Compact and elegant, PowerBar is capable of extending the battery life of your mobile devices. With the string included, you can hang it on your bag and keep it reachable at all time. Stay charged on-the-go with The Kase PowerBar! Specification - Capacity: 2200mAh - Cell type: Lithium-ion - Input: Micro USB 5V DC/1A - Output: USB 5V DC/1A With your Apple iPhone 6 (1 810 mAh), you can have up to 120% extra battery. With your Apple iPhone 5/5S (1 440 mAh), you can have up to 150% extra battery. With your Apple iPod touch 5 (1030 mAh), you can have up to 210% extra battery.