SPARD, one of the leading professional battery manufacturers in China, was established in 1992. As battery expert, we provide customers not only high quality cells and battery packs but also the best battery solution according to their products design, helping customers save time for R&D and launch new products more quickly. All our batteries have UL, CE and RoHs certificates.- See more at: http://www.yuntong-batt.com/About-Us-2-html#sthash.F1eIBfry.dpuf