Johnson eletek Battery Co., Ltd yashinzwe mu 2004, ni uruganda rukora umwuga wa bateri zose.Isosiyete ifite umutungo utimukanwa wa miliyoni 5 z'amadolari, amahugurwa y’umusaruro wa metero kare 10,000, abakozi b’amahugurwa bafite ubuhanga bw’abantu 150, imirongo 5 yuzuye yikora.