This post introduces you how to check the Huawei Server Power Calculator in details. I hope this will be of help to everyone.
1. Log in to the power calculator tools:
http://support.huawei.com/onlinetoolsweb/ftpa/en
2. Select a product type. For example, blade servers, rack servers or and high-density servers.

3. Select a server model. For example, 1288H V5, 2288 V5.

4. Then step by step, select the CPU, Memory, Disk, RAID card and so on.
5. Click Calculate. You can obtain the power consumption calculation result; click Export to export the result.

Note:
Disclaimer
The power data provided by the Huawei Server Power Calculator is based on hardware measurements under typical operating conditions.
Workload differences greatly affect power consumption, even with the same CPU utilization. The calculation model cannot account for every variation in environmental and data center factors and therefore provides only reasonable estimates.
Huawei acknowledges the deviations in actual situations and does not claim or guarantee the absolute accuracy of the data provided. Users should calibrate the data with measurements of actual workloads.
Calibrate your data with actual workload measurements.