I took a chance on this watch, moving from a Moto 360 Sport with great outdoor visibility and battery-life, to this LG Watch Sport. For the first 24 hours I debated on taking the watch back, because in it's default state (all default options enabled), I was lucky to make it 12 hours. However like others had stated, once the battery died during the first 24 hours, it was fully recharged and since I've been able to average 18+ hours. Note that I do turn off cellular data when not required, but somethings forget. My main use of the watch is for the glancability of notifications, so the more I use the watch (screen-time and data usage), the shorter the watch lasts. For me, checking notifications several times throughout the day equates to 18+ hours; if I'm using cellular data and sending several texts and other data related tasks, I would say the battery time is ~16 hours - but depends on how heavy I use the watch. For those on Google Project Fi - this is the perfect watch for a great cell service. I ordered a data-only sim card for the watch (no charge for the sim and no monthly charge), and the watch can share my data allowance (I've been averaging <5 mb's a month with mostly just texts). While using the data-only Project Fi sim card, I can send receive texts without my phone on me, however I cannot receive or place calls (which works since talking on the watch isn't ideal for me - YMMV). I still use Project Fi's hangouts integration, so my texts go over data instead of cellular - so not sure if this would work if I didn't have the Hangouts integration enabled. All in all, a great smartwatch that is just as easy to see outdoors while biking, compared my previous Moto 360 Sport (this was a big concern for me - outdoor visibility while exercising) - plus I love the added ability to use my watch without always carrying my phone; I still bring my phone with me most the time, but leave it behind when I'm coaching my kids sporting events (i.e. running around on a field). For those that don't want the cellular data enabled - battery life is excellent - I could get close to 24 hours if I didn't charge, but I charge nightly. Finally - the reviews are right for build quality, Android Wear 2.0 features ect. - I'm a very happy owner of the LG Watch Sport.

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