Charging specialist Mophie has launched anticipated Juice Pack battery cases for the iPhone 6 and 6 Plus. For the iPhone 6 buyers have access to the Juice Pack Air or the Juice Pack Plus. Both come in black, white, or gold colors. The Air is a $100, 2,750mAh model that doubles battery life; the Plus costs $120, and boosts longevity by 120 percent while also adding an "impact isolation system" that protects against more severe hits.