I recently bought a used ThinkPad X1 Yoga Gen 6 on eBay. One of the risks of buying a used machine is that one never knows in what state the battery will be. And, on this machine, while it was not dreadful - it had about 75% of its capacity - it was not ideal either. But, it is a ThinkPad, so replacing the battery is easy. Fortunately, when I fitted the skin, I made sure that the screws remained accessible. I would have preferred to have bought a replacement battery from iFixit, but they were...
