Battery.

About Battery

Battery is a Japanese novel series by Atsuko Asano that was published by Kadokawa Shoten. The series is about Harada Takumi and Gō Nagakura, two boys who start a baseball team. For the work the author received the Noma Prize for Juvenile Literature in 1997 and the Shogakukan Children's Publication Culture Award in 2005. It has sold over 10 million copies in Japan, and has been adapted into a film in 2007 and an anime television series in 2016.