Replacement battery fits 6 DOM compatible models. Specifications: 1200mAh, 3.6V, Li-SOCl2. Compatible with: Protector, Winkhaus Blue Chip, Winkhaus Zylinder BC 11, Winkhaus BC 12, Winkhaus BC 14 MK, Winkhaus BC 15. Replaces: DOM 4765, Winkhaus LS14250. DOM replacement battery designed for Door Lock devices. Delivers steady power for reliable everyday operation.