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Should you remove the battery from a transmitter for medium term storage?

Discussion in 'Shearwater Research' started by BoatingDave, Jan 15, 2019.

  1. BoatingDave

    BoatingDave Angel Fish

    # of Dives: 25 - 49
    Location: Philadelphia, Pennsylvania
    Is it better to remove the CR2 battery from the Shearwater transmitter if it isn't going to be used for a few weeks? I don't want the battery to leak, but I don't like opening and closing the battery case a lot to protect the o-ring.

    Any thoughts?
  2. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    A few weeks? No.
    A few months, yes.
    Some batteries are worse than others about leakage.
    Cheap EverReady's, for example.
    Or anything Chinese generic.

    Just screw the cap on very slowly when each oring engages the lip of the case. And this is one time when silicone is better than Christolube.
    Jay and BoatingDave like this.
  3. BoatingDave

    BoatingDave Angel Fish

    # of Dives: 25 - 49
    Location: Philadelphia, Pennsylvania
  4. MargaritaMike

    MargaritaMike Divemaster ScubaBoard Supporter

    # of Dives: 1,000 - 2,499
    Location: On a non-divable lake in SE Texas
    I disagree with the above. Alkaline batteries MUST be removed from a device. A lithium CR2 does not leak like the alkaline batteries do. You're ok to leave the battery in the transmitter for extended periods.
    I agree with the o-ring lubrication.

    Cheers -
    Boiler_81, Jay and rsingler like this.

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