... Certificate: ISO9001:2000, UL, CE, ETS, SONC 12V high quality maintenance free car batteryApplications: Starting battery ideal for cars, buses ... and other vehiclesMaterial:1. Unique grid and superior alloy2. High quality PP battery case3. Plates: Electrolytic Purity lead 99. ... rising during regular charging, no water consuming, recombination of oxygen and hydrogen8. No liquid or gaseous acid comes into ...