What does all these do? Could you explain your script a bit more? I'm on a quest to get the maximum battery out of the phone..

echo 1 > /proc/sys/vm/laptop_mode
echo 1 > /proc/sys/vm/oom_kill_allocating_task
echo 0 > /proc/sys/vm/dirty_expire_centisecs
echo 0 > /proc/sys/vm/dirty_writeback_centisecs
echo 60 > /proc/sys/vm/dirty_background_ratio
echo 95 > /proc/sys/vm/dirty_ratio
echo 0 > /proc/sys/net/ipv4/tcp_timestamps
echo 1 > /proc/sys/net/ipv4/tcp_no_metrics_save