Palmer Energy Technology Limited, a U.K.-based maker of Battery Energy Storage Systems, announced the acquisition of Brill Power, an Oxford University spin‑out focusing on cell‑level control and active balancing technology in battery management systems. Alongside the acquisition, the company also secured a £5 million (~$6.8 million) Series A funding round, co-led by FirstGroup Energy Limited with additional participation from Barclays Climate Ventures and the University of Oxford.