Amazon.com: CR2016 3V Lithium Battery(10-Pack) : Health & Household
Button Batteries Vinnic original lithium battery Vinnic CR1616 3V blister 5 Units - AliExpress
M4497 Pack of 2 CR2016 Battery
Exell Battery 5pk Exell 3V Lithium Coin Cell Battery CR2016 - Long Lasting & Reliable - Ideal for Watches, Calculators, Toys & More in the Coin & Button Batteries department at Lowes.com