Originally Posted by
billdelong
According to the manual, the charger is rated for 10V min -49V max input and doesn't specify any variance for power output depending on voltage input:
https://images.amainhobbies.com/imag...ger_Manual.pdf
That said I would go with a 12V supply to keep costs and space/weight to a minimum
I also did read the manual and you did forget a very important specification.
The input current is limited to 60A, with a 12v PSU you are limited to a 700w charge but that is still within the mentioned needs.