How to change the battery of your powermeter

In this Articel you can find all the neccessary information for changing a battery on you power2max powermeter.

Table Of Contents

Changing the battery of your NGeco

  1. Remove the rubber cap that seals the battery.
  2. Remove the empty battery.
  3. Insert the new battery of Type CR2450. Please ensure the correct polarity.
  4. After inserting the battery, the green LED flashes for approximately 120 seconds. This signals the readiness for use.

Changing the battery of your TypeS

  1. Remove the rubber plugs that seal the battery screw holes.
  2. Open the battery compartment using a precision Philips screwdriver.
  3. Remove the battery cover and O-ring. The screws should not be removed.
  4. Insert the battery of Type CR2450. Please ensure the correct polarity.
  5. Put the battery cover back on and tighten the screws with 0,2NM. Only use two fingers to tighten the cover!
  6. Put the O-ring back on.
  7. After inserting the battery, the green LED flashes for approximately 20 seconds. This signals the readiness for use.

Changing the battery of your Classic

  1. If not yet done, open the battery compartment by loosening the three cross-head screws. Remove the battery cover and the two O-rings. Please pay attention that the two O-rings are of different diameter.
  2. Mount the O-rings. Insert the smaller one into the battery cover.
  3. Place the larger O-ring around the upper collar of the battery compartment as shown in the figures.
  4. Insert the supplied RENATA CR2450N battery. Pay attention to the correct polarity. The positive pole (face of battery) must be visible after the battery has been inserted.
  5. After the battery has been inserted, the powermeter signals readiness for service by a short flashing of the green LED for about 20 seconds.
  6. Close and screw the battery compartment again. Make sure everything is clean and the two
    O-rings are seated correctly.


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