hopIQ found 10 beers with the same malty and clean character as Battin Gambrinus. Luxembourg's second most popular lager from Brasserie Nationale's Battin brand. Slightly softer than Bofferding with a rounder malt character. Battin Gambrinus is the preferred lager of Esch-sur-Alzette — Luxembourg's industrial south. Ranked by flavour match rather than popularity.
Closest match: Sternburg Export — 84%. No twin in the catalogue yet.
6 countriesmatched across 56 flavour tagsbest match 84%

No beer in the catalogue yet — these come closest.
Close on what matters, with one thing they do differently.
Same idea, less detail — open a beer to see the full comparison.