Seems ripe to group-up and buy a pallet, but Ill take two. Now we just need another 20 to be bought... What about getting the power ut of the panels? What kind

Seems ripe to group-up and buy a pallet, but Ill take two. Now we just need another 20 to be bought... What about getting the power ut of the panels? What kind of other kit is required to accomplish this? a transformer and marine batteries?