... low inner resistance for supper discharging,strong resistance to corrode as to extend the life of batteries,electrolyte can't ... or gaseous acid comes into being and no pullution to environment.maintenance free batteryJIS typecapabilitydimensionJIS new typeJIS old typeampere/ ... competitive prices, excellent quality and on-time delivery, our car battery under our brand of XINGYU , SSO and OEM brands ...