Amazon.com: Xeno Energy XL-050F 1/2 AA 3.6V Lithium Battery : Health & Household
Amazon.com: EEMB 2PACK ER14250 1/2 AA 3.6 V Lithium Battery with FT Tabs 1200 mAh Li-SOCL₂ 3.6Volt Lithium Thionyl Chloride Batteries Nonrechargeable UL Certified : Health & Household
Amazon.com: Saft LS-14250 1/2 AA 3.6V Lithium Primary Battery for Mac computers (non Rechargeable) : Health & Household