Panasonic CR2025 Specialist Lithium Coin Battery Pack of 2 Panasonic s Cell Power Lithium coins have been designed to provide reliable and long lasting power. A long shelf life of up to 10 years Reliable even in a wide range of operating temperatures (-20 C to +65 C) Size of battery - 20mm x 2.5mm. Features: Panasonic CR2025 card of 2 Lithium Coin Cells Latest Technology Brought to you by Ukdapper Communications Note: These are from 6 battery Multi packs so we shall tear off two and ship.