Hi, 

PowerStore 1000T require High Line power supply input voltage (220–240v). Connect to High Line power or use step-up transformer should resolve the issue. 

You can refer to below link for more information about power requirements:

https://www.dell.com/support/manuals/en-us/powerstore-1000t/pwrstr-hwg/power-requirements-for-powerstore-x-model-and-powerstore-t-model?guid=guid-21e142df-e22c-4bbc-8978-7c6124753654&lang=en-us