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Old May 3rd, 2013, 12:13 PM   #1 (permalink)
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Default GS4 owners...How long does it take your phone to charge?

So trying to get a pulse on how long it takes to charge the GS4...

All posts, thoughts, and experiences are welcome from charging it from 5% to 100%, 50% up to 100%, etc, etc...

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Old May 3rd, 2013, 01:17 PM   #2 (permalink)
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I always try to keep my battery above 50%, like my gas tank.

I haven't really monitored how long it takes yet though.. I believe it to be pretty quick, but that's when I'm not doing anything on it. What I have noticed, is that if I'm doing anything streaming or downloading related while it's on the charger, my battery life doesn't really increase or decrease by more than 1%. That's also usually with the display on.


Hope that helps a little
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Old May 3rd, 2013, 03:44 PM   #3 (permalink)
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Charge it when its about 60-70 just to be safe, its only my 1st full day so may change
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Old May 3rd, 2013, 05:38 PM   #4 (permalink)
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It's very quick I must say, I'm pretty sure it's doing 10% every 10mins or so, so 0-100% can be done in around 1h40min to 2h, it seems to slow down between 90-100% so thats why I say 2h, but upto 90% it seems to just fly through the charging.
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Old May 3rd, 2013, 08:12 PM   #5 (permalink)
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Well the battery was 50% charge when I received SGS4 yesterday and it took approximately between 1 - 2 hours to reach the full charge status with the light turning blue from a pink magenta. I let it ran down to less than 10% this evening and it took approximately between 3-4 hours to fully charge. Mind you, I wasn't actively timing each charging session with a stop watch so the times I stated are just my estimations on the time it actually took while I was moving around my home doing other activities and minding that mini me (my son) didn't mess with S4 while it was charging.
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Old May 3rd, 2013, 10:00 PM   #6 (permalink)
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I believe this is why our phone charges so fast (snapdragon 600 owners anyways):

Qualcomm details Quick Charge 2.0 and Snapdragon Voice Activation: 75 percent faster charging, wake by speaking
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Old May 3rd, 2013, 10:57 PM   #7 (permalink)
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The S4 uses the same Samsung 2A charger the Note 2 used, so it isn't just Snapdragon fast charging in action here.
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Old May 4th, 2013, 06:41 AM   #8 (permalink)
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I would agree with 90 mins to 120 minutes.

First time I put it on charge I was surprised when I came back at just over an hour to see it on 90%, a good surprise of course.
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Old May 4th, 2013, 10:25 AM   #9 (permalink)
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Lol...my HTC one takes about 2 and a half hours to reach a full charge....

Clearly the S4 is in iPhone 5 territory with how fast it charges
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Old May 4th, 2013, 12:28 PM   #10 (permalink)
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I was down to 11% a couple of days ago. It took right at 2 hours to recharge to 100%. I just happened to be standing near the phone when I saw the light switch from red to green indicating a full charge was achieved. This is with the phone on, in standby. I don't know if it will charge faster if the phone is off or not.
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Old May 4th, 2013, 01:25 PM   #11 (permalink)
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Per the owners manual, it takes approximately 4 hours to fully charge a dead battery.
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Old May 4th, 2013, 09:31 PM   #12 (permalink)
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It most certainly doesn't take four hours!

Two hours tops, and it will charge rapidly up to 80-90%.
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Old May 4th, 2013, 10:26 PM   #13 (permalink)
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Mine takes no more then 2 hrs on a very low battery. Only 45 mins to an hour at 40 to 45 percent.
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Old May 5th, 2013, 11:14 AM   #14 (permalink)
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Quick Charge 2.0 is only on the Snap Dragon 800 not the 600. The S4 uses the 600.
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Old May 5th, 2013, 01:44 PM   #15 (permalink)
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Mine charges super fast. My battery was at 15% and an hour later it was already at 85%.
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Old November 19th, 2013, 04:20 PM   #16 (permalink)
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S4 charges in less than 2 hours time.. but you can notice 1-3 % drop in minutes even if the phone is locked.. or shall i say, the unit is idle.. (not to mention the default apps that are running. . .)
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Old November 19th, 2013, 08:42 PM   #17 (permalink)
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Put it in airplane mode and lose about 3% overnight.
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Old November 19th, 2013, 10:01 PM   #18 (permalink)
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Quote:
Originally Posted by speedlever View Post
Put it in airplane mode and lose about 3% overnight.
with your statement.. you are saying that .. the drop in percentage even a phone is idle / not being used but NOT OFF. .is "normal"
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Old November 19th, 2013, 10:32 PM   #19 (permalink)
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Yes, that is correct.

