Polanfo 20000M Power Bank 12000mAh External Battery for iPhoneX 8 & Tablets(Gold) Cyber Monday advance purchase, you can avoid Express Delivery crowded, send it as a gift in time. 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. Smart Digital LED:It shows remaining power in digital forma,no guesswork was required.90% of all other power banks never have this feature.