PROBLEM TO BE SOLVED: To provide a battery device for fishing, with which excellent reel grip is actualized when a battery apparatus for fishing is attached to an electric reel and rod operability in fishing is improved.SOLUTION: The battery device for fishing has constitution that a battery part 13 to be electrically connected to a connector 14 is sealed and stored in a case body 10 equipped with a finger pad part 15 on a lid part 12 at the base end side of the connector 14 and the connector 14 of the case body 10 is directly attached to the electricity supply connection part 21 of the electric reel 20 fixed to a rod 30.COPYRIGHT: (C)2006,JPO&NCIPI【課題】電動リールに魚釣用バッテリ装置を装着したときに良好なリール握持性を実現し、釣りを行うときの竿操作性の向上を図り得るようにした魚釣用バッテリ装置を提供すること【解決手段】接続コネクタ14の基端部側の蓋部12に指当て部15を設けたケース本体10に、接続コネクタ14に電気的に接続される電池部13を密閉収容し、このケース本体10の接続コネクタ14を竿杆30に取付けた電動リール20の給電接続部21に直接的に装着するように構成したバッテリ装置。【選択図】 図2