2,750mAh rechargeable lithium-ion polymer battery that reportedly allows users to enjoy up to 14 additional hours of talk time, 10 additional hours of web browsing, 11 additional hours of video playback, and 50 additional hours of music playback.

Featuring mophie’s Priority+ charge and sync, the juice pack H2PRO allows the iPhone 6 to charge before the juice pack itself, and enables pass-through charge and sync while connected to a Mac or PC. It’sesigned with pass-through volume and power buttons, as well as mophie’s proprietary mute switch. The mophie juice pack H2PRO made for iPhone 6 is currently available for pre-order at mophie.com for US$129.95.