I think it's just a lack of optimization for battery usage on OSX Chrome. Google seems to have recently realized it is an issue though and is making progress on

I think it's just a lack of optimization for battery usage on OSX Chrome. Google seems to have recently realized it is an issue though and is making progress on improving things: https://plus.google.com/+PeterKasting/posts/GpL63A1K2TF https://plus.google.com/+PeterKasting/posts/GpL63A1K2TF