Cell Drive is a family of patented power and data management mobile accessories. SLD Marketing Group LLC has the exclusive technology and marketing rights to the Cell Drive. SLD has partnered with Egen Inc., to co-develop and patent (US 7.944,088 B2) the battery backup technology. SLD Marketing Group LLC has been in business since 2002 providing business development for various technology companies involved in semiconductor assembly and test, alternate energy and environmental materials. Egen Inc, has been in business since 2002 with the core business of mobile battery pack manufacturing. Managed and supported by experienced former Samsung engineers, Egen continues to design and develop new mobile battery supported products using SLD Marketing as their exclusive marketing partner.