Was just looking to pre-order the Surface Book 2 then had a battery issue on my Surface Book 1...
Battery 2 (base battery): showing 0% and not charging when plugged in and not. Battery 1 (in the screen portion) operating as normal - charging through the base fine. Result is total battery % never shows above 50% with Battery 2 presumably being offline. No drops, water or other abuse.
Ran the Surface Diagnostic Toolkit and it didn't report any issues with charging or otherwise. Did the hard power reset a few times to no effect.
Ran a Battery Diagnostic with the below results.
Does anyone have any thoughts on what the issue is?