I found have >20 threads where people raise the issue of intermittent charging on their blade 17s, each time the support ask for a ACPI-Compliant drivers uninstall and then RMA and block the thread.

No explanation or solution is forthcoming about the issue. Do these RMA’d laptops get fixed? What caused it?

I can only surmise that there is a hardware design flaw on the motherboard which is too costly for Razer to admit to. But evidently Razer are fine with leaving people in the dark with malfunctioning laptops.