Lizone 50000mAH Extra Pro External Battery Charger for Apple MacBook, MacBook Pro, MacBook Air, USB QC Charger for Apple New MacBook 12 iPad iPhone 6 6S Plus 5S 5C 5 4 Samsung HTC & More, Black Exclusive lizone QC technology: detects your device to deliver its fastest possible charge speed up to 6.6 amps High capacity: charge MacBook pro 13-inch approach 2.5 times, MacBook pro 15-inch 2.0 times, MacBook pro 17-inch 1.5 times Incredibly compact: standard size (9  4.6  0.8 inch, 25oz ) it fits perfectly in your pocket The lizone advantage: join the 5 million plus powered by our leading technology With dc and USB port for laptops or smartphones