EnerSys

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose name appears below hereby appoints David M. Shaffer and Andrea J. Funk and each of them, as his true and lawful agent, with full power of substitution and resubstitution, for him and in his, place or stead, in any and all capacities, to execute any and all amendments to the within annual report, and to file the same, together with all exhibits thereto, with the Securities and Exchange Commission, granting unto each said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that each said attorney-in-fact and agent may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this annual report has been signed below by the following persons in the capacities and on the dates indicated: