Tadiran Lithium SL-350 1/2 AA Battery - Cell Pack Solutions
Tadian SL350 1/2 AA Lithium Battery from the Battery Company
EEMB ER14250 LS14250 1/2AA 3.6V 1200mAh Lithium Battery half aa batteries Li-SOCL₂ Non-Rechargeable Battery for Dogwatch Dog Collar and Some of Movement Monitor/Home Security/Alarm System (10): Amazon.co.uk: Electronics & Photo