The CR2025 is a very popular 3V Lithium coin cell from Energizer. It is 20mm in diameter, 2.5mm thick, weights 2.5g and has a capacity of 150.0mAh - 170.0mAh. Reliable, dependable power, for use in calculators, pagers, watches and car alarms. Replaces: 2025, CR2025, DL2025, EA100CF, ECR2025, KL2025, L12 Card of 2.