[Q] heavy battery drain while browsing

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http://forum.xda-developers.com – Hello. I have a huge battery drain while browsing on my sgs2 running CM10 and recently siyah 5 RC1 (before original cm10 kernel). It is hard to find threads like that, there is always talk about wakelocks and other drain issues. So I wrote a new one. The battery drain surfing the internet over wifi is huge compared to other things I use my phone for. Example: Streaming a 720p TV show over wireless and watching it on MX player drains about 3x less battery. How is that possible?? I have no problems with wakelocks, the screen on time is usually around 3-4h, BUT, only when using rss and othe (HowTos)