CR2025. This Eunicell CR2025 3V lithium button cell battery has a nominal capacity of 150mAh and is supplied in a pack of five. Coin cell batteries are commonly used in precision engineering tools and automotive remote key fobs as well as many other applications. . 3V lithium button cell battery. Nominal capacity: 150 mAh. Size: 20mm x 2.5mm. Also replaces: DL2025, ECR2025, BR2025, 208-205, DL20256B, BR2025-1W, CR2025-1W, KCR2025, L12, LM2025, SB-T14, LF1/2V & 5003LC