Valued Alibaba Cloud users, the public preview and free trial of Network Load Balancer (NLB) have ended. Starting on November 16, 2022, NLB will be available for commercial use and you will be charged for using NLB.
To help you better understand the features of Alibaba Cloud NLB, you are not charged NLB instance fees before September 30, 2023.
If you created NLB instances during the public preview or free trial and have not released the NLB instances, you will be charged for the NLB instances based on the number of Load Balancer Capacity Units (LCUs) that are consumed. NLB provides SLA guarantees. Your service will not be affected. We recommend that you view the changes in your bills.
Billing
Total fees for NLB include instance fees, LCU fees, and Internet data transfer fees. Before September 30, 2023, you are not charged instance fees. You are charged only LCU fees and Internet data transfer fees. You are not charged Internet data transfer fees if you use internal-facing NLB instances. 
For more information about the unit prices and billing rules of NLB, see NLB billing rules.