Amazon.com: EBL 1/2 AA Size 14250 ER14250 3.6V Lithium Batteries, 1200mAh High Capacity Batteries for Dog Collars and Baby Movement Monitor Alarm Systems and More (Non-Rechargeable) : Health & Household
Saft LS14250 - 3.6 Volt Primary Lithium 1/2 AA Battery - Saft # 700053
1/2AA Lithium Battery for USB Data Loggers - Gilson Co.
Tekcell 3.6V 1.2AH Lithium Batteries 1/2 AA - Walmart.com