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4 min read 36 comments

5 reasons your Android battery is charging slowly

You know the deal: hot date lined up for tonight, got home late from work, no chance of your battery lasting all night and only 15 minutes to charge. But your battery always seems to take so much longer to charge than everyone else's so you know that won't be enough. So what's the deal? Why is your battery always slow to charge? Here are the main culprits and what you can do about them.

Watching that battery meter slowly increase doesn't have to be so painfully slow. / © AndroidPIT

Your cable sucks

The first offender in any case of slow-charging should always be your USB cable. Just take a look at it: guilty as hell. Considering the awful treatment my USB cables undergo, it's no wonder that it is usually why my phone won't charge faster.

USB cables get bent, twisted, coiled, run over with chair wheels and generally abused: all of these are not very good for maintaining a solid connection and flow-through of power. Be sure to check the ends too: they can very easily get full of fluff.

nexus 5 cable
Yeah. Not good. I'm sure you can tell why this USB cable needs to be replaced. / © ANDROIDPIT

Your power source sucks

The next obvious question is where are you getting your power from? If you have a USB cable plugged into your laptop then your phone is going to charge insanely slowly and you'll deserve it. Likewise Qi wireless charging. While Qi is brilliant technology, that brilliance comes at the cost of speed.

Your best bet is to have your phone plugged direct into mains power at the wall socket. But even this can be problematic, especially if you're in an old building where the wiring might be a little sketchy. If you think this could be the problem, move to another outlet (and then call an electrician).

samrtphone usb laptop
Charging your phone through your computer will slow it down. / © ANDROIDPIT

Your charger sucks

To complete the trifecta, if it's not your power source or your cable, chances are that it's the actual adaptor you're using that is causing your battery to charge slowly. There's a reason every manufacturer provides a specific USB adaptor for each phone they ship.

Switching adaptors between phones can mix-match voltage, wattage, ampage and general powerage. So stick with the adaptor that came with your phone or at the very least take a look at the fine print on it and replace it with another adaptor of the same type.

ZENS Single Wireless Charger 3
Using Qi wireless charging will also take longer than cabled charging. / © ANDROIDPIT

Your phone sucks

Sorry, but it's true. If you're sitting there wondering why your Galaxy S2 takes so long to charge it's because your phone sucks. Newer processors not only support fast charging, but newer phones even come with turbo charging chargers. The Galaxy S6, for example, can get your four hours' worth of usage after just ten minutes plugged in.

Other phones that support fast charging will have a lightning bolt icon on the charger itself), possibly along with turbo charging output figures. Your phone can also become a pocket lint cave too, so check your microUSB port and make sure the little flap in the port isn't bent while you're looking in there. Your battery might just be kaput too, so ask yourself how old it is.

Micro USB
Old phones, fluff in the port or bent connectors can all cause your battery to charge slowly. / © ANDROIDPIT

You suck

It's true - you're the worst thing preventing your phone charging quickly when you can't keep your hands off it. Seriously, if time is of the essence, your best bet is to leave it alone. Mindlessly scrolling through your Insta feed while watching your battery percentage go nowhere is no one's fault but your own.

So leave your phone alone when you charge it, or better yet, turn it off entirely. That's actually the absolute best way to charge a phone quickly: turn it off, plug it into a wall with the original charger and have your socks off when you come back to it. Even after as little as 15 minutes. Now put a nice outfit on - your hot date awaits.

AndroidPIT Swing Copters teaser
Fighting the urge to use your phone while it's charging will help it charge faster. / © ANDROIDPIT

How long does your phone take to charge? How do you usually charge your phone?


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  • this article made me laugh out loud. and yes, it was the cable for me. XD

  • Hey Kris. Nice article to help give folks who aren't tech savvy some ideas about why their phone might not be charging as fast as they would like. A a Clinical Psychologist, my impression of the negative and rude comments below suggests a diagnosis of Morosoph.
    Certainly there are other more technical challenges that can impede charging but you provided some useful info that I predict many folks found useful.

    There appear to be many folks in the world full of bitterness that I hope can find a better way to feel better than to provide derogatory remarks to others.

    Dr. K in Iowa

  • Rose 4 months ago Link to comment

    Any suggestions for someone who isn't mentally deficient and has basic critical thinking skills? Maybe a better place for me to look would be "how to tell what's causing your phone to charge slow. A guide for the tech savvy, geniuses, and those older then four" detailing how to tell if its the battery or contacts on the phone itself.

  • But still incorrect

  • This exactly written the way it was written to make way more sense than the actual actions.. #kindabeenthere

  • Singularly unhelpful.

  • i find this article very amusing. why are people even getting butthurt from an article?

  • I have the same phone as my friend (Reason 4 eliminated), used same power source, charger and cable which he uses (reason 1,2,3 eliminated) and left the phone undisturbed (reason 5 eliminated), still his phone charges quicker than mine. So, actually YOU SUCK for shitting anything on internet.

  • My battery stuck at 3% when i use my charger so i bought universal charger then its OK now

  • This is a joke seriously you guys SUCK

  • Thanks for wasting my time. These are super obvious sources for this issue. Anyone smart enough to google this issue is smart enough to check if the charger or power source is the culprit. Im trying to use google to find an actual solution and smug cunts like you clog up the search results with your completely redundant articles that do nothing to help.

  • I am using lenovo vibex2. Since 6 months. Normally it takes 1.5 hrs to fully charged the battery. But now it takes more than 2.5 hrs and it's stucks at some50 percentages. It's battery is non removable and I found a slight bulging at the back cover.. . . PLEASE HELP ME, WHAT IS THE PROBLEM? AND WHAT SHOULD I DO?

    • Yeah...the bulge is really bad. It means the battery could burst at any given moment. And since you said you can't remove it...yeah get a new one.

      • Screw that. unscrew that! Source the battery, buy a new one, replace it, screw it back together. This is why they are all going to non-removable batteries. $$$ when a little user interaction would save that. Remember the days when people fixed things? Now we live in an age of throw it away, buy a new one. I once turned a samsung galaxy tablet into a rather spiffy picture frame.

  • Omg it's called humor people! I'm so tired rofpeople being so easily offended! Grow the hell up.

  • You are offending the public, and I'll have you know my uncle is a lawyer.

  • Wow this page is (suck) why you r mocking people thing

    • Zommy May 19, 2016 Link to comment

      Don't be so butt hurt. Hes kidding. I found the article amusing.

      • You weren't even looking for a helpful article, were you. So that's why you find it humorous. It's hard enough trying to recite google-fu incantations for a specific yet hard to pinpoint problem, without having the guffaws in the way.

  • I have had my Samsung s4 for just over a year and just put a sd card in now it's taken Al day to change and still only 50%charged can anyone help

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