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How to recharge the battery of a smartphone or tablet quickly and efficiently

Posted: , by Nick T.

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How to recharge the battery of a smartphone or tablet quickly and efficiently
Picture this: it is Friday evening and you're about to go out. You have your new clothes on, your hair is all done, and you're ready to spend some quality time with your buddies. But then you reach for your phone only to realize that its battery is nearly empty.

We've probably all been in a situation like this, and it definitely doesn't feel good. However, there are several tricks that you can use whenever you need to recharge your phone or tablet in the fastest or most efficient manner possible. Read on to learn more, and as always, feel free to share your tips on faster recharging down in the comments.

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posted on 18 May 2014, 17:29 3

1. Mxyzptlk (Posts: 12958; Member since: 21 Apr 2012)

Or just use a battery pack or remember to recharge your phone?

posted on 19 May 2014, 09:05 1

26. suneeboy (Posts: 201; Member since: 02 Oct 2012)

For people constantly on the go or on the road that isn't so easy. That's the purpose of this article.

posted on 19 May 2014, 10:43 1

27. Reluctant_Human (Posts: 886; Member since: 28 Jun 2012)

Most portable battery packs can charge phones and tablets to a full charge multiple times and have a 2 amp plug for quick charging. That's what I use in this situation especially since they're small enough to fit in a jacket pocket comfortably.

posted on 19 May 2014, 12:58 1

28. Synack (Posts: 677; Member since: 05 Jul 2011)

Can you combine #7 (the two USB plugs) with two 2amp chargers to get 4 AMPS charging!?!??

posted on 24 Feb 2015, 20:53

36. CelticZ2U3 (Posts: 1; Member since: 24 Feb 2015)

Yes, but you won't get 4 amps total. It will charge your device at the maximum power rating of 5v & 2.7amps, all in all 18% faster then 2 amps!

posted on 30 May 2014, 19:16

34. bob_monkeywarts (Posts: 236; Member since: 14 Apr 2014)

Well, then you need to charge the battery pack...

posted on 18 May 2014, 17:41 2

2. clevername (Posts: 1436; Member since: 11 Jul 2008)

I usually stand on top of tall buildings wrapped in tin foil. 1 Lightning strike, 2 if I have my tablet usually fill the ol' battery meter right up. And instantly too!

posted on 18 May 2014, 18:41 5

9. tedkord (Posts: 11616; Member since: 17 Jun 2009)

1.21 gigawatts!

posted on 18 May 2014, 17:41 2

3. fzacek (Posts: 2486; Member since: 26 Jan 2014)

Who even charges their phone from their computer? What's wrong with a wall socket?

posted on 18 May 2014, 21:04

15. andynaija (Posts: 896; Member since: 08 Sep 2012)

What if a wall socket isn't close to you?

posted on 18 May 2014, 21:49

16. fzacek (Posts: 2486; Member since: 26 Jan 2014)

That's really only the case if you're traveling somewhere. The average person usually has access to a wall socket most of the time...

posted on 19 May 2014, 05:08 1

23. ahomad (Posts: 175; Member since: 15 May 2012)

Then you need to get close to one because your computer's battery is more likely to run out before your phone's. External battery is a better solution. unless we are talking about sitting in your home but far from any socket, in which case any USB cable is good to keep your phone running for few minutes/hours till you decide to get to a socket and fully charge it.

My point is that you don't need any of the above solutions to FULLY charge your phone from your computer/laptop, either use socket or external Battery Pack.

posted on 18 May 2014, 17:47 4

4. maherk (Posts: 3724; Member since: 10 Feb 2012)

Since the Note 2, Samsung has went with 2 amp chargers for all of their flagships.

posted on 18 May 2014, 17:52

5. chocowii (Posts: 445; Member since: 30 Jan 2014)

Windows phone doesn't charge while off. It turns it self on when you charge it off. Just saying.

posted on 18 May 2014, 19:49

13. AJagtiani (Posts: 466; Member since: 24 Apr 2014)

You can do that with WP 8.1

posted on 18 May 2014, 22:01 1

17. Arte-8800 (banned) (Posts: 4562; Member since: 13 Mar 2014)

All these years you couldn't finally you can

What a POS BS platform

posted on 18 May 2014, 22:04

18. Arte-8800 (banned) (Posts: 4562; Member since: 13 Mar 2014)

2 years of he'll and misery I went through wp7 Wp8 finally on Wp8.1 you can

Wp7 Wp8 sucks

posted on 18 May 2014, 17:58

6. buccob (Posts: 2564; Member since: 19 Jun 2012)

Thanks for the Ai Charger, will try in my Asus notebook... I do love that Asus copy Macs sometimes

posted on 19 May 2014, 08:00 2

24. buccob (Posts: 2564; Member since: 19 Jun 2012)

OK I just tried Ai Charger, and apparently it only works for Apple devices... :-S

So yeah, I do not love Asus copying Macs too much now.... hehehe

posted on 18 May 2014, 18:25

7. networkdood (Posts: 6330; Member since: 31 Mar 2010)

If the tablet is something that runs only on wifi, just always run it with airplane mode ON...

posted on 18 May 2014, 18:32

8. almostdone (Posts: 231; Member since: 25 Sep 2012)

I use a microUSB charger from my old blackberry playbook. I found it to charge very quick... Better than the supplied Samsung wall charger.

