Update: September 29, 2021 – After the successful crowdfunding, Xiaomi today announced that the Mi Power Bank Hypersonic 20000mAh (50W) will go on open sale in India from October 3rd on Amazon.in, Flipkart, mi.com, Mi Home stores and retail stores at an introductory price of Rs. 3599. Continue reading “Mi Power Bank Hypersonic 20000mAh (50W) with 45W PD laptop charging to go on open sale in India from Oct 3 for Rs. 3599”