How to Replace a Nike Triax Battery

The Nike Triax is a heart rate monitor designed to help you when exercising. The Triax has two components: a watch (displays heart rate information) and a heart rate transmitter monitor (straps around your chest and records your heart rate). Both of these components are battery-operated. The Lithium battery in your Triax watch should last approximately one and a half years; the battery in your Triax heart rate transmitter monitor should last approximately one year.

Things You'll Need

• Lithium battery CR-2032-3V (transmitter and watch)
• Coin

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Instructions

Triax Watch Battery

• 1

  Flip the watch over to expose the battery cover.

• 2

  Insert a coin (such as a quarter) into the battery slot. Turn the coin counterclockwise to release the battery cover.

• 3

  Pull out the old battery. Insert the new battery, with the positive side ("plus" symbol) facing up.

• 4

  Replace the battery cover. Tighten the cover by twisting it clockwise with the coin.

Triax Transmitter Battery

• 5

  Turn the transmitter over, exposing the battery cover on the bottom.

• 6

  Insert a coin into the slot; turn the coin counterclockwise to remove the transmitter battery cover.

• 7

  Remove the old transmitter battery. Insert the new battery with the positive side facing up.

• 8

  Replace the battery cover. Tighten it with the coin (turn it clockwise).