DeepTrip
Contributor
Well, I don't know it is oil-filled, but so far the dive computer is still working. Last time I check (6 months ago), the battery power is down to 2-3%, so I think it has gone through a lot of dives and still working.
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Druid:DeepDive
I had an Air X Nitrox until recently, showing 40% battery left after a dive trip. I'd had some problems with it randomly beeping after dives. When I took it out of the drawer after a couple of weeks, it was showing the Err message....