Amazon.com: EEMB 4Pack ER14250 1/2AA 3.6V Lithium Battery Li-SOCL₂ Non-Rechargeable Battery XL-050F SB-AA02 LS14250 TL-5902 TL-2150 for Dog Collar Meter Sensor Movement Monitor/Home Security System/Alarm System : Health & Household
Amazon.com: OmniCel ER14250 3.6V 1/2AA Lithium Standard Battery Button Top, 4 pack : Health & Household
Amazon.com: Saft LST17330 - 2/3 AA Size 3.6 Volt Li Lithium Battery Cell : Health & Household
AtBatt.com - 1/2 AA Battery | 3.6V Battery
Tadiran 3.6 Volt, 1450 mAh, 2/3 AA Lithium Battery | Battery Mart