Laptop battery backup

[aheer]

When I used windows 10 32 bit in my laptop corei3 its backup just 10 min maximum and then I do windows 7 so my laptop backup timing increases to 40 minutes....what is the problem in laptop ram or any other

 

[Cycloid Torus]

Doesn't sound mechanical...
Could Windows 10 version be better (using all cores)?
Could Windows 10 be doing incremental and Windows 7 doing 'full'?
Could it be different configuration of virtual memory?

 

[Benmar]

It could be windows 10 has many proccessing apps thats why your battery drained fast than win 7.