All of my current cameras (Canon) use their own dedicated battery pack. I always have a spare fully charged pack (or two) with me in the bag. The only inconvenience is that where one is travelling over a period of more than a couple of days, you probably should take a charger and it's power cable. It's one more thing to pack, lug around - and accidentally leave in a hotel room.
Buy the camera you really like, and accept the minor complication of its battery requirements including a spare OEM pack if it's needed.
BTW Sony is reported to be very good, and the specs quoted for the model you mention are impressive. Best of luck with your new purchase - whatever you decide.
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