STEPMAX (4 Pack) EVE ER14250 1/2AA 3.6V Lithium Battery 1200mAh for Dog Collars, Baby Movement Monitor and More(Non-Rechargeable) : Amazon.com.au: Electronics
EEMB 3.6V Lithium Battery ER14250 size 1/2 AA Top Quality Primary Bobbin Energy Type Cylindrical with Li-capacitor
3.6V 1/2 AA Lithium Battery - Nipple | Jaycar Electronics