ER14250 Lithium 1/2 AA Cell Button Top Battery - 3.6v 1200mah - $1.75
Amazon.com: 1/2 AA Size LS 14250 ER14250 3.6 Volt 1200 mAh Lithium Batteries 4 Pack, Tyrone Batteries Compatible for Dogwatch Dog Collar and Some of Movement Monitor/Home Security System/Alarm System : Health & Household
Saft LS14250 (ER14250) 3.6V 1/2 AA 1200mAh Lithium Battery
Amazon.com: Tyrone ER14250 Battery [ 1/2 AA Size ][ 10 Pack ][ LS 14250 3.6V 1200 mAh Lithium Non Rechargeable ], Batteries Compatible for Dog Watch Fence Collars and Some of Baby
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
OmniCel ER14250 1/2AA Lithium Standard Battery with Tabs