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How to Fast Charge Your Galaxy S23: Settings & Charging Tips

March 29, 2025 Updated 2 weeks ago 10 min read

If your Galaxy S23 is charging slowly, the problem may not be the phone itself. The S23 supports Samsung’s Super Fast Charging over a wired connection, but the correct charging setting, compatible USB-C power source, cable, temperature, battery level, and charging-port condition can all affect how quickly it charges.

For the standard Galaxy S23, the maximum wired charging rate is 25W. The Galaxy S23+ and S23 Ultra support up to 45W wired charging, so using a higher-wattage charger does not make the standard S23 charge beyond its supported 25W limit.

How to Fast Charge Your Galaxy S23

  1. Use a compatible USB-C wall charger. For the standard Galaxy S23, use a charger capable of supporting Samsung Super Fast Charging and up to 25W output.
  2. Connect the charger directly to a wall outlet. Charging through a computer or another USB device can be slower than using a suitable wall charger.
  3. Turn on Fast charging. Open Settings > Battery > Charging settings, then enable Fast charging.
  4. Connect the USB-C cable securely. Make sure both ends are fully inserted into the charger and Galaxy S23.
  5. Keep the phone cool while charging. Heavy gaming, navigation, video recording, or other demanding tasks can increase heat and affect charging speed.
  6. Leave the screen off when possible. Avoid intensive use while the phone is charging if you want it to reach a higher charge level faster.
  7. Check the charging port. Dust, debris, moisture, or a damaged connector can interfere with charging.

Samsung explains that the Galaxy S23 series combines the Fast charging and Super fast charging controls into the Fast charging setting. The phone also determines the fastest available charging speed based on the connected charger and the phone’s charging conditions.

Samsung’s charging troubleshooting guide also recommends checking the charging settings, cable, power source, battery protection settings, charging port, and moisture detection when charging is slower than expected.A Samsung Galaxy S23 connected to a USB-C charger and displaying 25W Super Fast Charging on its screen, illustrating how to fast charge the Galaxy S23 using a compatible wired charger.

What Charging Speed Does the Galaxy S23 Support?

The standard Samsung Galaxy S23 supports up to 25W Super Fast Charging over a wired connection. The Galaxy S23+ and Galaxy S23 Ultra support up to 45W wired charging.

This distinction matters because a 45W charger can be connected to a standard Galaxy S23, but the phone does not suddenly become a 45W charging device. The phone controls how much power it accepts.

Samsung’s current Galaxy S23 charging information lists the standard S23 at up to 25W Super Fast Charging, while the S23+ and S23 Ultra can reach up to 45W with compatible charging equipment.

How to Turn On Fast Charging on the Galaxy S23

If Fast charging is disabled, the phone may charge more slowly even when you are using suitable charging equipment.

  1. Open Settings.
  2. Tap Battery.
  3. Tap Charging settings.
  4. Turn on Fast charging.

On the Galaxy S23 series, Samsung combines the Fast charging and Super fast charging controls under this setting. If you cannot find a separate Super fast charging switch, that is expected on the S23 series.

Use a Wall Charger Instead of a Computer USB Port

One of the easiest ways to improve charging speed is to connect the Galaxy S23 to an appropriate wall charger rather than a computer, monitor, keyboard, vehicle USB port, or other low-power USB source.

Samsung states that charging from a computer or another USB device can take longer. For the fastest normal wired charging experience, connect a compatible charger directly to a wall outlet.

Does a 45W Charger Fast Charge the Galaxy S23?

Yes, you can use a compatible 45W charger with the Galaxy S23, but the standard S23 remains limited to its supported charging rate. Samsung lists the standard Galaxy S23 at up to 25W wired Super Fast Charging.

Therefore, buying a higher-wattage charger does not turn the standard S23 into a 45W phone. If your goal is simply to get the S23 charging as quickly as it is designed to charge, a compatible 25W-capable charging setup is sufficient.Samsung Galaxy S23 fast charging setup with USB-C and wireless charging accessories

Does the Galaxy S23 Need a Special USB-C Cable for Fast Charging?

The cable matters because charging performance depends on the complete charging setup, not just the wattage printed on the wall charger.

Use a USB-C cable that is appropriate for the charging power and protocol supported by your charger and phone. Samsung’s charging accessory documentation also identifies cable requirements for its higher-power charging accessories.

If Fast charging is not appearing, try another known-good USB-C cable. A damaged cable, loose connector, contamination, or cable that cannot properly support the charging setup can cause charging problems.

How to Fast Charge Your Galaxy S23 Wirelessly

The Galaxy S23 also supports wireless charging, although wired charging can provide a faster charging route than wireless charging.

  1. Place the Galaxy S23 on a compatible wireless charging pad or stand.
  2. Center the phone on the charging surface.
  3. Make sure Fast wireless charging is enabled under Settings > Battery > Charging settings.
  4. Remove anything that may interfere with proper alignment between the phone and charger.
  5. Avoid intensive phone use while charging if you want to minimize heat and charging interruptions.

Samsung lists 15W wireless charging accessories for the Galaxy S23 series. Actual charging speed can vary depending on the charger, alignment, temperature, battery level, and other charging conditions.

Why Is My Galaxy S23 Charging Slowly?

If your Galaxy S23 says it is charging but the battery percentage is increasing slowly, work through these checks before assuming the battery or phone is defective.

