Please help, I want you please recommend a few of Power bank’s brand, series… clearly so I can use my Nano cortex with peace of mind. Thank you.
To power the Nano you would need to source 9-12V DC, 600 mA.
Are you using other pedals along with your Nano?
I have been able to power it with an Anker 10,000 mAh bank, an INUI brand 20,000 mAh battery bank and the DA’ddario bank that came with my XPND power supply. Anything that supports charging 20 watts and above seems to work fine.