It's a simple question, it's not Rocket Science (Taken from SNL Skit of Harey Carey)
Does enabling Haptic Feedback kill the battery faster?
Maybe I'd put my question in a form that you'd be able to understand...
Does Haptic feedback significantly kill the battery like GPS and Bluetooth does when it's enabled?
hard to say, it depends on your use. There's a little motor inside your droid that rotates to create the vibrating effect, so battery life impact depends on how much you use it. I wouldn't be too worried about it, your phone vibrates when on silent mode or notifications etc too.
You might find this useful information, guys. Our company, Immersion, recently ran a battery consumption study for Haptic feedback on mobile devices. Typically only 1% to 2% is consumed, that's it. Our perception is that the Haptic feedback surely must be sucking the life out of our batteries, but our processors, screens, sensors & communiction components consume FAR more. So, next time you want to save battery, forget about haptics and dim your screen a bit or put your phone in airplane mode. That study I mentioned can be found here: The Impact of Haptics on Battery Life (Spoiler Alert: Do you ever turn off your car radio to save gas?) | Haptic Antics