Ua hoʻokumu ʻia ʻo Johnson eletek Battery Co., Ltd. i ka makahiki 2004, he mea hana ʻoihana ia o nā ʻano pila āpau. Loaʻa i ka ʻoihana nā waiwai paʻa o $5 miliona, kahi hale hana hana he 10,000 mika kuea, nā limahana hale hana akamai he 150 mau kānaka, 5 mau laina hana piha piha.