Enegitech CR123A 3V Lithium Battery, 123 Lithium Batteries Non-Rechargeable

Customers find these lithium batteries reliable and great for home security sensors, with one customer specifically mentioning their compatibility with Ring smoke/co2 listener sensors. Customers consider them good value for money, particularly for multiple batteries. The battery life receives mixed feedback - while some customers say they work great, others report they don't last more than 4 months.