Exell Battery Alkaline L736 Button Batteries (10-Pack) in the Coin & Button Batteries department at Lowes.com
Vinnic L736F replacement battery
LR41 Battery,30Pack 1.5V AG3 LR736 L736F Button Cell Battery for Digital Thermometer Laser Pointer Mini Fladhlight Watch (30 Pack) : Amazon.ca: Health & Personal Care