Fix Slow Charging on Samsung Galaxy S3, Note 3, S4, S5 & Others

slow charging issue on samsung galaxy devices

Slow charging is a major issue on older Samsung Galaxy devices. If you are an owner of a Galaxy S5, Galaxy S4, Galaxy Note 3, and Galaxy S3, then you will find this post really helpful to improve the battery life of your smartphone. Most of these smartphones come with a massive battery slotted inside them. The Galaxy Note 3 has a 3200mAh battery, the Galaxy S5 has a 2800mAh battery, the Galaxy S4 has a 2600mAh battery, and so on.

Beside big battery these Galaxy smartphones also have huge displays, which can put a huge pressure on the battery to last an entire day on heavy usage. Big smartphone screen contributes to fast battery drain. Samsung is famous for putting quality displays on its phones. This can also have its downside. Bigger and brighter screen on the Samsung Galaxy Note 3, Galaxy S4, and the Galaxy S5 means battery on these devices drains really quickly.

On a positive note, the official 2A charger that Samsung bundles in with Galaxy smartphones is pretty efficient when it comes to delivering fast charging. However, in some cases, faster charger doesn’t make the battery charge quickly. Battery level either stays on the same level or moves up at an extremely slow pace. If you are facing slow charging on Samsung Galaxy device, then the following reasons could be the main culprits behind the issue.

Also Read: How To Fix Samsung Galaxy S7 Battery Problems

Often times using the phone during charging slows down the charging speed. Even though Samsung’s chargers for Galaxy phones are powerful enough to deliver fast charging during use, but sometimes even that is not enough when you are using an app or game that is power hungry.


Playing graphics intensive games and multitasking consume more battery causing it to drain at faster even when plugged in to a charger. That’s why you see battery percentage dropping instead of going up while charging.

Also See: Samsung Galaxy S8+ Teardown Shows Same Battery Specs As On Note 7 – But Is it Safe?

Another reason could be a broken or damage charger. Mobile chargers tend to lose their effectiveness due to rough use over a prolonged period of time. And after some time they barely manage to charge a mobile device. That’s why it is recommended to use a standard mobile charger that comes with your device instead of using a third-party accessory. Try to avoid using knock-offs and copycat chargers because they don’t work at the same level as the original charger that comes packed inside the original device case.

In short, if your Samsung Galaxy S5, S3, S4, Note 3 or older device is facing slow charging, then try not to use phone until the charging is complete, or replace an older charger with a new official one and avoid third-party chargers.

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