Exhibit 21

SUBSIDIARIES OF C&D TECHNOLOGIES, INC.

1. C&D Charter Holdings, Inc., incorporated under the laws of the State of Delaware

2. C&D International Investment Holdings, Inc., incorporated under the laws of the State of Delaware

3. C&D Holdings Limited, organized under the laws of the United Kingdom

4. C&D Components Hong Kong, Limited, organized under the laws of Hong Kong, China

5. C&D Technologies (UK) Limited, organized under the laws of the United Kingdom

6. C&D Technologies (HK) Limited, organized under the laws of Hong Kong, China

7. C&D Technologies (Italia), S.r.l., organized under the laws of Italy

8. Shanghai C&D Battery Company, Ltd., joint venture organized under the laws of China

9. C&D Technologies Reynosa, S. de R.L. de C.V. organized under the laws of Tamaulipas, Mexico

10. C&D Tech (Singapore) Pte. Ltd., organized under the laws of Singapore