Questions about ASUS Zenbook 14 Flip OLED

Hello, the manufacturer claims a battery life of up to 13 hours. Of course, this depends on usage: the higher the load on the processor, the quicker the battery will be drained.

The pen is compatible since it uses MPP 2.0 protocol. As for charging, you can use the USB-C cable that comes with it.

one free SSD slot no, but you can replace it - e.g. 4 TB M.2 2280 PCIe® 3.0 x4 SSD