JEMMA 20000M Power Bank Portable Charger for iPhoneX 8 7, iPad 12000mAh-White UItra-High Capacity:Our power bank can charge iPhone 7 up to 6 times,Equivalent to 6 iPhone batteries. It is powerful enough to give you up to 84 hours of additional talk time. UItra-Compact:Same power, half size,unmatched reliability.It is slim as a bank card,your best choice for your pocket. UItra-Light:It adopts the Polymer Battery(the safest battery type so far),20% the size and and 30% the weight of other batteries,no burden for you. UItra-Thin:Cased in a fresh anodized finish with aluminum alloy from the same manufacturing standard as Apple's products,but also has the same cell with iPhone 6s. 4 LED Lights:It clearly show battery left , so you can check how much I have left, and if it will last the day for you.