The ENERGIZER CR2025 Batteries DL2025 are 3V lithium coin cell batteries with a long expiry date. These batteries have a chemical composition of lithium manganese dioxide and operate within a temperature range of -22F to +140F. With a diameter of 20mm and a thickness of 2.5mm, these non-rechargeable batteries are suitable for high and low drain devices in the Sound and Vision category. The batteries come in a range of quantities from 1 to 8 and are manufactured by Energizer in China. With a nominal voltage of 3V and a capacity of 170mAh, these coin cell batteries are reliable and durable for various applications.