you can get a rebuilt lumedyne head and pack and everything you need
right from lumedyne.
a 244 with a single head doesn't cost too much $$ and it all fits in a camera bag.
they go from 50 ws to 400 depending on the battery ... and with a handle unit
you can dial down to 2ws and to to 400 ..... and everything inbetween.
i've had mine since 88' and used it shooting for a newspaper and location portraits for years .. prefect on location
and they can be modified with soff/soft boxes, globes, snoots, umbrellas, you name it ...
all that said the lumedyne pack / head &c is worth its weight in gold