An electrically driven industrial vehicle comprising: a vehicle body composed of a revolving body attached on a traveling body (5, 7) so as to be able to turn horizontally via a revolving mechanism; an implement for receiving a hydraulic drive force and operating, the implement being attached to said revolving body; and a hydraulic drive force generating unit for generating the hydraulic drive force for operating said implement, the hydraulic drive force generating unit being provided at said revolving body; wherein said hydraulic drive force generating unit has a hydraulic fluid tank for storing hydraulic fluid, a hydraulic pump for feeding the hydraulic fluid in said hydraulic fluid tank to said implement, an electric motor for driving said hydraulic pump, and power storage means for feeding electric drive power to said electric motor; at least a portion of an external peripheral surface of said revolving body is formed as a surface (41 a) curved about an axis of revolution thereof, thus constituting a curved surface; a battery storage part is formed in the curved surface along said external peripheral surface (41 a) inside said revolving body; characterized by said power storage means being composed of a plurality of high capacity secondary battery cells, said plurality of battery cells being arranged in a line along said curved surface of said external peripheral surface inside said battery storage part; said implement being attached to a front part of said revolving body; said power storage means accommodated in said battery storage part functioning as a counterweight, a battery storage opening that opens facing said battery storage part, said battery storage opening being formed at the external peripheral surface (41 a) of said vehicle body, and said power storage means being insertable into and withdrawn from said battery storage part through said battery storage opening. a vehicle body composed of a revolving body attached on a traveling body (5, 7) so as to be able to turn horizontally via a revolving mechanism; an implement for receiving a hydraulic drive force and operating, the implement being attached to said revolving body; and a hydraulic drive force generating unit for generating the hydraulic drive force for operating said implement, the hydraulic drive force generating unit being provided at said revolving body; wherein said hydraulic drive force generating unit has a hydraulic fluid tank for storing hydraulic fluid, a hydraulic pump for feeding the hydraulic fluid in said hydraulic fluid tank to said implement, an electric motor for driving said hydraulic pump, and power storage means for feeding electric drive power to said electric motor; at least a portion of an external peripheral surface of said revolving body is formed as a surface (41 a) curved about an axis of revolution thereof, thus constituting a curved surface; a battery storage part is formed in the curved surface along said external peripheral surface (41 a) inside said revolving body; said power storage means being composed of a plurality of high capacity secondary battery cells, said plurality of battery cells being arranged in a line along said curved surface of said external peripheral surface inside said battery storage part; said implement being attached to a front part of said revolving body; said power storage means accommodated in said battery storage part functioning as a counterweight, a battery storage opening that opens facing said battery storage part, said battery storage opening being formed at the external peripheral surface (41 a) of said vehicle body, and said power storage means being insertable into and withdrawn from said battery storage part through said battery storage opening.