Koyosonic is a professional manufacturer in producing lead acid batteries, located in Tongqian Industrial Park, Tongqiao Town, Huizhou city, Guangdong Province, China. Since 2004, we have been devoted to research and development, manufacture and market to lead the users to have quality batteries for their power system. Our batteries include Sealed Lead Acid batteries (SLA) and Starting batteries (SLI). SLA batteries mainly includes NP general batteries, NPC deep-cycle batteries, NPL long-life ...