Antra AH7-220-0000 Auto Darkening Welding Helmet Battery Replacement
AH7-220 Series (with AP6-XXX-9907 [ 4 1/2" X 3 3/4" ] Ext. Lens Cover) is shown in the video.
This video will also work for AH7-360 Series (with AP6-XXX-9907 [ 4 1/2" X 3 3/4" ] Ext. Lens Cover)