Design and manufacturing of custom battery packs in every battery chemistry since 1965. We assemble over 200K custom battery packs a month, we have a large Engineering design Dept. to design & produce the most complex battery packs using batteries from Panasonic, Sanyo, LG Chem, Duracell, Enersys, Saft and many others and we can supply batteries from quality Chinese manufacturers. ISO Certified, ITAR Registered, Cert. Woman Owned company.