A1321 A1286 (Only for Mid 2009 Mid 2010 Version) Laptop Battery for MacBook Pro 15 Inch Battery A1321 A1286 MC371LL/A MC372LL/A MB985 MB986 MC118 020-6380-A 020-6766-B 661-5211 661-5476 661-5844 73Wh

Compatible Models:
MacBook Pro 15.4" inch Mid 2009 version:
- MacBook Pro 15.4" 2.53GHz Core 2 Duo (MC118LL/A, A1286, MacBookPro5,4) - Mid 2009
- MacBook Pro 15.4" 2.66GHz Core 2 Duo (MB985LL/A, A1286, MacBookPro5,3) - Mid 2009
- MacBook Pro 15.4" 2.8GHz Core 2 Duo (MB986LL/A, A1286, MacBookPro5,3) - Mid 2009
- MacBook Pro 15.4" 3.06GHz Core 2 Duo (MB986LL/A, A1286, MacBookPro5,3) - Mid 2009
MacBook Pro 15.4" inch Mid 2010 version:
- MacBook Pro 15.4" 2.4GHz Core i5 (MC371LL/A, A1286, MacBookPro6,2) - Mid 2010
- MacBook Pro 15.4" 2.53GHz Core i5 (MC372LL/A, A1286, MacBookPro6,2) - Mid 2010
- MacBook Pro 15.4" 2.66GHz Core i7 (MC373LL/A, A1286, MacBookPro6,2) - Mid 2010
- MacBook Pro 15.4" 2.8GHz Core i7 (MC373LL/A, A1286, MacBookPro6,2) - Mid 2010
Compatible Part Number:
- 661-5211, 661-5476, 020-6766-B, 020-6380-A
- MB986*/A / MB986CH/A / MB986J/A / MB986TA/A / MB986X/A / MB986ZP/A (only for Mid 2009 Mid 2010 Version)
- MB985 / MB985CH/A / MB985*/A / MB985CH/A / MB985J/A / MB985TA/A / MB985X/A / MB985ZP/A
- MC118 / MC118*/A / MC118CH/A / MC118J/A / MC118TA/A / MC118X/A / MC118ZP/A
Install A New Battery:
1. You need to turn off your laptop and disconnect the power.
2. Remove the old battery, carefully install the new battery on the battery case, and connect the wiring of the new battery.
3. If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.
Laptop Maintenance Tips:
1. New battery: For use a new battery, youd better try a few cycles of discharging to 5%. then charging up to 95%. So that it can be activated completely
2. Overuse: Do not always run out of a battery to 0%, this would make it damaged or usage life shortened
3. Charging sequence: when charging, first install the battery, then turn on the power, when fully charged, first cut off the power, then pull the power plug.
4. Long-term storage:Please store the unused battery fully charged.(Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery
5. Charger: Do not replace the laptop adapter casually. If the original adapter cannot be applied due to malfunction or damage, please replace the models, so as not to reduce the service life of the battery due to incompatibility.
Overload protection
Over-current protection
Over-voltage protection
High voltage protection
Short circuit protection
Over-temperature protection
Easy & Quick Installation
All of our batteries are brand new and are 100% compatible to meet OEM specifications for safety and efficiency. Same size as original battery, Don't worry about assembly and adaptation issues
Grade "A" cells Top Quality Battery
Reliable performance
Extended battery life
Each battery contains built in multi-protection functions such as short circuit, overheat & overload for maximum safety.
A1321 A1286 (Only for Mid 2009 Mid 2010 Version) Laptop Battery for MacBook Pro 15 Inch Battery A1321 A1286 MC371LL/A MC372LL/A MB985 MB986 MC118 020-6380-A 020-6766-B 661-5211 661-5476 661-5844 73Wh
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