1)The battery consists of high-performance paste plate, Compound low resistance separators, high-impact resistant polypropylene plastic tank. 2)Tight assembly, through partition connectors, discharge stable, safe and reliable. 3)Safety/Quality Certificates::TS16949, CE, ISO9001:2000 and the International Quality Control System Attestation 4)Customer-made special dimension(even provide brand&packaging design),OEM