Exhibit 23.1




We consent to the inclusion in this Registration Statement of Roth CH Acquisition I Co. Parent Corp. on Form S-1 Amendment No. 2 [File No. 333-251034] of our report dated February 14, 2020, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audit of the financial statements of Roth CH Acquisition I Co. as of December 31, 2019 and for the period from February 13, 2019 (inception) through December 31, 2019, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our Firm under the heading “Experts” in such Prospectus.



/s/ Marcum llp


New York, NY

January 26, 2021