FWIW, I use Arch Linux with XFCE on my Intel Framework 13 and I only lose a few percent battery per day in sleep mode. I suspect you could find some software settings to make this better, maybe worth digging a bit further.

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deevus 9 hours ago | parent [-]

What sleep modes does that support? The 7840HS only supported the "modern standby" mentioned in another comment.

	▲	coldpie 9 hours ago \| parent [-]
		Sorry, I have no idea, it just worked this way out of the box so I never had to do any digging into it.