What about miui battery drain???

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IN my miui,
blacklight of it is gone for using the backlight killer
but there is a big problem
about the battery drain!!!
because i charge it 100%
but after 10hrs
is over 5%
OH~~!!!!
anyone have solution???
pls !!!!
(i am not to hate that)

What apps are actually running in background of your phone? I have only a 20~30% drop in battery level in ~9hr without touching my phone(wifi on).

see what the battery life is like if you turn off the killbacklight app for a day

i only open the backlight killer in background
nothings else

There's nothing you can do at the moment, unless someone fix this nasty bug.
You have to know that Android saves battery switching off your CPU while you are not using the phone (=> deep sleep). The app you are using "kills" the backlight every X seconds, that means your CPU is awakened every X seconds to execute something.
Your screen always on uses more battery than your CPU always on, I think, but it always drains the battery.

Use" ddkp3" as the bottom package will be more power, I tried