Pre-order information：
① Installing a mobile phone battery is complex; non-professionals are advised not to install it yourself.

② When removing the original battery, do not pry, bend, squeeze, or puncture it. Handle with care and gentleness.

③ Do not use the battery until it automatically shuts down. If the battery level is below 15% during the first five charges, recharge it for about an hour after fully charging. After 5-8 cycles, the battery's standby time will return to normal.

④ The date detected by third-party software is the date of the decoding chip solution (similar to a version number, used to record the decoding solution version). Please refer to the product packaging for the product date.

⑤ The battery is a consumable item. After installation, it will only be replaced, not returned, unless there is a quality issue. The warranty period is one year, starting from the date of shipment.

⑥ Do not damage the battery exterior, battery cable, or round battery clip. Damage will void the warranty.

About Shipment:
1.ALL Parcel with Tracking Numeber, You can Track at the following URL:
https://www.17track.net/en

2.We will send out your package in 2~3 days.

3.Since batteries are dangerous to transport,logistics companies need to ensure safety before starting transport, so the logistics update speed may be relatively slow.

4.If you can't query through the above address,please leave a message to us.

About Package delivery time：
The delivery date shown on the product page is not accurate, please refer to the actual package delivery time.

South Korea and Southeast Asian countries: Delivery in about 15 days.
Europe countries: Delivery in about 15-25days.
Russia and most other countries: Delivery in about 25-45days.

* Note: The above package delivery time is for reference only, the actual delivery time may change at any time due to local customs policies or other holidays.

If you have any logistics problems, please contact us in time through the chat window below the order. We will solve it for you properly.
Please do not initiate disputes at will, thanks for your understanding!

Battery discharge activation:


Since new batteries will go through charge and dischargetests before leaving the factory, the battery will havesome empty electricity. 


From the first time to 8th time, please use up the battery to 8%~10%. Recharge it until it is full charged and continue to charge for 30 minutes to 1 hour before unplugging the charger. 
(If you have a 5V/1A low current charger, please use the small current charger, if not, you can use the original charger to charge).

Battery installation tips:
1.Be sure to turn off the phone before disassembling it.
2. Before disassembling, please read all the precautionsof the disassembly video and watch the video carefully.
3. Screws are of different lengths, please be careful not toinstall them in the wrong position when installing.
4. Please confirm that if the battery cable is not installed,install other cables to prevent static electricity fromcausing the phone to malfunction: If the battery cable isalready buckled, please disconnect the battery cable andbuckle the other cable buttons, and then install the battery cable.
5. Please use appropriate force to pull out the easy-pullglue from the bottom of the mobile phone battery. If theeasy-pull glue breaks, please use a hair dryer to heat thesurface of the battery to soften the glue beforedisassembly.This will make it easier to disassemble. Thebattery is hard to lift or removed artificially (remember notto puncture the battery).
6.Simple installationpicking up themethodofbatterybattery, buckle the cable first, then put thecabie:batteryafterdown(note:the cable can be slightly folded orstretched, but it will break if it exceeds a certain limit.Donot stretch or fold heavily).
7. If you have any questions during the disassembly andassemblyprocess,please consult onlineservice specialist or go to a professional repair shop forcustomerinstallation.

Exception handling methods:


If after the battery is installed, abnormal conditions suchas not charging, not durable, or severe heating occur, itmay be that the battery cable is not buckled tightly,resulting in increased internal resistance and causing thephone to malfunction. 
Please disassemble the phoneagain and tighten the cable buckle., use your index fingerto press the cable buckle before it returns to normal.

Warning:
1.Do not throw batteries into fire and keep away fromhigh temperature and fire sources.
2. When the battery unexpectedly expands, leaks, orsmokes, please stop using it immediately.
3. It is prohibited to disassemble or modify the battery.
4. Battery short circuit will cause damage to the batteryand other items (when metal objects such as coins,swastika clips or pens directly contact the positive (+) andnegative (-) terminals of the battery, accidental short circuit may occur);
5. Please do not expose the battery to liquid or subject it to strong impact.

