Dudao K11 Pro 20000 mAh Powerbank with Built-in Cables - Black Dudao K11 Pro is a practical 20000 mAh power bank that combines high performance and versatility. With four built-in cables (USB-A, USB-C, Lightning, and micro USB), it allows you to charge most devices without having to carry around additional cables. The slim and compact design makes it perfect for everyday use and travel. The powerbank is equipped with a safety system that protects the devices from overheating, overload and short circuits, guaranteeing safe and stable charging. It's a reliable source of energy that you can always have at hand. ~ Specification: Brand: Dudao Model: Dudao K11 Pro Battery Capacity: 20000mAh Battery Type: Lithium Polymer Maximum Power: 10W Input: Micro USB: 5V=2A (max 10W) USB-C: 5V=2A (max 10W) Built-in USB-A Cable: 5V=2A (max 10W) Output: USB-A: 5V=2A (max 10W) Built-in micro USB cable: 5V = 2A (max 10W) built-in USB-C cable: 5V = 2A (max 10W) built-in Lightning cable: 5V = 2A (max 10W) Number of supported devices at the same time: 4 Additional functions: built-in USB-A, USB-C, Lightning and micro USB cables, security system Color: black ~ Key advantages of Dudao K11 Pro power bank: 20000mAh capacity: sufficient power, to charge smartphones and other devices several times. Built-in 4 cables: USB-A, USB-C, Lightning and micro USB – always at hand, no extra cables. Compact design: easy to carry and convenient for daily use. Versatility: Up to 4 devices can be charged at the same time. Safe charging: overheating, overvoltage and short circuit protection system. ~ 20000mAh Large Capacity The 20000mAh lithium polymer battery allows you to charge your smartphone or tablet several times, providing power while traveling and working. Four built-in USB-A, USB-C, Lightning and micro USB cables – all the most important cables are always with you, without a tangle of additional accessories. The compact and convenient design of the Powerbank has a handy form, so it fits easily in a bag or backpack and does not take up much space. Charge multiple devices at the same time The ability to power up to 4 devices at the same time increases comfort and saves time. Security System Built-in protections protect devices from overheating, overvoltages and short circuits, guaranteeing complete charging safety.