Fresh (or at least gently used) batteries are the reason I had to stop using my X220 though, as I bought like three different batteries (one OEM that was old st

Fresh (or at least gently used) batteries are the reason I had to stop using my X220 though, as I bought like three different batteries (one OEM that was old stock, and two third-party) and none could keep it up for more than an hour. That's tough without OEM support.