Why Does My Phone Charge Slow

Does your phone take forever to get fully charged? Well, you’re definitely not alone. Slow charging is a common predicament that leaves many mobile users stumped. To better understand why this might be happening, let’s go through some key factors that could be causing your phone to charge more slowly.

Possible Reasons for Slow Charging

Multiple factors can contribute to slow charging on your phone. Among these factors could be the quality of your charging cable or the power output of your USB port. Some surveys have found that using lower quality cables and lesser standard USB ports can significantly reduce the speed at which your phone charges. For instance, a 2016 study revealed that using a non-original cable could reduce charging efficiency by almost 50%. Furthermore, USB ports that aren’t optimized also play a role in diminishing charge rates.

Checking Your Phone’s Battery

The condition of your phone’s battery also significantly affects its charging speed. If your device has an old or overused battery, it might take a toll on how fast it charges. Batteries that have undergone multiple charge cycles tend to degrade with time, thereby affecting their efficiency. Statistics suggest that a conventional lithium-ion battery loses about 20% of its capacity after 400 charging cycles. This degradation impacts the battery’s capability to take in and store power efficiently leading to slower charging times.

Impact of Phone’s Operating Temperature

Impact of Phone's Operating Temperature

Did you know the temperature around you could be affecting how fast your phone charges? Research shows that ambient temperature plays a role in the speed at which your device charges. Very high or low temperatures can lower the efficiency of charge intake by the battery, leading to slower charging times. Optimum battery charging occurs within a range of 20°C to 25°C (68°F to 77°F). For more factors that could be affecting your phone’s charging speed, this interesting article at Small Tech Innovations just might have your answer.

Worn-out Charging Cables

A worn-out charging cable is often a culprit when it comes to prolonged charge times. Your phone might be charging slowly because of lower quality or damaged cables. As previously mentioned in a study, using non-original or counterfeit cables can reduce the charging efficacy by half. Using higher quality and genuine cables ensures a constant power flow to your device.

Issues with Charging Port

The device’s charging port could also be a factor when it comes to slow charging. If the port is clogged, loose or simply not making proper contact, the power transfer is affected leading to slower charge times. Regular maintenance and cleaning of these ports can ensure efficient charging.

Role of Software Updates

You may not give much thought to your device’s software updates, but they play an essential role in its performance, including how fast it can charge. Outdated software could sometimes reduce the speed at which your telephone charges. By keeping your smartphone’s operating system and apps updated, you ensure optimal usage and extend your battery life.

Effect of Background Apps

Effect of Background Apps

Lastly, have you considered how much power all those background apps might be guzzling? Sometimes a phone may charge slowly if too many background applications are running simultaneously. According to some estimates, using your mobile while it’s charging can extend the charge time by 50% or significantly more depending on the nature of tasks being done. So next time you are charging your phone consider not multitasking!

If you are keen on understanding more about why your phone may be charging slowly, check out this comprehensive guide at Anker. Now that you know what might be slowing down your phone’s charging time, you can take steps to rectify the problem. Happy Charging!

Use of Wireless Chargers

Wireless chargers bring convenience and ease to the charging process. However, if your phone is charging slowly on a wireless charger, it could be due to electromagnetic induction techniques used in these devices. Wireless charging mats or pads often charge at a slower speed as compared to wired chargers. For instance, some iPhone models support 7.5-watt charging on Qi-enabled wireless chargers which is significantly lower than the speed at which certain cabled chargers perform.

In addition to this, the efficiency of wireless chargers depends massively upon the alignment of your phone. Misalignment can lead to reduced power transfer from the charger to your device thus extending the charging duration. Also, certain phone cases might interfere with the charging process, so it’s better to remove such cases before placing the device on your wireless charger.

Phone Settings and Charge Speed

Your phone settings play a crucial role in managing battery life and its subsequent charging speed. One significant setting that affects your device’s charge speed is the brightness of your screen. Higher brightness means higher power consumption which subsequently reduces charging speed if your device is plugged into a power source.

Moreover, keeping WiFi, location services or data on during charging can also lead to slow charging as these services consume substantial power. Similarly having your smartphone’s ‘always-on display’ feature enabled while it charges can slow down charge times. Switching to airplane mode could drastically improve charge time by minimizing background processes.

Ways to Increase Charging Speed

The first step in ensuring quick charge times is using high-quality certified chargers and cables for your device. Different devices need different power ratings for optimal charging; hence always use a charger that matches your device’s requirements.

Avoid using your device while it’s charging is another way to speed up the charging process. Applications running in the background even when your screen is off can consume a considerable amount of power and slow down charging times. Similarly, clearing your devices RAM or closing unused applications can also add to the efficiency of charging.

Keep your phone at optimal temperature while it’s charging also contributes towards faster charging. Exposal to high heat or extreme cold while on charge can cause the battery to work harder, thereby reducing its ability to store charge efficiently. The same temperature principles apply when using a wireless charger.

Finally, making sure your phone software is up-to-date and performing regular maintenance of the charging port can significantly increase the speed of charging. This is because newer software versions often come with updates that optimize battery usage and charge uptake. Also, having a clean charging port ensures maximum contact between the charger and device hence better power transfer.

The Final Charge

Understanding the reasons behind slow phone charging can pave the way towards more efficient practices that would allow you to charge your device in a shorter span. By vigilant about key factors such as types of chargers used, quality of cables, ambient temperature, phone settings, and keeping your phone’s software updated, you can significantly improve the speed at which your smartphone charges. Now you’re equipped with crucial knowledge that would lead you towards more efficient smartphone use in terms of power consumption and charging times.


Why is my phone charging slowly on a wireless charger?
Wireless chargers often charge at a slower speed as compared to wired chargers. Additionally, the efficiency of wireless chargers depends upon the alignment of your phone and can be affected by certain phone cases.
Can the environment temperature affect my phone’s charging speed?
Yes, very high or low temperatures can lower the efficiency of charge intake by the battery, leading to slower charging times.
Can software updates affect how quickly my phone charges?
Absolutely. Keeping your smartphone’s operating system and apps updated means running optimizations that can, among other things, make your charging process more efficient.
Do all phone charge cables have the same efficiency?
No. Lower quality or damaged cables can decrease charging rates. It’s advisable to use higher quality and genuine cables for a constant power flow.
Is it okay to use my phone while it’s charging?
Using your mobile while it’s charging can extend the charge time significantly due to consumption of power by background processes. To improve charge times, it is advisable not to use the phone while it is plugged in.
How can I increase my phone’s charging speed?
You can increase your device’s charging speed by using high-quality certified chargers and cables, closing unused applications, keeping your device at optimal temperatures during charging, as well as maintaining updated software and cleaning up the charging port regularly.