High Quality Battery for Apple MD311LL/A* (95Wh, 9 cells)

replacement Apple MD311LL/A* battery
replacement Apple MD311LL/A* batteryreplacement Apple MD311LL/A* batteryreplacement Apple MD311LL/A* batteryreplacement Apple MD311LL/A* batteryreplacement Apple MD311LL/A* batteryreplacement Apple MD311LL/A* batteryreplacement Apple MD311LL/A* battery
This battery replacement for Apple A1297(EMC 2352-1*),A1297(EMC 2564*).
  • SKUSGL518
  • ConditionReplacement, Brand New
  • Voltage10.95V
  • Capacity95Wh
  • Number of Cells9 cells
  • Cell TypeLi-Polymer
  • ColorBlack
  • Size269.90x85.40x13.80mm(L x W x H)
  • Warranty1 Year
  • AvailabilityIn Stock
Note :1. 10.95V and 11.1V are compatible, they are in common use. 2. This battery(A1383) only fits for Apple MacBook Pro 17 inch A1297(Early 2011 and Late 2011), not fits for A1297(Early 2009,Mid-2009 and Mid-2010).3. Package Includes: 1 x Battery ,2 x Screwdrivers.

Buy with confidence! Our Website is your source for high quality Apple laptop batteries. This brand new 95Wh(9 cells) replacement Apple MD311LL/A* Li-Polymer battery is made with high quality cells from Samsung. Each replacement battery for Apple MD311LL/A* laptop has been tested on the Apple system before being dispatched and is 100% compatible with the original manufacturer's specification. When you buy our replacement Apple MD311LL/A* battery, you're buying trust!

Safety and Excellence Features of Our Replacement Apple MD311LL/A* batteries:
1. No memory effect, fast charge
2. Smart internal circuit board and Low power consumption IC design
3. Tested with strict quality control standards and meet or surpass OEM specifications
4. Certified by CE, UL, ROHS, ISO9001/9002
5. Cell-unbalanced-shut-off protection
6. Over-charge protection and Over-discharge protection
7. Over-heat protection
8. Over-current protection
9. Short-circuit protection
10.High capacity circulatory function (about 600-800 cycles)

Welcome your patronage and thank you for purchasing this high quality replacement Apple MD311LL/A* laptop battery at Laptopbattery.com.sg! Before placing an order, please make sure that the part number of your old Apple MD311LL/A* battery is listed as below and has the same shape as our replacement MD311LL/A* battery's images (please view the larger images for details).

Product Larger Images

Compatible Apple Part Numbers

  • 020-7149-A
  • 020-7149-A10
  • A1383
  • A1297(EMC 2352-1*)
  • A1297(EMC 2564*)

Compatible Apple Laptop Models

  • MD311LL/A*
  • MacBook Pro 17 inch A1297 MD311LL/A(2011 Version)
  • MacBook Pro 17 inch A1297(Early 2011)
  • MacBook Pro 17 inch A1297(Late 2011)
  • MacBook Pro 17 inch MC725*/A
  • MacBook Pro 17 inch MC725B/A
  • MacBook Pro 17 inch MC725E/A
  • MacBook Pro 17 inch MC725J/A
  • MacBook Pro 17 inch MC725TA/A
  • MacBook Pro 17 inch MC725X/A
  • MacBook Pro 17 inch MC725ZP/A
  • MacBook Pro 17 inch MD311*/A
  • MacBook Pro 17 inch MD311E/A
  • MacBook Pro 17 inch MD311J/A
  • MacBook Pro 17 inch MD311LL/A
  • MacBook Pro 17 inch MD311LZ/A
  • MacBook Pro 17 inch MD311TA/A
  • MacBook Pro 17 inch MD311X/A
  • MacBook Pro 17 inch MD311ZP/A
  • MacBook Pro Core I7 2.4GHZ 17 inch Unibody A1297(EMC 2564*)
  • MacBook Pro Core I7 2.5GHZ 17 inch Unibody A1297(EMC 2564*)

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Payment Methods

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1-Year Warranty
All our high quality replacement batteries for Apple MD311LL/A* laptop come with a 1-year warranty. Warranty is applicable if the buyer has installed the battery properly in the device and has treated the battery correctly.

30-Day Money Back Guarantee
Our goal is to turn customer satisfaction into ‘Complete Customer Satisfaction’. That's why we offer you a 30-day money back guarantee, on top of our warranty and RMA procedure for defects!
Please note: in order to qualify to get your money back, you must first contact us and await instructions before sending back your product.


If you have a problem with one battery which bought from us, please contact us first. We will process your request and try to find a solution for your problem. If the problem cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you. If inspection concludes that the returned battery is defective, a new battery will be shipped out without extra charge.
Please note: we cannot process returned batteries if you have not yet received an RMA number.


Q: How to check if this battery is compatible with my laptop?

A: First, find out the part number of your old battery or the model name of your laptop (e.g. 'Apple MD311LL/A*') and match with our product compatibility table. Second, please compare the old battery with our product images to make sure their shapes are the same. Lastly, check the voltage (rating) is the same as the old one. For more details please click How to find one correct battery for my laptop?

Q: Do I need to charge the new Apple MD311LL/A* battery for 12 hours for the first time use?

A: No. Lithium-ion batteries have no memory effect, so it’s the right way to charge and discharge normally.

Q: When connected to the power supply, do I need to remove my Apple MD311LL/A* battery ?

A: It depends on your actual situation. Generally speaking, it will not cause any damage without removing your battery when you connect it to the power supply. Because the battery will not be charged anymore after it is fully charged, and then turn to the use of power supply system. But when the notebook high-speed operation causes the internal overheating, you’d better remove the battery, otherwise it is harmful.

Q: How to properly charge my Apple MD311LL/A* battery?

A: Please avoid exhausting the battery power and then recharge, because it will bring a lot of damage to your battery. Therefore you have to charge it when remaining power nearly 10-20%. In addition, if your battery has not been used for a long time, please charge it once a month, and keep the remaining power about 40% and then store in a dry and cool environment.

Q: How to care for my Apple MD311LL/A* laptop battery and extend its life?

A: 1. Tweak Your Built-In Power Saving Options.
2. Adjust the brightness of your laptop display as much as possible within an acceptable range.
3. Kill Power-Hungry Apps and Processes when they are unnecessary.
4. Use Hibernate, not just Sleep, Whenever Possible.
5. Regularly detach your Apple MD311LL/A* battery and give it a careful wipe with a soft cloth to make sure the contact points are especially clean.
6. Avoid Full Discharges.

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