The phone is not shut off, but is sleeping. Even so, there is activity going on. Get wakelock detector or similar app and monitor what wakes your phone.

https://play.google.com/store/apps/details?id=com.uzumapps.wakelockdetector&hl=en
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Old November 19th, 2013, 10:42 PM   #20 (permalink)
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Quote:
Originally Posted by speedlever View Post
Yes, that is correct.

The phone is not shut off, but is sleeping. Even so, there is activity going on. Get wakelock detector or similar app and monitor what wakes your phone.

https://play.google.com/store/apps/details?id=com.uzumapps.wakelockdetector&hl=en
I am using battery doctor.. seems similar to the product given.. the top notch is Android OS. .followed by Screen.. (no questions for the screen) but for the OS.. a bit confused..
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Old November 19th, 2013, 11:17 PM   #21 (permalink)
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From 5% to 100%, mine takes around 2 hrs in standby mode. It charges in about 1 1/2 hrs if my phone is off during charging. I use my phone as an alarm clock, so the screen is on, but dimmed, and it takes about 2 1/2 hrs. from 5% to 100%. For the size battery the S4 has, it charges really fast in a short period of time.
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Old November 20th, 2013, 08:00 AM   #22 (permalink)
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I let mine go down to 20% and it takes about 90 min to charge back to 100% in the phone.
The Samsung charger takes about twice as long to charge from 20%. That's why I have two batteries, one is always full and ready to go
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Old November 21st, 2013, 10:44 AM   #23 (permalink)
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Using the stock charger (which is the best phone charger I've ever used, hands down) two hours from completely flat to completely full.
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Old November 21st, 2013, 10:14 PM   #24 (permalink)
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Quote:
Originally Posted by lotus49 View Post
Using the stock charger (which is the best phone charger I've ever used, hands down) two hours from completely flat to completely full.
and how about your battery usage?
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Old November 22nd, 2013, 07:38 AM   #25 (permalink)
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Quote:
Originally Posted by icedtea View Post
and how about your battery usage?
Pretty ropey to be honest, which is why I have so much experience of charging a completely flat battery and why I always carry two fully charged spare batteries.

Fortunately, swapping batteries takes about a minute so I have never had to put up with a phone with no power.
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Old November 25th, 2013, 03:07 PM   #26 (permalink)
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Depends on how I am charging and the rating of the transformer I'm using. Here are some examples:

If I use the wall plug and cable provided by Samsung with my S4, then I charge at about 1900 mA. The wall charger is rated at 2.0 A. My phone charges very quickly.

I have an HTC charger that is rated lower than that, so I get about 1340 mA. That charges the phone somewhat slower than the one above.

I have another wall charger that only charges at about 300 mA. It's not designed to charge phones, but other micro-USB chargeable devices (e.g., blue tooth device), so charging is very slow, and may not be sufficient to actually charge the phone if I am using the phone. That is, the battery drain may be about the same as the charging.

Using a computer USB2 slot, I charge at about 460 mA--about 1/4 as fast as an OEM wall charger. From my USB3, I get about 700 mA.

For quickest results, then, use the Samsung OEM wall charger.

Here is a free app that can tell you the amperage of the charger you have plugged into the phone. There is a pro/paid version, as well:
https://play.google.com/store/apps/details?id=com.abmantis.galaxychargingcurrent.free &hl=en
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Old November 25th, 2013, 10:12 PM   #27 (permalink)
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Ever since the last update to 4.2.2, my GS4 with stock cable and charger only does 1200mAh instead of the 1900mAh it used to do.
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