1. Fast Charging Is Turned Off

Go to Settings > Battery > Charging settings and make sure Fast charging is enabled.

2. You Are Using a Low-Power USB Source

Charging from a computer or another USB device may be slower than charging from a compatible wall adapter.

3. The Charger Does Not Support the Required Charging Standard

The charger needs to support the charging technology required for the Galaxy S23’s faster charging modes. A charger with a high wattage number is not automatically equivalent to a charger that supports Samsung’s required charging protocol.

4. The USB-C Cable Is the Problem

Try a different compatible USB-C cable. If the phone charges normally with another cable, the original cable may be limiting the charging connection.

5. The Phone Is Too Warm

Temperature can affect charging. If the S23 becomes hot while gaming, recording video, using navigation, or performing another demanding task, stop intensive use and allow the phone to cool before continuing.

6. The Charging Port Contains Dust or Debris

Inspect the USB-C port carefully. Dust or debris can prevent the cable from making a proper connection.

Do not insert metal objects or liquids into the charging port. If you suspect moisture is present, allow the port to dry before attempting to charge again.

7. Battery Protection Is Affecting Charging

Samsung includes battery-protection features that can change charging behavior under certain conditions. Check Settings > Battery if your phone consistently stops charging or behaves differently from what you expect.

Why Does My Galaxy S23 Stop Fast Charging?

Fast charging does not necessarily remain at the maximum charging rate throughout the entire charging cycle. Charging behavior can change as the battery level rises and as the phone manages temperature and battery protection.

That means seeing the charging speed change during a session does not automatically indicate a faulty charger or cable.

Can You Fast Charge the Galaxy S23 While Gaming?

You can charge the Galaxy S23 while gaming, but gaming places additional demand on the phone and can increase heat. Higher temperatures can affect charging behavior.

Samsung also offers a Pause USB Power Delivery feature on supported Galaxy devices and compatible charging equipment. The feature is designed for certain gaming scenarios by supplying power to the phone’s system rather than directing all available power toward battery charging.

If your priority is the fastest conventional battery charging, avoid demanding games and other heavy workloads while charging.

How to Get the Fastest Charging From Your Galaxy S23

  • Use a compatible wall charger rather than a computer USB port.
  • Make sure Fast charging is enabled.
  • Use a suitable USB-C cable.
  • Keep the charging port clean and dry.
  • Remove intensive workloads while charging.
  • Keep the phone from becoming excessively hot.
  • Do not expect a 45W charger to make the standard S23 charge above its 25W limit.
  • Use a compatible wireless charger if you prefer wireless charging, but expect wired charging to be the faster option.

What to Do If Fast Charging Still Does Not Work

  1. Restart the Galaxy S23.
  2. Confirm that Fast charging is enabled.
  3. Try a different compatible USB-C cable.
  4. Try a different compatible wall charger.
  5. Plug the charger directly into a wall outlet.
  6. Check the USB-C port for dust, debris, or moisture.
  7. Allow the phone to cool if it is hot.
  8. Check Battery settings for battery-protection behavior.
  9. Install available software updates.
  10. If the problem continues with multiple known-good chargers and cables, contact Samsung support or an authorized service center.

Galaxy S23 Charging: Wired vs. Wireless

Charging methodWhat to expectBest use
Wired Super Fast ChargingUp to 25W on the standard Galaxy S23Fastest normal way to charge the S23
Fast wireless chargingUp to 15W with compatible equipmentConvenience without plugging in a cable
Computer USBMay charge more slowlyConvenient when a wall charger is unavailable

Useful Galaxy S23 Guides on Gizmosum

If you are troubleshooting or setting up your Galaxy S23, these related guides can help:

Frequently Asked Questions

How fast can the Samsung Galaxy S23 charge?

The standard Galaxy S23 supports up to 25W wired Super Fast Charging. The Galaxy S23+ and S23 Ultra support up to 45W wired charging.

How do I turn on fast charging on my Galaxy S23?

Go to Settings > Battery > Charging settings and enable Fast charging.

Does the Galaxy S23 support 45W charging?

The standard Galaxy S23 supports up to 25W wired charging. Samsung lists up to 45W for the Galaxy S23+ and Galaxy S23 Ultra.

Why is my Galaxy S23 charging slowly?

Check Fast charging, the wall charger, USB-C cable, charging port, temperature, battery-protection settings, and whether you are charging through a low-power USB source.

Is wireless charging faster than wired charging on the Galaxy S23?

No. Wired Super Fast Charging can reach up to 25W on the standard Galaxy S23, while Samsung lists up to 15W wireless charging for compatible charging equipment.

Does using the phone while charging make charging slower?

Demanding activities such as gaming, video recording, and navigation can increase power consumption and heat, which can affect charging behavior. Keeping intensive workloads to a minimum can help the phone charge more efficiently.

Final Thought

The quickest way to fast charge a standard Galaxy S23 is straightforward: use a compatible wall charger, enable Fast charging, use a suitable USB-C cable, and keep the phone cool while it charges. The standard S23 supports up to 25W wired Super Fast Charging, so a higher-wattage charger will not raise its maximum charging rate.

If your S23 still charges slowly after checking the charger, cable, settings, temperature, and USB-C port, the problem is more likely to be related to the charging equipment, connection, software, or device condition rather than simply needing a higher-wattage charger.

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