The small internal date time battery data what type is it, where?

The small internal date time battery data what type is it, where? The internal data battery does not hold the date and time when replacing the main battery on my Olympus E-PL1. What type of battery is it? and where is it located?
Asked by: Guest \| Views: 70

Total answers/comments: 1

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Guest [Entry]

"It's likely that the camera uses a capacitor to keep the clock and memory up while changing the main battery. If the cap fails (as they sometime do) then you'll see this problem. If that's the case the only solution is having it repaired.

I found this during a search. https://www.dpreview.com/forums/thread/3..."