
To replace the in your Tommee Tippee 42303060 Bath and Room Thermometer, follow these steps: First, locate the battery cover on the device's back. Use a suitable tool to turn the cover anticlockwise to open it. If the cover is difficult to remove, gently use a thin tool to lever at the edge. Next, remove the old battery and insert a new CR2032 battery, ensuring it's correctly oriented. Dispose of the old battery responsibly, following local guidelines. Before closing, check that the waterproof ring is properly seated in the groove of the outer ring. Finally, align the three lugs on the battery door with the corresponding grooves on the thermometer's back and secure the cover by turning it clockwise until it's firmly in place. The Tommee Tippee thermometer uses a CR2032 battery, which typically lasts about a year. A dim display is a clear sign that it's time to replace the battery.


