Hello! I had a similar question regarding iCloud Drive and Safari. Once I enabled iCloud Drive, I left the Safari box checked on in iCloud Drive and noticed an incredible rise in Safari battery % usage being shown in the Battery Usage area. I checked around and someone stated that they believed that by having Safari checked in iCloud Drive, the battery drained much quicker. So now I left my ICLOUD Backup Safari checked and unchecked the Safari option in iCloud Drive and I'm testing the battery drain now. It is too soon for me to tell if by unchecking Safari in iCloud Drive improves my battery life. It should also be noted that I began using the iCloud Drive feature around the exact same time that I updated OTA to 8.4.1 so I'm not sure where my terrible battery drain is coming from. I just noticed that Safari was using up to 70% of my battery per day without any Safari usage change. Also, I've had great battery life since 8.3 and I've updated every time without any battery issues until 8.4.1 and the initiation of iCloud Drive with Safari checked. One thing I also tested was that if you uncheck Safari in the regular iCould Backup on either your IOS on iPhone 6 and/or my Mac, the bookmarks will no longer sync (which is what I expected).
Here's my question for you! I'm wondering if you could test your phone by clicking on the Safari box in iCloud Drive for a couple days and see if you notice Safari utilizing a higher % than normal with no change in your Safari usage pattern. I know you may worry that if you do test this and find that your battery is worse, you may be concerned that you won't be able to recover your previous good battery usage before the test. I would completely understand you not wanting to risk the attempt but if you are the type who likes to check these things out, it would be interesting to know the effects. I will also post in upcoming days whether my battery usage improves by turning off Safari in iCloud Drive. Thank you!!
09-02-2015 07:03 AM