Replacement battery fits 11 NABC compatible models. Specifications: 6V, Alkaline. Compatible with: KeyLock F 7400-12, HTL3, HTL5, Zoro G003259860, Saflok 459112, Saflok 740012 and 5 more compatible models. Replaces: Saflok DL-5. NABC replacement battery designed for Door Lock devices. A precise, secure fit you can rely on.