The thegentlemen ransomware group listed Bater on its data leak site on 2026-07-31. Country: PL Sector: Other Domains named: bater.pl, zoominfo.com Claim as published on the leak site: bater.pl zoominfo.com/c/bater-ltd/429692403 Bater is a leading Polish manufacturer of traction and stationary batteries, founded in 1990 with production facilities in Warsaw and Gliwice. The company specializes in producing high-quality battery systems for electric forklifts, reserve power, and renewable energy applications, along with recombination plugs and protective battery racks. Holding ISO 9001 and ISO 14001 certifications, Bater also provides comprehensive nationwide services, including battery assembly, maintenance, room renovation, and recycling