The Momentum True Wireless 5 charging case has a replaceable battery. The compatible Sennheiser battery is BA 502.
Here, we’ll guide you through each step. Watch our video instructions or follow the step-by-step guide. Your product box will also contain the printed manual.
You will need a PH000 Phillips screwdriver (not included).
Video guide
The tutorial for the charging case starts at 0:50.
Step-by-step guide
Removing the battery
Remove the Phillips-head screw from the bottom of the charging case.
Slide the battery compartment cover open and lift off the cover.
Pull the battery release strip to release the rechargeable battery and remove the battery from the battery compartment.
Inserting the new battery
Place the rechargeable battery into the battery compartment. Pay attention to the polarity and make sure to place the rechargeable battery over the release strip.
Place the battery compartment cover on the battery compartment and slide it closed. Secure the battery compartment cover by tightening the Phillips-head screw.
To test the function of the charging case with the new rechargeable battery, open and close the lid of the charging case to check that the LED display is working correctly.
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