Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-89473, 333-23091, 333-39493, 333-54018, 333-54026, and 333-71548) of our report dated April 28, 2003, except for Note 4, as to which the date is January 22, 2004, relating to the consolidated financial statements of Drexler Technology Corporation which appears in the Current Report on Form 8-K dated January 23, 2004. /s/ PricewaterhouseCoopers LLP San Jose, California January 22, 2004