If the battery level of you BPM+ is below 20%, we advise that you change the batteries. Your BPM+ uses 4 AAA alkaline batteries (LR3).
To change the batteries of your BPM+, perform the following steps:
- Make sure the BPM+ is turned off.
If the LED is on, press the button for 3 seconds. - Turn the slot of the twist cover counterclockwise using a coin to remove the battery cover.
- Replace the batteries.
Make sure the batteries are correctly inserted by following the polarity markings. - Put the cover back in place.