EXHIBIT 23.2 THE LAW OFFICE OF STEPHEN E. ROUNDS 4536 EAST EIGHTEENTH AVENUE DENVER, COLORADO USA 80220 T. 303.377.6997 F. 303.377.0231 SEROUNDS@QWEST.NET ADMIN. OFFICE T. 307.856.2467 F. 370.857.0319 E-MAIL: SRA@WYOMING.COM May 22, 2001 OnLine Power Supply, Inc. 6909 S. Holly Circle Suite 200 Englewood, Colorado 80112 Re: Registration Statement on Form S-8 Stock Option Plan for Non-Executive Directors Initial Filing Gentlemen: I hereby consent to the filing of my opinion to the registration statement on Form S-8. However, I do not admit that I am in the category of those persons whose consent is required to be so filed by Section 7(a) of the Securities Act of 1933. Yours Sincerely, /s/ Stephen E. Rounds 9