PROMAX BATTERIES Details Replacement batteries for Promax auto-darkening welding helmets. DetailsBack Replacement batteries for Promax auto-darkening welding helmets. MatrixOptions : PROMAX 350 - BATTERY (CR2032) PROMAX 500 - BATTERY (CR2450) Box/Pack Qty PROMAX BATTERIES Please log in to see price or purchase this item Quantity discounts available QuantityPrice × Add to Order ImageItem # (SKU)DescriptionUnit of MeasureBox/Pack QtyAvailablePriceOrder QtyItem ETAQuick Ship Add to Order