I can't say I've measured it quantitatively, but it doesn't appear to have a huge effect, but I also don't need to be untethered all day long. When I check the

I can't say I've measured it quantitatively, but it doesn't appear to have a huge effect, but I also don't need to be untethered all day long. When I check the battery status on my Mac, only Chrome is listed in the "Apps that use significant energy" list.