Energizer ECR2032 3-Volt Lithium Coin Batteries (20 Count)

 Energizer has a full range of button cell batteries. Whether it's for  your watch, glucose monitor, pedometer, remote control or other small  devices, they have the right battery for your needs. Energizer leads the  industry by being the first battery manufacturer to introduce coin  lithium battery packaging that voluntarily meets the strict guidelines  set by the Consumer Product Safety Commission (CPSC) for child  resistance. Do not disassemble, charge, crush or expose to fire or high  temperatures