How to dispose of used batteries:
1. Do not throw away batteries as household waste;
2. Please dispose of discarded batteries in accordancewith local laws and regulations.

Regarding battery capacity testing apps, such as AccuBattery

Battery capacity testing apps like AccuBattery cannot be used to test battery capacity. Their accuracy is limited by various factors and is unreliable.

Key reasons for limited accuracy:

1. Reliance on the accuracy of the device's built-in fuel gauge (coulomb counter).
AccuBattery estimates the actual battery capacity by monitoring the integral of the current (mAh) during charging, but this data comes from the fuel gauge chip in the phone's hardware. 1. Different models use different fuel gauge chips (such as Summit SMB347, Maxim MAX17050, etc.) with significantly varying accuracy. Some low-end models don't even have a dedicated fuel gauge, estimating power only based on voltage, leading to data distortion.

2. Dual-cell phones only measure single-cell data.
In dual-battery phones, AccuBattery may only record the charging power of one cell during charging, but during discharging, it may calculate the total power consumption of both cells, resulting in the erroneous result that "charging capacity ≈ half of the design capacity".

3. Non-linearity affects charging percentage calculation.
The battery percentage displayed by the phone system is based on battery voltage estimation, but the voltage and power of a lithium battery are not strictly linearly related. If only a short or incomplete charge is performed (e.g., from 50% to 80%), the calculation error will increase significantly.

4. System-level shielding or tampering with underlying data:
Some manufacturers (such as Xiaomi and Honor) have not opened up complete raw battery data interfaces. AccuBattery cannot obtain the actual charging and discharging current and can only rely on the estimated value provided by the system, further reducing accuracy.

5. Voltage fluctuations cause capacity unit deviation:
AccuBattery outputs "mAh" (milliampere-hours), but the actual energy unit of the battery should be "Wh" (watt-hours). Since the charging voltage is usually higher than the nominal voltage (e.g., 4.2V vs 3.85V), directly using mAh to calculate battery health will introduce systematic errors.

⚠️ Important Reminder: For accurate assessment of battery health, it is recommended to have it checked at an official after-sales service center.

Pre-order information：
① Installing a mobile phone battery is complex; non-professionals are advised not to install it yourself.

② When removing the original battery, do not pry, bend, squeeze, or puncture it. Handle with care and gentleness.

③ Do not use the battery until it automatically shuts down. If the battery level is below 15% during the first five charges, recharge it for about an hour after fully charging. After 5-8 cycles, the battery's standby time will return to normal.

④ The date detected by third-party software is the date of the decoding chip solution (similar to a version number, used to record the decoding solution version). Please refer to the product packaging for the product date.

⑤ The battery is a consumable item. After installation, it will only be replaced, not returned, unless there is a quality issue. The warranty period is one year, starting from the date of shipment.

⑥ Do not damage the battery exterior, battery cable, or round battery clip. Damage will void the warranty.

About Shipment:
1.ALL Parcel with Tracking Numeber, You can Track at the following URL:
https://www.17track.net/en

2.We will send out your package in 2~3 days.

3.Since batteries are dangerous to transport,logistics companies need to ensure safety before starting transport, so the logistics update speed may be relatively slow.

4.If you can't query through the above address,please leave a message to us.

About Package delivery time：

The delivery date shown on the product page is not accurate, please refer to the actual package delivery time.

South Korea and Southeast Asian countries: Delivery in about 15 days.
Europe countries: Delivery in about 15-25days.
Russia and most other countries: Delivery in about 25-35days.

* Note: The above package delivery time is for reference only, the actual delivery time may change at any time due to local customs policies or other holidays.

If you have any logistics problems, please contact us in time through the chat window below the order. We will solve it for you properly.
Please do not initiate disputes at will, thanks for your understanding!