The EV-E801 series (EV-E801系, EV-E801-kei) is a two-car battery electric multiple unit (BEMU) train type operated by East Japan Railway Company (JR East) on the Oga Line in Akita Prefecture in northern Japan since 4 March 2017.

[3] The two-car EV-E801 series train operates as an electric multiple unit (EMU) under the 20 kV AC overhead wire of the Ou Main Line between Akita and Oiwake, a distance of 13.0 km (8.1 mi), and on battery power over the non-electrified Oga Line tracks between Oiwake and Oga, a distance of 26.6 km (16.5 mi), replacing existing KiHa 40 diesel multiple unit (DMU) trains.

[4] Initial details of the new train were formally announced by JR East on 20 November 2015.

[5] The train underwent evaluation and proving trials on the Oga Line prior to scheduled services in March 2017.

[2][5] The two-car trainset was delivered from the Hitachi factory in Kudamatsu, Yamaguchi to Akita Depot in December 2016.