Power Bank 20000mAh 4A Input 2-Port, VIVIS Portable Battery 5A Output 2-Port, Li-Polymer External Battery Pack Charger for iPhone, iPad, Samsung Galaxy, Tablet and More 20000mAh External Battery Pack Charger: the compact small size, thinness (14.15 x 8.6 x 1.7 cm) and light weight (11.9 oz) mean it fits in your pocket. Charge your iPhone 6s 7 times,Galaxy S6 more than 5 times or the iPad mini twice The Portable Power Bank have 4A 2-PORT INPUT & 5A 2-PORT QUICK OUTPUT: It can be charged up in 7 hours with 2 adapters (5V/2A) or 12 hours with 1 adapter (5V/2A), 2 USB input ports (2A & 2A) reduce the recharging time by up to 50%. It also can charge 2 iPad Airs simultaneously. Intelligent Quick Charger Technology(does not support Qualcomm Quick Charge) Automatically adjusts current and voltage to minimize charging time, reducing charge time by 50% compare with common power bank. The Battery Pack charger bulit-in Pure Co Li-Polymer Core, more than 1000 times recycle use, which is twice of the common core( less than 500 times ). Luxury Leather Case Appreance & Gold Rim Design; Unique Slide Button, supports sliding to turn it on and off, just sliding from left to the far right to turn it on before using. Wide Compatibility & Service: iPhone 7 Plus 7 6s Plus 6S 6 5S 5C 5 4S 4 / iPad Air Mini / Samsung S7 Edge S6 Edge S6 Note 5 / HTC / LG / Motorola / BlackBerry / Nokia Lumia / Google Nexus / Sony Xperia/ Huawei / Kindle AND MORE. LIFETIME friendly customer service