The Taedonggang Battery Factory (), located in Saemaà Âl-dong, P'yà Ângch'à Ân-guyà Âk, P'yà Ângyang, North Korea, is a factory producing batteries for vehicles and power plants. It is served by rail via the P'yà Ângnam Line of the Korean State Railway. It was built in 1975 with Soviet aid, becoming operational in 1982 and subsequently expanded in 1987. The factory, with a total area of , employs 4,500 workers.