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Cost-effective phone battery Xiaomi BN40 battery replacement

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Find a low-cost Xiaomi BN40 cell phone battery, the replaceable battery BN40. Buy a new packaged battery for Xiaomi BN40. Energy saving and environmental protection, durable.

High-quality and low-cost battery Xiaomi BN40 replacement

Stop using the damaged old Xiaomi cell phone battery and replace it with a new Xiaomi BN40 mobile Phone battery. Get a Xiaomi BN40 cell phone battery compatible with the new Xiaomi Redmi 4 Pro Prime cell phone battery. Check the premium battery of your Xiaomi BN40, then select the correct model and battery for your Xiaomi Redmi 4 Pro Prime mobile Phone battery. Order new Xiaomi BN40 cell phone battery now, low price and high performance, it's worth buying!

Xiaomi BN40 battery

Product Details of Xiaomi BN40 New Battery

Brand: Xiaomi Max-performance Battery
Battery Application: mobile phone accessories
Type: Li-ion polymer
Capacity: 4000mAh/15.40WH
Voltage: 3.85V

Part Numbers of Xiaomi BN40:


Compatible Models of Xiaomi BN40:

Xiaomi Redmi 4 Pro Prime
Charge limit voltage:4.4V

Review of Xiaomi BN40 mobile Phone battery

* Quality and safety: ★★★★★ (composed of high quality battery, built-in short circuit protection)

* Commitment and Warranty: ★★★★★ (New product not used)

* Prices and services: ★★★★★ (50% discount and 1 year warranty)

* Privacy Protection: ★★★★★ (Reliably protect personal information via SSL communication)

* Delivery efficiency: ★★★★★ (open all year round, delivery nationwide, no weekends! Delivery on the same day after payment confirmation)

* Payment security: ★★★★★ (Paypal secure payment)

Note: The picture of this battery is for reference of battery appearance and metal interface. This is a replacement battery for Xiaomi Redmi 4 Pro Prime. This Xiaomi Battery BN40 is cheap and high quality!

If you are looking for or want to know the compatibility list and special price of XiaomiBN40 mobile Phone battery, please visit our website

Or click on the product link:


Before ordering, please confirm your battery model and cell phone model and check the appearance and metal interface of the battery. If you are unsure of the battery part number, you can contact our online customer service in time to avoid delays in use. No matter what problems you encounter during the purchase process, please contact us in time, we will be happy to solve the problem for you.

Xiaomi BN40 Mobile Phone Battery Installation Instructions

Before replacing a new battery, make sure that the phone battery is an old battery that is easily removable or a built-in fixed battery.

Traditional batteries are usually not removed.

Steps to replace the battery inside your phone.

1. Since the adhesive is already attached to the built-in battery, please heat the back cover of the phone for a few minutes to loosen the adhesive.

2. Using a removal tool, gently pry the slit on the back cover and secure it with the card. Next, secure the suction cup to the back cover and pull it out. While cutting the slit with the card, drag with the suction cup to keep the back cover open.

3. The battery metal interface and the phone main board are fixed, so after opening the back cover, you need to hold the back cover to continue operation.

4. Locate the battery. Remove the screws that secure the battery.

5. Remove the battery metal connector with tweezers. Use a utility knife to remove the tape toward the battery fixing position. Don't use too much force. Also, be careful not to scratch the battery. If scratched, the battery will explode and burn.

6. After cleaning the tape, make sure that the battery's metal connectors and screws have been removed. You can remove the old battery.

7. Make sure the metal connector on the new battery matches the original battery. Align the battery's metal connector with the insert. Align the tape with the battery.

8. After fixing the battery, screw on and fix it.

9. Close the back cover to complete the installation of the phone battery.

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Global Shipping for you reference to your country to buy Xiaomi BN40 cell phone battery Battery

JP: | Xiaomi BN40

ES: | Xiaomi BN40

DE: | Xiaomi BN40

IT: | Xiaomi BN40

US: | Xiaomi BN40

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