One of the FAQ's answer was not very clear.
It was about removing one of the batteries to carry more baggage - maybe baggage could be changed to more useful load?
As there is no place for baggage it was not a good question to be asked - But as many countries have average male weights close to and over 80kg, I see the need for a greater payload in many cases.
What could the useful payload be increased to with 1 battery and some ballast to keep in the C of G envelope?
It is understood that the endurance is reduced - but it is a quick simple change to replace the flat battery over with the full one removed and continue training. Being compliant with the paperwork would take longer.