Amazon.com: EBL 4 Pack 9V Lithium Batteries 1200mAh, Non Rechargeable 9V Batteries - High Performance 9 Volt Lithium Metal Battery Longer Lasting Constant Volt for Smoke Alarm Detector
Tenergy 9V Lithium Battery, 1200mah - Tenergy
Energizer L522 :: Lithium Battery, 9V, 750 mAh at 25 mA :: Gexpro