Replacement battery fits 5 YAESU compatible models. Specifications: 2000mAh, 7.4V, Li-ion. Compatible with: AOR AR-DV10, FTA-85L, FTA-450L, FTA-550L, FTA-750L. Replaces: AOR BP-10, Yaesu SBR-12Li, Yaesu SBR-39Li. YAESU replacement battery designed for Two-Way Radio devices. Designed to match the original manufacturer’s performance.