Which is more important?

[Kurt_Nelson]

...They were able to run a 70 watt load for 5 hours. Don't know how you got 300+ watts to run for 4 hours.

Probably because 200 of those Watts (heaters) don't run continuously.

I realize you already got a generator, but I just wanted to post in case others were thinking about the unit. I can only report my experience with them.