Antigravity Special Voltage Small Case 8-Cell 6V Lithium Battery | AG-802
Mortara ELI 100/200 ECG Recorder Battery, 6V/1AH
Amazon.com: Duracell CR123A 3V Lithium Battery, 6 Count Pack, 123 3 Volt High Power Lithium Battery, Long-Lasting for Home Safety and Security Devices, High-Intensity Flashlights, and Home Automation : Health & Household