A new Power Bank from Xiaomi with more charging capacity and suitable for laptops. If you need an external battery for extra charge when you’re on the go, this portable battery is for you. Here is this 20000mAh power bank. Carry it with you at all times so you can use it in an emergency. Connect it via normal USB or USB C for faster charging. The metal casing makes it sturdy but at the same time light and comfortable to carry around.