I just bought a refurbished Lenovo Yoga 920 (Full HD / i5 / 8GB) from GraysOnline eBay account. Everything seems to work fine, although on full charge - it says I only have 3 hours of battery life left, which is a far cry from the all day 9-12 hours of real world use most reviewers have achieved.
All day battery life is important to me. Is weak battery life normal on refurbished laptops? Should I bother with asking for a replacement, or is it a common enough issue that I should just return it?
If they are not deep cycled the battery life will shorten quickly. If it's charged many times life will shorten over time. I would contact them and at least try to get a better battery as they may have many.