Replacement battery fits 66 TETRA compatible models. Specifications: 1880mAh, 7.4V, Li-ion. Compatible with: Sepura STP8X, Sepura SC20, Sepura SC21, Sepura SC2020, Sepura SC2024, Sepura STP920 and 60 more compatible models. Replaces: Sepura 300-00631, Sepura 300-00634, Sepura 300-00635, Sepura 300-01174, Sepura 300-01175, Sepura 300-01852 and 2 more. TETRA replacement battery designed for Two-W…