[Q] redmi 1s not getting good batterylife even after underclocking or using other rom topic

redmi 1s is not getting good battery life i.e: i'm only getting 2.30 or 3 hr of screen on time.....even after underclocking to
1ghz...dont know why......others are getting 4 or more than that...any help??

[Discussion] Nexus 6 Underclocking topic

I know that on all my phones I underclock them to be able to conserve as much battery life as I can. I was wanting to know how many other people underclock this device and what are the setups they are using? I, for example, am using LiquidSmooth v4 Nightly 12/23 and Sensei Kernel R26.1 underclocked at a max frequency of 1.1GHz. I have CPU hotplugging enabled and only use 2 cores.