EticaAG's Retrofit BESS Platform Converts Existing Data Centers to AI-Ready Facilities — No Grid Upgrade Required PITTSBURGH, PA, UNITED STATES, April 14, 2026 / EINPresswire.com/ -- EticaAG, Inc., a U.S.-based manufacturer of fire-safe lithium-ion battery energy storage systems, today announced the commercial availability of its AI Data Center Retrofit platform, a high-power battery architecture designed to enable GPU-dense AI infrastructure deployment on existing utility service without...