Replaces5029LC, CR2450, DL2450, ECR2450. Battery size: CR2450. When you want big power for your small electronics, PanasonicCR2450 to the rescue! Chemistry: Lithium. Equivalent Battery Types: CR2025, DL2025, ECR2025, NA, BR2025, 208-205, DL20256B, BR2025-1W, CR2025-1W, KCR2025, L12, LM2025, SB-T14, LF1/2V, 5003LC Features & Benefits.