Gold phantom battery pack power requirements?

[Aleph]

Anyone know if a battery pack or inverter with car batteries would be enough to power a gold and for how longish?

I'm trying to create a pushbike trailer for mobile phantom goodness and park parties

[Aleph]

What I've found so far

1500w
http://toolguyd.com/bosch-mobile-power-u...tery-bank/

750w
https://www.plus.de/walimex-pro-Power-St...r4QAvD_BwE

1800w
http://www.dewalt.com/products/accessori...r/dcb1800b