... . Long service life 3. Three brands: Largestar;Booster;TNT 4. One year warranty 1)The battery consists of high-performance paste plate, Compound ... resistance separators, high-impact resistant polypropylene plastic tank. 2)Tight assembly, through partition connectors, discharge stable, safe and reliable. 3) ... 4)Customer-made special dimension(even provide brand&packaging design),OEM 12V battery MF N50