Microsoft Surface Book 2 owners might have noticed an issue that rears its head if you try to game on the computer. With an NVIDIA GeForce GTX 1060 GPU inside, the machine is certainly capable of moderate gaming. You might expect the battery to drain quicker when on the go if you play video games, but you wouldn’t expect the battery to drain

Source: Hot Hardware – Microsoft Confirms Surface Book 2 Battery Can Discharge Even When Plugged In