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Promax 350 & 500 welding helmet battery position | Product Update

Weldclass has recently made some changes to the design of the electronic lens cassettes in the Promax 350 and Promax 500 welding helmets.  As a results, the battery position has changed, as shown below:


Old Battery Position

Battery located adjacent to the lens adjustment controls.



New Battery Position

Battery is now located within the 'top edge' of the electronic lens cassette, as shown below.

To access the battery;

  1. Remove the lens retaining frame from the helmet shell
  2. Remove the cassette from the retaining frame

  3. Remove the battery holder (use fingernail or screwdriver)





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