Originally Posted by carnageX
Is the new battery an official Lenovo-branded one, or a cheap Chinese knock-off?
It's possible that it's a bad battery as well. Does Windows show the battery is charging when it's plugged in?
It's possible that it's the power brick - if the brick/adapter is a lower-end/weaker one, it's possible that it's not putting out enough power to power the laptop as well as charge it, especially during actual work.
No, there isn't a calibration or memory effect for Li-Ion batteries.
Yes it is all manufactured by Lenova. It's the same adapter that used to work for his old battery, but maybe his old battery went bad because of the adapter going bad lol That's hard to test when the machine isn't in front of me.
I did read up that there is firmware available to get rid of those kinds of issues at:
And it says that the model is supported.
I'm going to try this first of course, but yeah I think if that fails its probably the adapter.