For those of you looking for what v-mount batteries might be a good fit for your new Raven or Scarlet-W with the Red v-mount expander, here's a chart of what will fit and what won't along with pricing and size/weight information. To the right are some of my own calculations for the high-altitude work I do, where every ounce and cubic centimetre matters.
Here's a link to the Google spreadsheet if you want to copy / edit / suggest changes.