Amazon.com: EEMB 4PACK CR123A Lithium Batteries 3V 1500mAh CR123 Battery with High Capacity for Flashlight Toys Alarm System Non-Rechargeable Battery : Health & Household
Amazon.com: 4X EEMB AA 3Volt Lithium Battery Non-Rechargeable 3V CR 14505 1800mAh Single-Use Li-MnO₂ Battery UL Certified DO NOT Charge Battery for Security Cameras/Digital Thermometer/WiFi Oil Tank Guage : Health & Household
Source CR123A 3V 1800mAh LiMnO2 Lithium battery on m.alibaba.com