Quality ControlAJC Battery strictly adheres to international quality standards to provide customers with excellent products and consistent quality. From the components and raw materials to each batch produced, quality tests and procedures are in place, implemented and maintained. | AGM TechnologyAJC Battery Absorbed Glass Mat (AGM) technology is at the core of our batteries. Puncture resistant glass mat separators absorb all the electrolytes, which lowers internal resistance and results in effective high-rate, short-term power. | Maintenance Free Lead Purity 99.998%AJC Battery only uses brand new lead. Lead impurities can significantly decrease battery performance and lifespan. Our strict manufacturing process eliminates trace impurities and yields high quality, dependable batteries. |