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I’ll be the first, why not keep the same size battery and increase the usage time even more? Never makes sense to me.

The problem with these stories is we only know the what, not the why. The why is just pure speculation.
 
That battery life is too short. If apple wants me to ever upgrade my series 3 they’ll have to offer a watch that easily lasts 3 - 4 days.
 
I got the LTE model Series 4 and I have done 3 hour long workouts with it so far (2 walks, 1 bike ride). All three times I was running the workout app and streaming music or podcasts to my AirPods simultaneously. This was also while on an LTE signal, not using a connection with my phone. Each time I've done that, my Series 4 battery has only gone down about 10%.
 
ITT: people who upgraded from S3 complaining about losing an hour of their 32-hour battery life, while those of us with slow-ass S0 watches that last half a day continue waiting for our Sept 14 pre-orders to show up in mid-October.
 
Way back in the day when I was a kid with a regular watch, I didn't take it off for sleeping or showering.

With the Apple Watch, I do take it off for showering, partially because it's a Series 0 and that seems too risky for it. For sleeping, I do not — I use it for sleep tracking. So, I have essentially two windows to charge it: most of the charging takes place an hour before sleep, and some of it takes place in the morning while I eat breakfast and shower.

But no, it isn't as easy as with the phone.

That’s cool I was the same growing up I was rarely taking it off too -but charging it really doesn’t seem like the hassle people make it out to be.
 
It’s true..the 4’s battery life is not as good. Just came from a 30 minute workout after a full days work and the battery went down to 30%. On the APW2 and 3 it’s usually between 50-60% after my day is done.
I'm thinking there's an issue with your watch or you need to try setting it up as new without restoring from backup. It should be getting far better battery life than that. Also--the article doesn't say the battery life is not as good. It says the capacity is lower while retaining the same usage time.
 
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That’s cool I was the same growing up I was rarely taking it off too -but charging it really doesn’t seem like the hassle people make it out to be.

It's not. I do sometimes forget to, though, and I don't always reliably get a low power notification from it (or sometimes I forget even that).

Definitely a first-world problem, but not one to be ignored.
 
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I am getting a FULL DAY LESS usage with series 4. It really sucks to lose a whole day of power for an “upgrade”
Every day since last Friday you’ve been getting a full day less? After 8 hours my series 4 is at 80%. I haven’t done any workouts yet today, but I usually top off my watch at home before I go to the gym. And then top it off before I go to bed so I can wear it for sleep tracking and as an alarm. From what I can tell so far battery life is very similar to the Series 2 I was coming from.
 
That’s really interesting. To me the battery life seems at least as good, maybe better than my Series 3. Surprised they managed that with a larger screen, faster processor, *and* smaller battery!
 
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To be honest, I'm sure people would have preferred a slightly larger battery vs the 1mm reduction in thickness.
For me, unless I’m getting a week it doesn’t matter whether I get a full day or two days. I’m used to topping it off once or maybe twice a day and if I know I’m going to be gone for several days I bring a charger with me.
 
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For me, I'll take a smaller package with this kind of battery life.
"That's not what she sa-..."

Nah, too easy. Fruit just hangs too low. <-- Also too easy. :p:D

On topic: If it's size difference is significant or noticeable, I could see someone having a preference. But if it's a size difference only detectable with calipers... I'd be willing to bet most would take the extra battery and keep the Series 3 dimensions.
 
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With my now year-old Series 3 Apple Watch (non cellular) I get two days of battery life quite easily.

This means if I do a lot of exercise - such as when I’m on holiday and swim every day - I still never need to worry about battery life.

My 3 year old 6S Plus is another story...
 
Our house does this - S4 all day, around 10pm switch to S3 for the night Till morning! No issues with power.
 
I think Apple's aim with the AW has always been full day battery life for most users. I think the S3 was going well beyond that for most people (I use the exercise app for up to 2 hrs per day including tracking a roughly 1 hr bike ride using GPS and still finish off a 17 hr day with 50-60% left) and combined with more efficient components Apple saw the opportunity to shrink the battery a little in order to make the device a bit thinner (my S3 is a bit on the bulky side, so I think it was a good design decision). Looking at most comments it seems like on average the S4 may get similar to slightly worse battery life than the S3, but still much better battery life than the S0 and still more than enough to get most people through the day.
 
I’m guessing it sounds like some people either don’t have access to a charger every night (get another cable), or never take their watch off
So, is it only in Norway that the advice from insurance companies and experts in home fire prevention strongly recommend not to charge your phone, Mac, watch or other devices during the night? I would certainly never ever sleep in a room where one of my gadgets are charging!
 
Just out of curiosity--how long have you had your Series 0?

I had been wearing my Series 0 since the second they came out--I don't think I ever skipped one day. So if I hadn't upgraded to the Series 4, my Series 0 would be approaching 4 years old in April of 2019. I noticed that all the way up through watchOS 3 it got pretty great battery life with moderate use (workout days would usually require an extra charge at some point), but then when watchOS 4 hit, things started going downhill fast. Original watchOS 4.0 made it way worse, then they'd release a dot update and it would get better, then it got worse again, then better. Kind of back and forth like that for several releases. The last two dot releases of watchOS 4 my battery life was just garbage. By mid day I'd be at 60%.

I actually don't think it was an issue with the inadequate hardware. Even though the Series 0 is super slow on watchOS 4, my wife has a pretty new Series 0 that she got replaced recently by Apple due to the battery going bad in her original, and she usually goes to bed at night with about 50% battery left. I suspect that 3-3 1/2 years is possibly about when you can expect an Apple Watch battery to start really showing its age.
I preordered but not on preorder day, a few days after, but before it shipped. I was on the fence about getting the first generation and had a lot less disposable income back then. Anyway it was so backed up that it didn’t arrive until early June 2015. The battery life has steadily declined on mine. Lately it has been really inconsistent. Some days it dies at 4pm, other days 8 or 9pm. I don’t even run the exercise app any more. I have nearly every setting dialed back to the minimum and pretty much only receive a few notifications aside from Messages. It’s driving me crazy and my Series 4 44mm SS just won’t ship! Side note: since I haven’t been using it much for exercising and activity I’ve been slowly gaining weight again. It really did help me be more active and healthy. Now that my wife has an Apple Watch for the first time (40mm AL), I’m looking forward to competing with her.
 
So, is it only in Norway that the advice from insurance companies and experts in home fire prevention strongly recommend not to charge your phone, Mac, watch or other devices during the night? I would certainly never ever sleep in a room where one of my gadgets are charging!

You've owned Samsung devices then.

(Someone had to do it.)
 
I got the LTE model Series 4 and I have done 3 hour long workouts with it so far (2 walks, 1 bike ride). All three times I was running the workout app and streaming music or podcasts to my AirPods simultaneously. This was also while on an LTE signal, not using a connection with my phone. Each time I've done that, my Series 4 battery has only gone down about 10%.
I set as a new Apple Watch every time. We'll see how it goes the rest of the week.
 
S3 would end the day on 70%
S4 ends the day on 55%

A little disappointing but not terrible or end of the world.
 
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