Callaway Diablo Rangefinder Battery

“Diablo Octane Battery”

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You won’t need to replace your Callaway Diablo rangefinder battery too often, but you definitely don’t want to be caught on the course without a spare. We put the instructions below for how to read the battery indicator and replace the battery.

If you get familiar with the battery indicator, you can replace the battery before it dies in the middle of your round.

Replacing the Callaway Diablo Octane Battery

  1. Open the battery chamber cover – Use the ball of your thumb or a coin inserted into the recessed part of the battery cover, to rotate the cover in the direction indicated by the Open/Close arrow. It may not open easily due to its rubber packing for water resistance.
  2. Replace the old battery with a new one – Install new battery with the [+] and [-] correctly positioned following the “Battery installation” indication seal in the battery chamber. (The [+] pole goes towards the insider of the chamber.)
  3. Close the battery chamber cover – Align the Open/Close indicator with the white dot and insert the battery chamber cover. Using the ball of your thumb or a coin, turn the cover in the opposite direction to the arrow indicator. It may not close easily due to the rubber packing for water resistance, but continue to turn it all the way until it stops. Confirm that the cover is securely closed.

Callaway Diablo Octane Rangefinder battery indicator



Comments

  1. Worst designed waterproof cover ever devised

    • John sullivan says:

      Worst battery cover design. Very very hard to lock cover. No threads in side rubber seal got torn up trying to lock mine.

    • Golf Rangefinder Shop says:

      Hi John. Any luck with Callaway customer service on this issue?

  2. Tracy Flavin says:

    After replacing the battery, is it easier to get the rangefinder cover closed with the silver piece inside the black cover back or is it better to put the silver piece on the battery and THEN insert the black piece and turn it to close? (Trying both methods and black cover keeps falling off!).

    • Golf Rangefinder Shop says:

      Hi Tracy. Not sure what’s causing the problem for you. Maybe call Callaway Customer Service and see if they have any suggestions. 1-800-588-9836.

  3. Looking for battery chamber cover for Callaway/Nikon Diablo Octane rangefinder. Do you have them or advice on finding them?

    Thanks, Gary

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