Did not want to confuse JamieSkinner by overloading him/her with too much info,
So, this wouldn't have confused him, then?
Required Cable Size 4 mm
Voltage Drop 3.91 Volts.
Percentage Drop 1.7%
Current Load 26.0 Amps
Max Cable Load* 32.0 Amps
that's for 15M...
Required Cable Size 4 mm
Voltage Drop 6.52 Volts.
Percentage Drop 2.8%
Current Load 26.0 Amps
Max Cable Load* 32.0 Amps
This is for a 25M run