3.6Volt Nickel Metal Hydride Motherboard Battery - Part # RB36
3Volt Lithium Battery Horizontal PCB Mount with Tags - Part # BR2325-1HC
3Volt Vertical Lithium Battery with Solder Tags - Part # CR2430RV-LF
Varta 3.0Volt 1/2AA Lithium Battery with Pigtail Leads - Part # TCR6127