The Energizer CR2016 Ultimate lithium button cell with 3 volts reliably supplies devices with energy. Whether heart rate monitors, blood glucose meters, remote controls, keyless entry systems, key fobs, watches, games and toys or even more specialised devices - these batteries are compatible with the devices that are part of your life and ensure that they never stand still. The durable Energizer lithium button cells are suitable for a wide temperature range (from -30 to 60 ºC) and offer reliable performance even when stored for up to 10 years. The environmentally friendly batteries contain no mercury and are packaged in childproof packaging. Energizer button cells are therefore the perfect choice for your specialised devices.