While battery life on cell phones improves with every new release, most of us still need to charge our phones at least once a day or so. This is fine for most people, but over time, many people will start to notice that their phones begin to charge slowly. This can be incredibly frustrating and can lead to your phone taking forever to charge or not fully recharging anymore. So why do our phones charge slowly?
Well, there are actually quite a bit of different reasons why the charging on our phones might not seem as speedy as it once was. Here are just a few of the potential culprits:
A Bad Charging Cable
Of course, a bad USB cable is one of the first places you should look if your phone is charging slowly. These cords get bent, tossed, around and stepped on, so it is no surprise they have relatively short lives. Lots can go wrong with these cables so if your phones charge slowly, a bad USB charging cable could be to blame. Also, mixing and matching cables and adapters can sometimes result in incompatible signalling, which can make phones charge slowly. When in doubt, stick with the official cable and adapter or with quality alternatives. If you need to replace cables, ones that are short and thicker often will yield you the best results, as research shows these can help with faster charging.
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Your Power Source Is Weak
Where you plug your phone in to charge it is one of the biggest indicators when it comes to how fast your device your charge. Many people think “charging is charging”, but that isn’t the case. Charging through a USB 2.0 port on your computer will only yield about .5 amps of energy output. So if you have only been using your laptop or car USB port (which is also slow) to charge your phones, you shouldn’t be surprised when your device charges slowly. A simple wall charger is likely the way to go. Thankfully you don’t have to settle for slow 1 amp charging with 2A or even 2.4A options for twice as fast recharge speeds.
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Your Phone is Physically Damaged
When you drop your phone or toss it around, you not only damage the visible outer layer of the device, but also all of the technology inside the phone as well. There is a chance that your USB port of the internal charging functionality has been damaged in some way, which is causing your phone to not charge correctly. If this is the case, you will likely need to take the phone in for repair as changing batteries, charging cables or power sources will not help.
The Battery Itself Could be the Actual Issue
However, the problem might not always be with the accessories you use or because of the damage to your phone. The problem could actually be the battery itself, most notably the age and wear and tear of your battery. Cell phones often use a lithium-ion battery and over time, the voltage and capacity of these batteries will begin to diminish. This will mean that not only will your phone die quicker than it did in the past, but also that it might take longer to charge due to the ions being weaker.
Unfortunately, this is just something that happens over time as lithium-ion batteries normally will only have a life-cycle of about 1000 cycles. As a result, if you charge your phone once a day, you will only have get about three years or so out of any battery before it starts to exhibit issues such as slower charging or quicker discharging.