Can 50000 mA mobile power supply be taken on the train?

The epidemic prevention policy for Suzhou is as follows: 1. For those who have lived in cities with medium and high risk areas or cities with local epidemic reports, they should actively register their personal epidemic prevention and control information through the "information registration platform for those who have come (returned) to Jiangsu", report to the destination unit, community (village) or hotel in advance, and actively cooperate with the implementation of management measures such as nucleic acid detection and health monitoring upon arrival. 2. Strictly implement the "77" health management measures for people coming from counties (cities, districts) to (returning to) the Soviet Union in high-risk areas or local areas, that is, centralized isolation for 7 days and home health monitoring for 7 days (single room). 3. Strictly implement the "77" health management measures for those who have had rail contact with infected people in COVID-19 within 0/4 days, that is, centralized isolation for 7 days and home health monitoring for 7 days (single room). 4. 1 nucleic acid test shall be carried out within 48 hours after arrival in Suzhou for those who come (return) to Suzhou from low-risk areas outside the province. 5. People who come (return) to Suzhou in low-risk areas in the province can flow in an orderly manner after arriving at the communities, units, hotels and restaurants where they live.