The MiLi Power King is the world's largest external battery with an amazing 18,000mAh capacity. It lets you charge hundreds of devices, coming with micro USB, many adapter tips for laptops, smart and iPhones, and digital cameras. Of course, the King has the capability of charging several devices at once. It can offer 6 hours for a laptop, up to 7,000 additional photos for a digital camera, 540 hours of audio, and 112 hours of talk time. All that power and the King is still compact and portable, coming with its own travel pouch- no need to bring a charger out with you again.

Specifications:

• Capacity: 18000mAh; Input: DC 19V/3.5A (max); Output: DC 16-20V/3.5A (max); DC 9-12V/2A (max); USB 5V/1A or 2.1A (max). Self-charging time: 4hours
• Provides nearly 100 percent backup power for laptops
• The piano-like coating finish adds to the aesthetic appeal.
• Provides nearly twice the capacity of a tablet
• Supports simultaneous charging of a mobile phone and a laptop