I am still on my first charge cycle but so far I am at 41 hours and I have 48% battery life remaining. That is with some navigation time and gps, wifi and bluetooth running the entire time.
The case really does not add much weight and only a few mm of thickness, I like it a lot. I was previously using the samsung bumper case and found it to be the best standard case I had used so far. Here is a quick review/first impressions vid I did, I will follow up on it with some screen shots of how the battery holds up once I get about 5 charge cycles on it.
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