About us:

➡️We are a laptop battery manufacturer with more than many years, we are positioned for high quality, simplicity and durability. Our products are stable, safe and reliable in performance,and all batteries are made of Grade ''A'' cells.
➡️ If you have any question,pls feel free to contact us first instead of opening any form of case. Contacting our customer service is the best way to better cooperate with each other,thanks a lot.
➡️ Before purchasing, pls confirm that your model/capacity/size is compatible with your laptop. If you don’t know your model, you can provide us a picture of the appearance of the old battery for us to confirm.
➡️ Your positive response are the driving force for us to move forward.

Compatible Part Number:

A1382 661-5844 020-7134-A

Compatible Models

Only for MacBooks Pro 15.4 inch 2011 & 2012, not work for laptops made in or before 2010.

Apple Macbook Pro 15.4 inch Early 2011 Version (Identifiers: MacBookPro8,2)

MacBook Pro 15.4" 2.0GHz Core i7 (A1286) - Early 2011 (MC721LL/A)

MacBook Pro 15.4" 2.2GHz Core i7 (A1286) - Early 2011 (MC723LL/A)

MacBook Pro 15.4" 2.3GHz Core i7 (A1286) - Early 2011 (MD035LL/A)

Apple Macbook Pro 15.4 inch Late 2011 Version (Identifiers: MacBookPro8,2)

MacBook Pro 15.4" 2.2GHz Core i7 (A1286) - Late 2011 (MD318LL/A)

MacBook Pro 15.4" 2.4GHz Core i7 (A1286) - Late 2011 (MD322LL/A)

MacBook Pro 15.4" 2.5GHz Core i7 (A1286) - Late 2011 (BTO/CTO)

Apple Macbook Pro 15.4 inch Mid 2012 Version (Identifiers: MacBookPro9,1)

MacBook Pro 15.4" 2.3GHz Core i7 (A1286) - Mid 2012 (MD103LL/A)

MacBook Pro 15.4" 2.6GHz Core i7 (A1286) - Mid 2012 (MD104LL/A)

MacBook Pro 15.4" 2.7GHz Core i7 (A1286) - Mid 2012 (BTO/CTO)

How to install a new battery?

1. You need to turn off the laptop and disconnect the power at the same time.

2. Disconnect the old battery from the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery and save it.

3. Take out the old battery, install the new battery on the battery box, tighten the screws, and connect the wires of the new battery.

How to maintain a laptop?

1. New battery: When using a new battery, it is best to discharge to 5% for several cycles. Then charge to 95%. So that it can be fully activated.

2. Excessive use: Do not deplete the battery to 0% often, which will cause damage to the battery or shorten the service life.

3. Charging sequence: when charging, first install the battery, then turn on the power, after fully charged, first cut off the power, and then unplug the power plug.

4. Long-term storage: Please fully charge and store unused batteries. (Charge once a month) Do not store in low battery to avoid reducing.

What should be noted when using the battery?

1.If your computer will not be used for a long time, it is recommended that you remove the battery and store the battery separately.

2.It is recommended that you store the battery in a dry environment with a temperature range of -10--35 degrees Celsius, and avoid sunlight.

3.As the damaged lithium-ion battery will pollute the environment, it also has a certain degree of danger. Please do not disassemble or discard at will.

Notice:

1、If you can give us positive response as soon as you receive the goods, we would be very grateful.

2、Because your response is very important to the development of our business. If you are satisfied with our products and services, we sincerely invite you to leave us positive response.

3、If you are not satisfied, you really want to leave us negative response, please wait a moment, please contact us first, we will definitely solve your problem and make you satisfied.

4、Even if something is beyond our control, we will do our best to solve it. We don't want to give you a bad buying experience.