Hey, I have a Lenovo Legion Y540 15".
It has a 3 cell 11.5V , 52.5Wh, his battery life is very poor.
I can only change it to the 17" one that is also 3 cell but 57Wh will it give me any changes in the battery life ?
If it's a new battery with a higher Wh rating, that would mean it would run longer. Just make sure the battery will work in your system. if you are using another used battery, you will need to find out how good it is once you test it.