There are an increasing number of questions like this about brand name power stations on the forum. Its a valid question and while there are a ton of smart people here, it is probably best for you contact customer service directly--this is after all one of the things the price premium of these products goes towards. They are best positioned to answer you regarding the specific tolerances of their products, I would follow their advice. Its a bit harder to give general advice for prebuilt power stations than for individual components without knowing the specifics of the power station.
I would also consult the manual and the spec sheet. If you find an answer in the manual but need help interpreting it, I'm sure people here could help you.
Actually if you post the manual and the spec sheet here, I bet we can find an answer