How to modify user name of End User Account on server.growatt.com
If you want to modify end user account username on server.growatt.com, you have to know that it can’t be modified. Although we can update database, but we can’t do that because of personal requirements. So you must create new end user account, and add datalogger into new account.

Solution
Register new account on server.growatt.com, then add your datalogger into new account
