Leon Kiriliuk on Twitter: "Philips CDi 910 timekeeper battery replaced. Now it can save game once more. Anyone recognize the game? https://t.co/ImlxVS0pfk" / Twitter
DC-CDI schematic (updated) | Techy at day, Blogger at noon, and a Hobbyist at night | Circuit diagram, Electrical circuit diagram, Electronic schematics
AC to DC cdi convertion(battery operated CDI) - YouTube
Amazon.com: CDI Electronics 113-8362 4-Cylinder Battery Power Pack for Johnson/Evinrude : Sports & Outdoors
NVRAM+RTC Solutions for Philips CD-i Players - retrostuff