PhoneSuit Flex XT Pocket Charger for iPhone 6 and iPhone 6 Plus External Battery Pack Works with Most iPhone Cases - MFI (Black) Powerful rechargeable battery: The high capacity 2600mAh battery can fully recharge your iPhone and have plenty left over. Get up to 150% Charge Quick charge features: Fully charge your iPhone in less than 2 hours. Simultaneous charging means both Flex and iPhone are fully charged for your daily use. Extended lightning tip: The Flex securely connects to your iPhone and charges without wires. The extended tip allows it to work great with many existing iPhone cases. Touch button status meter: Seamless electrostatic touch button has no moving parts. Just swipe your finger to view the remaining charge. Will work with most iPhone cases