ICCNexergy™ is now Inventus Power ICCNexergy™ is the genesis of the single-source developer and manufacturer of complete rechargeable power solutions for portable devices, stationary backup power, and motive power applications. Their products include highly efficient power supplies for major OEMs marketed under the Elpac brand, which is part of the ICCNexergy™ family of total rechargeable system products. Elpac is ICCNexergy's premier line of reliable power solutions sold across a broad range of market segments, including medical, data communications, IT and industrial. View products from Inventus Power.