... battery,automotive battery, automobile battery. DIN Standard Lead Acid Maintenance Free Car BatteryApplications: starting battery for cars, buses, trucks and ... cheap water rent & electric charge, cheap land rent and tax preferential treatment Etc.2. Plates made of high purity lead ... , Pb-Ca alloy and stannum(Sn) alloy for maintenance free battery, Pb-Sb alloy for dry charged battery3. Reliable ...