How to increase android phone battery life (root phone).

[ruffian_adi]

Recently I root my Xperia p android phone. Now I want to increase my phone battery life, but I don't know what to do please if you know about it share with me..  

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Also ram i have 1 gb ram i want to make it 2 gb but how ..? 

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Thank you !! 

[Danial-mach1]

i suggest you to visit XDA.developers for how to increase ram

[ruffian_adi]

ok tnx bro !! @ danial 

[Danial-mach1]

you are welcome