How to replace battery of Redmi Note 9 5G?

How to replace battery of Redmi Note 9 5G?

The Xiaomi Redmi Note 9 5G, smartphone that announce on November 2020 and was launched in December 2020 is a smartphone that has a 5000mAh non-removable battery, which can provide more than two days of usage with moderate activities, as per GSMArena's tests. This is a large battery capacity, which ensures that users can enjoy their device for a long time without worrying about frequent recharging.


The device supports 33W fast charging, which can fill up the battery from 0% to 100% in less than an hour, as per Xiaomi's official website. However, some users have reported that the actual charging time is much longer than the claimed one, and it can take up to two hours to fully charge the battery. This could be due to software glitches or defective chargers, and Xiaomi may address this issue with future updates. The Xiaomi Redmi Note 9 5G does not support wireless charging, but there is a way to add this feature to the device. Phandroid's article explains how to use a wireless charging adapter that plugs into the USB-C port and wraps around the back of the phone. The adapter can be secured with a case and placed on a Qi wireless charger to charge the device. However, this method may not be very efficient or convenient, and it may interfere with the device's NFC functionality. Therefore, it is not recommended to use this method unless you really need wireless charging. The Xiaomi Redmi Note 9 5G's battery specifications and performance make it a reliable and efficient device in terms of battery life. Its large 5000mAh capacity, combined with the fast charging capabilities, ensures that users can comfortably use their device throughout the day without worrying about recharging frequently. The device also utilizes lithium-ion (Li-ion) battery chemistry, which ensures high energy density, longer cycle life, and low self-discharge rates. The Xiaomi Redmi Note 9 5G's battery is a strong selling point that can cater to the needs of most users.

👣Step-by-Step Guide to Replacing the Battery of Redmi Note 9 5G

Replacing the battery of your Redmi Note 9 5G is essential for maintaining optimal device performance and longevity. Over time, smartphone batteries tend to lose their capacity, leading to shorter battery life and decreased overall performance. Regularly replacing the battery helps ensure that your device continues to operate efficiently. This step-by-step guide will provide detailed instructions on safely accessing and replacing the battery of your Redmi Note 9 5G.

Note: It's important to follow the manufacturer's instructions carefully when replacing the battery to avoid damaging the device or voiding the warranty.

🛠️Materials and Tools Required

Before you begin, gather the following materials and tools:

1. Replacement battery: Purchase an OEM battery compatible with the Redmi Note 9 5G.
2. Screwdriver: A suitable screwdriver set that includes a T2 or T3 Torx screwdriver.
3. Tweezers: Fine-pointed tweezers for handling small components.
4. Plastic spudger: A spudger or a plastic tool used for prying apart components without damaging them.
5. Opening picks: Thin and flexible plastic picks for separating adhesive and prying open the device.
6. Adhesive strips or adhesive glue (optional): Required if the replacement battery does not come with pre-installed adhesive strips.

Step-by-Step Guide:

1. Power off the Redmi Note 9 5G:
- Press and hold the power button until the power menu appears.
- Tap "Power off" and confirm when prompted.

2. Remove the SIM card tray:
- Locate the small hole on the side of the device, near the power and volume buttons.
- Insert the SIM eject tool (or a paperclip) into the hole and push gently.
- The SIM card tray will pop out. Remove it from the device.

3. Opening the back panel:
- Start by heating the edges of the back panel using a hairdryer or a heat gun (optional).
- Insert a plastic spudger or opening pick into the small gap between the back panel and the frame.
- Gently pry the back panel away from the device, working your way around the edges.
- Be cautious not to apply excessive force to prevent any damage.

4. Removing the screws:
- Once the back panel is partially removed, locate and remove the screws securing the rear housing.
- Use a T2 or T3 Torx screwdriver to unscrew the screws.
- Keep the screws in a safe place for reassembly.

5. Detaching the rear housing:
- With the screws removed, gently lift the rear housing away from the device.
- Be cautious since there may be delicate flex cables connecting the rear housing to the motherboard.
- Locate these cables and disconnect them using a spudger or tweezers.

6. Removing the battery:
- Locate the battery connector on the motherboard.
- Using a spudger or tweezers, gently disconnect the battery connector by lifting it up.
- Be careful not to damage the connector or any surrounding components.
- Lift the battery carefully using a plastic spudger, starting from one side.
- Continue lifting until the battery is detached from the adhesive underneath.

7. Installing the replacement battery:
- Place the new battery in the same position as the previous one, ensuring the connector is aligned with the battery connector on the motherboard.
- Gently press down to fix the adhesive, securing the battery in place.
- If the replacement battery did not come with adhesive pre-installed, use adhesive strips or adhesive glue to secure the battery.

8. Reassembly:
- Reconnect the flex cables that were detached in step 5, ensuring they are firmly connected.
- Carefully align the rear housing on the device and press down to secure it in place.
- Screw in the screws that were removed in step 4, ensuring they are tightened but not excessively.

9. Replacing the back panel:
- Align the back panel with the device and press down until it snaps into place.
- Ensure all edges are properly aligned.

10. Installing the SIM card tray:
- Insert the SIM card tray into the respective slot until it is flush with the device.

11. Power on the Redmi Note 9 5G:
- Press and hold the power button until the device vibrates and the logo appears.

💡Common Challenges and Troubleshooting Tips

- If you encounter resistance while removing the back panel, ensure that all screws have been removed and recheck for any adhesive that may still be holding it in place.
- Take extra caution when handling delicate flex cables to avoid damaging them.
- Ensure that the battery connector is properly aligned and securely connected to the motherboard.
- In case of any difficulties or uncertainties, refer to the manufacturer's guides or seek professional assistance.

Benefits of Replacing the Battery:

- Restores optimal battery life and performance.
- Increases overall device longevity.
- Provides a cost-effective solution compared to purchasing a new device.

📵Potential Drawbacks or Risks

- Mishandling or improper installation may damage the device or its components.
- Replacing the battery may void the device warranty.

Replacing the battery of your Redmi Note 9 5G is a crucial step to ensure the device's optimal performance and longevity. By following the step-by-step guide and using the recommended tools, you can safely access and replace the battery. Always exercise caution, verify the manufacturer's instructions, and seek professional help if unsure, to avoid any potential risks or damages. After a successful battery replacement, you will enjoy extended battery life and a more efficient Redmi Note 9 5G.

How to replace battery of redmi note 9 5g price
redmi note 9 battery replacement cost
redmi note 9 5g battery life
redmi note 9 battery price
redmi note 9 pro battery replacement
redmi note 9 4g battery life
redmi note 9 battery original
redmi note 9 battery life
redmi note 9 5g battery price
redmi note 9 battery mah
redmi note 9 battery model name
redmi note 9 4g battery price

Back to blog