To install the AA battery in your Time Timer Original Medium and Large : 

  1. Open the battery compartment on the back of your Timer.
  2. Find the ribbon inside the battery compartment and pull it over the words “Made in China.”
  3. Insert the AA battery with the positive (nub) end first into the compartment OVER the ribbon.
  4. Place the cover back on the battery compartment. The ribbon should stick out.
  5. When you’re ready to replace the battery later, simply open the battery compartment and tug on the ribbon to easily pull the battery loose.

To install the AA batteries in your Time Timer ® Original Medium and Large Update: 

*The update requires 2 AA batteries and includes a shallower battery compartment for easier battery replacement. 

  1. Open the battery compartment on the back of your Timer.
  2. Insert the AA batteries with the positive (nub) end first into the compartment.
  3. Place the cover back on the battery compartment. 
  4. When you’re ready to replace the battery later, simply open the battery compartment and tug on the ribbon to easily pull the battery loose.