Known more for their phones and laptops in the USA, Xiaomi also makes popular power banks. In the USA they support the ZMI brand. But retailers like Banggood make Xiaomi branded power banks available worldwide.
A large capacity, low output, budget power bank. It’ll charge the Switch while you play, and provide more playtime than smaller 18W models. But is bigger and heavier than necessary. And not well refined.
A laptop friendly power bank with a USB hub function. Good for iPhone and Android, tablets, Nintendo Switch, and up to 13-inch laptops. Includes cables and a pouch.
A wide, but slim high capacity power bank. Normal charges all USB-C phones, but no fast charge support. Also good for Nintendo Switch and small accessories. Great value for the capacity.
A high output and input power bank with USB-C PD and Quick Charge. Good for iPhone and Android, tablets, Nintendo Switch, and up to 13-inch laptops. Includes cables.