Spyder Digital Battery Charger Case for iPhone 6+/6S+, Unibody Design Water Resistant, Shockproof and Antimicrobial Protection - Black Compatible with the iPhone 6 Plus/6S Plus The thinnest iPhone battery case in its class; unibody design means no more Bending, breaking or lost pieces. Battery capacity of 2750 which is even higher than the iPhone's own battery capacity of 1810Mah Water resistant, shockproof, dustproof and Antimicrobial Battery provides 8 hours of Talk, 11 hours of video, 44 hours of music