posted on 18 May 2014, 19:31

10. kylehudsons (Posts: 53; Member since: 04 Apr 2012)

Never bothered me at all... I just swap the battery which I have already charged beforehand...

posted on 18 May 2014, 19:45

11. aspleme (Posts: 14; Member since: 18 May 2014)

Really? It seems almost as though this article was written from a google search. I hate seeing the airplane mode myth perpetuated. Your phone barely uses any power to stay connected. Check the standby time for your phone... if it is able to last hundreds of hours when not in use, then the drain during a 2 hour charging session is obviously almost meaningless.
Here is a more sensible list:
1. Make sure you screen is off and you aren't trying gaming while charging.
2. Use the wall adaptor that came with your phone. 9 times out of 10, it will supply all the amps your phone can take.
3. If you don't have the original adaptor or your phone didn't come with one, make sure you purchase one that provides greater than or equal to the amps that your phone can take.
4. If you get a car charger, apply rule #3. No reason to be stuck with only 0.5 amps.

posted on 18 May 2014, 19:48

12. wilsong17 (unregistered)

or just use a charge with the original cable with 2.o amp

posted on 18 May 2014, 19:55

14. BattleBrat (Posts: 1455; Member since: 26 Oct 2011)

I charge through a computer so that the device charges slower, better for the battery, my RAZR was 2 years old and I was still getting 36 hours out of it.

posted on 18 May 2014, 22:30

19. haroonazeem638 (Posts: 141; Member since: 29 Mar 2011)

What is number 7 called? micro usb with 2 usb ports?

Also, if I use two stock wall chargers and plug both usbs at the same time in the wall, will it damage my phone in anyway or just charge really fast?

I get an output of 2.0 A from each of those wall chargers. Would it be like 4.0 A if I used two of them at the same time to charge the phone or is it too much current for a smartphone to handle?

posted on 18 May 2014, 23:39

20. GreekGeek (Posts: 1276; Member since: 22 Mar 2014)

I purely use the provided 1800 MiliAmpere current SAMSUNG cables along with its stock 5.3v 2 Amp charger.for my Tab Pro 8.4 (I have two of these) for all of my handheld devices (3 phones, 2 tablets), man I tell ya, this charger is pretty efficient and fast!

Those El Cheapo Chinese Cables are only capable of handling 500-800 MiliAmp current so you might want to AVOID those because they charge extremely slow.

Buy only ORIGINAL cables, SAMSUNG USB cables are the best out there

posted on 19 May 2014, 00:50

21. dealova (Posts: 31; Member since: 19 May 2014)

Do you mean the white one ? I thought it is 5V 2A output (not 5.3V)

How do you know it is 1800mA current cable ?

posted on 19 May 2014, 02:24 1

22. GreekGeek (Posts: 1276; Member since: 22 Mar 2014)

Newer Samsung chargers come with a 5.3v 2A output, well within the safe limit and can be used with any phones and tablets

There is an app called Galaxy Charging Current, gives pretty accurate reading, that's why i ditched every China cable that i had because i thought they were all the same lol

posted on 19 May 2014, 08:06

25. dealova (Posts: 31; Member since: 19 May 2014)

I think to charge a phone with 1A or 2A chargers will overheat the battery, don't you think so ? Most original chargers are 700mA.

posted on 19 May 2014, 14:50 1

29. TheGenius (Posts: 339; Member since: 06 Mar 2014)

Lol.. no man.

Most original chargers are around 900mA and samsung uses 2000mA since they launched note 2
And I tell you the proven fact .. samsung devices are among best when it comes to charging and battery life combined!

posted on 19 May 2014, 16:28 1

30. V3TTOO (Posts: 27; Member since: 29 Nov 2012)

Not sure about the amps data being correct. From what I understood in the research I have done, amps are "drawn" by the device. So if you provide a charger with more amps, it will only draw the amps specified. e.g. Using a 2.1A tablet charger on a 1.5A phone will not cause it to charge faster than on a 1.5A charger, it will still draw 1.5A from the 2.1A charger.

posted on 19 May 2014, 17:05 1

31. GreekGeek (Posts: 1276; Member since: 22 Mar 2014)


My point being was, to get the most out of your charging without *wasting* any Amp current (eg poorly constructed USB cable), it is best to stick to the original chargers that came with your device

posted on 19 May 2014, 22:27

32. MaximumS (Posts: 6; Member since: 20 Jan 2014)

Or just bring a portable external battery charger for emergencies. I put one of the ravpower luster 3,000mAh in my purse for daily use.

posted on 23 May 2014, 21:53

33. kusala (Posts: 1; Member since: 23 May 2014)

Recently, I started using an app called Battery Doctor [same developer as Clean Master] on my Chinese android phone & galaxy tab. It is a battery saver and charging optimizer. I was surprised that my tablet charges more quickly on standby using Battery Doctor than what it does when switched off. In general, I find charging is quicker using non-propietary wall chargers [i.e. wall chargers with higher mAh]. When travelling with my phone, I take a second battery & external charger.

posted on 31 May 2014, 12:56

35. grivera96 (Posts: 3; Member since: 04 May 2014)

I always see 2 versions of the same story... it is safe to charge a phone with a tablet charger/it isn't. So will I have any problem if I charge daily my Moto G with my galaxy note 8.0 charger? The moto G charger takes forever to charge with its original charger.

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