Power up to three devices at one time with the Keysmart Ultimate Charger. This impressively powerful gadget boasts a 20,000 mAh battery capacity, which can power up your laptop and two other devices at once. With its Lightning USB port, Micro USB port, and Type-C port, it can deliver juice to three gadgets simultaneously. Amazingly, you can recharge this portable laptop charger in just 1.25 hours. Plug it in using a USB-C cable, and it’ll recharge in no time. Moreover, when it has a full battery, it charges a laptop once, a tablet twice, and a phone up to 7 times. Super lightweight, its metal shell fits into your laptop bag with ease. Furthermore, it is just about half an inch thick and weighs only a pound, so you’ll hardly notice the Keysmart Ultimate Charger in your bag.