[solved ]Can not upgrade to Sierra, "not connect to AC"?

[asusceleron]

After 2 days testing El Capitan on my brand new Kabylake Cube Mix Plus, I decide to upgrade to Sierra, but it refuse to proceed. My battery is Intel SR 1 Real Battery, haven't patched so it is always report as 0%, no AC plug in.
How to just bypass this annoying?
Thanks

 

[asusceleron]

Temporary use AcpiPlatform ok

 

[RehabMan]

After 2 days testing El Capitan on my brand new Kabylake Cube Mix Plus, I decide to upgrade to Sierra, but it refuse to proceed. My battery is Intel SR 1 Real Battery, haven't patched so it is always report as 0%, no AC plug in.
How to just bypass this annoying?
ThanksView attachment 243385

Battery guide is linked from the FAQ.