Can main unit be stacked on top of expansion batteries?

@BLUETTI Can main unit be stacked on top of expansion batteries?
Eg AC200L on top of B300 or B230.
Photos show them both under and over, so not sure which is allowed.

If it is a battery pack stacked with a power station, stacking two in total is not a problem. Place the lighter one on top and the heavier one below.
If it is a battery pack stacked with an inverter (AC300/AC500), it is best not to exceed four in total, also following the principle of placing the lighter one on top and the heavier one below.

Thanks @BLUETTI.
So to confirm: it’s okay to put a 200L on top of a B230, right?
Ie the B230 structure can handle the 200L weight.

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Compare the weights of the two; place the heavier one below.

@BLUETTI Okay thanks.
I thought you meant with just 2, either order is fine:
“If it is a battery pack stacked with a power station, stacking two in total is not a problem”

But then Bluetti should change your product pages, because they often show the unsupported combination eg here (200L on top of B230)

or here where AC240 is heavier than B210:

@jCs If there isn’t a huge difference in weight, it’s not a big problem in practical use. No need to worry too much.
Thank you for your suggestion; I will pass it on to the ad team.