120% to the battery life on your iPhone 5.
Back in February, Mophie introduced the Mophie Juice Box Air which features a 1700mAh cell for the Apple iPhone 5 and is now priced at $100. This case doubles the battery life on your iPhone 5. The Mophie Juice Box Helium is equipped with a 1500mAh battery for the Apple iPhone 5, and is priced at $80. This model gives you an additional 80% of battery life.
The Mophie Juice Box Plus will be available in black, white and PRODUCT (RED). The black unit ships in one to two days while the white unit starts shipping on May 22nd. The PRODUCT (RED) model will start shipping on May 31st and 5% of the sales from that model will be donated to the Global Fund to help eliminate AIDS.
source: Mophie via Pocketlint