Thanks for the Infos ;)
a quick test with one minute says by a 1410/s Production block 560 Energy cells
without 480 it worked but its very expensive ;D
my main ship is secure the sector then i away with my freighter to sell goods.
Salvage makes a horde fighters.
i dont look for sells then i search for an factori who whant buy my stuff next time i look.
edit: after 30 minutes stay out of the sector no trader comes. i set activ sell and the normal sell
edit2: i get credits but it doesnt show up