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Prime Batteries, a Romanian battery manufacturer, has been included in BloombergNEF's list of top energy storage companies. Founded in 2016 in Cernica, the company saw significant growth in 2024, reporting RON 276 million in revenue and RON 51 million in net profit.

Key developments include EIT InnoEnergy's investment in 2022 and a joint venture with South Korea's Top Material for active material production. In December 2025, Prime Batteries signed an EPC contract with Electrica for a 70 MWh energy storage project in Mureș County, expected to be completed in 2026.