vectrix / evt 4000e scooter

evt 4000e ive converted it to do dubble the manafactures range i/e 28/30 miles my acctuel milage 60 miles 90 klm
wow i have been meanin to add this to a web address for ages i converted the evt scooter way back in the year 2005 aug and the best day of the year may i add
for got to mention i carried my son on the back with me think he was 8 stone then i was 13 1/2 i fitted an extra battrey and and sevral switches and think it was 24 solar panels