Replacement battery fits 13 Tytera compatible models. Specifications: 2050mAh, 7.4V, Li-ion. Compatible with: Smartcom SC-280, Smartcom SC-380, MD-390, MD-680, MD-UV390, TH-UV8200 and 7 more compatible models. Replaces: Retevis LB-75L, Retevis BL50. Tytera replacement battery designed for Two-Way Radio devices. Designed for long-lasting power.