Its less than 100Wh so you're talking rubbish. Amp/hour is meaningless when not taking into account voltage. It literally says in the article you can take it on a plane.
Despite its compact measurements, the Xiaomi Powerbank 25000 features a huge battery with a capacity of over 90 Wh. In addition, the powerbank from Xiaomi delivers lighting-fast charging speeds of up to 212 watts and 140 watts of single-charge power, meaning you can also use it to charge laptops.