The Asian Conference on Electrochemical Power Sources (ACEPS) is a series of scientific conferences focusing on electrochemical power sources that is held in East Asia, Southeast Asia and South Asia at different locations each time. It was initiated by Professor Zempachi Ogumi in Japan in 2006, and has subsequently been held in China (2007), South Korea (2008), Taiwan (2009), Singapore (2010), India (2012), Japan (2013), China (2015), Korea (2017), and Taiwan (2019). The next meeting will be held in Singapore (Postpone to 2022).