Yikes! My bad, I'd like to call it a "typo", but it's more like a "brain-O", just some bad math, the total is 7.5, 2.8 for panel, 4.2 for 6700 BP, 0.5 for cord, except now I have a 0.4 oz cord, so 7.4 oz total.
Sorry 'bout that! I thought 2.8 + 4.2 = 6, doesn't it????