Xiaomi unveiled its largest power bank yet, the Mi Power Bank 3 with 30,000mAh capacity. That's enough to charge a phone like the Xiaomi Mi 10 (4,780 mAh) 4.5 times or something smaller like the new iPhone SE (1,821 mAh) over 10 times. The bank has two full-size USB-A ports, one USB-C and one microUSB. You can get 18W output from the USB-A and USB-C ports. The battery also has a low-current mode for small gadgets (e.g. smartwatches or Bluetooth earbuds) which have trouble charging from some power banks - this mode can be accessed by tapping the power button twice. The Xiaomi Mi...
Source: https://www.gsmarena.com/xiaomi_mi_power_bank_3_unveiled_with_30000_mah_capacity_18_w_output_and_24_w_input-news-43742.php