Polypore International, Inc. is a global high-technology filtration company that develops, manufactures and markets specialized microporous membranes used in separation and filtration processes. Its products and technologies are used in two primary businesses: energy storage and separations media. The energy storage business consists of two segments: electronics and EDVs, and transportation and industrial. The electronics and EDVs segment produces and markets membranes for lithium batteries that are used in portable electronic devices, cordless power tools, electric drive vehicles (EDVs) and energy storage systems. The transportation and industrial segment produces and markets membranes for lead-acid batteries that are used in automobiles, other motor vehicles, forklifts and uninterruptible power supply systems. The separations media business produces and markets membranes and membrane modules used as the high-technology filtration element in medical and industrial applications.