Exhibit 21.1

ENERSYS

Subsidiaries

	EnerSys Argentina S.A.	Argentina
	EnerSys Australia Pty Ltd.	Australia
	ICS Industries Pty Ltd.	Australia
	ICS Sheet Metal Pty Ltd.	Australia
	Alpha Technologies Pty. Ltd.	Australia
	EnerSys GmbH	Austria
	EnerSys Belgium BV	Belgium
	EnerSys Brasil Ltda.	Brazil
	EnerSys Participacoes Ltda.	Brazil
	Industrial Battery Holding Ltda.	Brazil
	Alpha Innovations Industria e Comercio de Produtos Eletronicos Ltda.	Brazil
	EnerSys Bulgaria EOOD	Bulgaria
	EnerSys Canada Inc.	Canada
EnerSys Evolution Limited		Canada
	Alpha Technologies Ltd.	Canada
	EnerSys Cayman Euro L.P.	Cayman Islands
	EnerSys Cayman Holdings L.P.	Cayman Islands
	EnerSys Cayman Inc.	Cayman Islands
	YCI, Inc.	Cayman Islands
	EnerSystem Chile Ltda.	Chile
	EnerSys (China) Huada Batteries Company Limited	China
	EnerSys (Chongqing) Huada Batteries Company Limited	China
	EnerSys (Yangzhou) Huada Batteries Co. Ltd.	China
	EnerSys, s.r.o.	Czech Republic
	EnerSys A/S	Denmark
	EnerSys Europe Oy	Finland
	EnerSys SARL	France
	Hawker GmbH	Germany
	EnerSys AE	Greece
	EnerSys Asia Limited	Hong Kong
	EnerSys Hungária Kft.	Hungary
	EnerSys Battery Private Limited	India
	EnerSys India Batteries Private Ltd.	India
	Alpha Tech Energy Solutions India Private Limited	India
	EnerSys S.r.l.	Italy
	EnerSys Holdings (Luxembourg) Sarl	Luxembourg
	EnerSys (Luxembourg) Finance Sarl	Luxembourg
	EnerSys Malaysia Sdn Bhd	Malaysia
	UTS Holdings Sdn Bhd	Malaysia
	UTS Technology (PG) Sdn Bhd	Malaysia
	EnerSys de Mexico, S de R.L. de CV	Mexico

EnerSys de Mexico II, S de R.L. de CV	Mexico
Powersonic, S de R.L. de CV	Mexico
Yecoltd, S. de R.L. de CV	Mexico
Batterias Hawker de Mexico S. de R.L. de C.V.	Mexico
Alpha Mexico Network Power S.A. de C.V.	Mexico
Riverfront Holding S. de R.L. de C.V.	Mexico
Alpha Innovations Mexico S. de R.L. de C.V.	Mexico
ENAS Industrial Batteries Morocco Sarl	Morocco
EnerSys AS	Norway
EnerSys sp. z o.o.	Poland
EnerSys JSC	Russia
Battery Power International Pte Ltd.	Singapore
EnerSys Reserve Power Pte. Ltd.	Singapore
EnerSys South East Asia Pte. Ltd.	Singapore
NaviSemi Energy Pte Ltd.	Singapore
EnerSys, s.r.o.	Slovak Republic
Acumuladores Industriales EnerSys SA	Spain
EnerSys AB	Sweden
N Holding AB	Sweden
EH Batterien AG	Switzerland
EH Europe GmbH	Switzerland
EH Global Holdings GmbH	Switzerland
EH Swiss Holdings GmbH	Switzerland
EnerSys BV	The Netherlands
Enersys Akü Sanaya Dis Ticaret Limited Sirketi	Turkey
EnerSys LLC	Ukraine
ABSL Power Solutions Ltd.	United Kingdom
EnerSys Holdings UK Ltd.	United Kingdom
EnerSys Ltd.	United Kingdom
NaviSemi Inc.	California
ABSL Power Solutions Inc.	Delaware
EnerSys Advanced Systems Inc.	Delaware
EnerSys Capital Inc.	Delaware
EnerSys Delaware Inc.	Delaware
EnerSys Delaware LLC I	Delaware
EnerSys Delaware LLC II	Delaware
EnerSys Delaware LLC III	Delaware
EnerSys Delaware LLC IV	Delaware
EnerSys Delaware LLC V	Delaware
EnerSys Energy Products Inc.	Delaware
EnerSys Evolution LLC	Delaware
EnerSys Finance LLC	Delaware
EnerSys European Holding Co.	Delaware
EnerSys Mexico Holdings LLC	Delaware
EnerSys Mexico Management LLC	Delaware
Esfinco, LLC	Delaware
Hawker Powersource, Inc.	Delaware
Hawker Power Systems, Inc.	Delaware

Purcell Systems, Inc.	Delaware
Quallion LLC	Delaware
Alpha Technologies Services, Inc.	Nevada
New Pacifico Realty, Inc.	Nevada