Energizer Lithium CR2 Batteries, Long Lasting Lithium CR2 Batteries Perfect for Tech Devices, 4 Count

Customers find these batteries to be the best they've purchased, delivering reliable performance and working well in various devices including rangefinders and golf course equipment. They offer great value for money and provide a perfect fit, with one customer specifically mentioning compatibility with SmartThings devices. The battery life and power performance receive mixed reviews - while some say they last a very long time, others report they only last about three months, and several mention receiving batteries with low voltage.