Replacement Laptop Batteries › Replacement APPLE Laptop Batteries › Replacement MK4M2LL A Battery

Replacement Laptop Battery Compatible with APPLE MK4M2LL A



If your laptop model or original battery part number is not listed. Please email order@power-supplier.biz with the following details for compatibility verification:
Laptop model number
Original battery part number
Photos of your current battery (showing label and connector)


Replacement for APPLE MK4M2LL A Laptop Battery
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Sale price: US $ 75.75
(Tax included)
Battery Type: Li-ion
Voltage: 7.55V
Capacity: 39.71Wh / 5263mAh
Package Weight: 300 g
Color: Black
Condition: Brand new, non-OEM replacement
Origin: Ships from China Operations Center
Warranty: Three years warranty covering manufacturing defects.
Shipping: Free shipping on all orders
Processing Time: Same day shipment for orders placed before 3 PM China Time (UTC+8)
Delivery Time: 7 to 15 business days worldwide
Money-Back Guarantee: Full refund within 30 days if unsatisfied, including the product price and shipping costs. Product must be returned in its original condition
Product type: Replacement Laptop Battery (Not OEM). Compatible with APPLE MK4M2LL A


This Laptop Battery can replace the following part numbers:
APPLE
  A1527,   A1534(EMC 2991),   A1705,
  A1534(EMC 2746),    A1534(EMC 3099),  
This Laptop Battery is also compatible with the following models:
APPLE
  MacBook 12 inch Retina A1534(Early 2015),   MacBook 12 inch Retina MLHA2LL A,   MacBook Core M 1.1GHZ 12 inch Retina A1534(EMC 2746),
  MF855C A,    MK4N2LL A,   MMGM2LL A,
  MacBook 12 inch Retina A1534(Mid 2017),    MacBook Air 12-inch Retina A1534 (Early 2016),   MacBook Core M5 1.2GHZ 12 inch Retina A1534(EMC 2991),
  MJY42LL A,    MLHE2LL A,   MacBook 12 inch Retina A1534(EMC 2746),
  MacBook 12 inch Retina MNYF2LL A,    MacBook Core M 1.3GHZ 12 inch Retina A1534(EMC 2746),   MF865LL A,
  MLH82LL A,    MNYG2LL A,   MacBook 12 inch Retina MF865LL A,
  MacBook Core I7 1.4GHZ 12 inch Retina A1534(EMC 3099),    MF855,   MK4M2LL A,
  MMGL2LL A,    MacBook 12 inch Retina A1534(EMC 3099),   MacBook Air 12" Retina A1534 (Early 2015),
  MacBook Core M3 1.2GHZ 12 inch Retina A1534(EMC 3099),    MJY32LL A,   MLHC2LL A,
  MacBook 12 inch Retina A1534(Early 2016),    MacBook 12 inch Retina MLHC2LL A,   MacBook Core M 1.2GHZ 12 inch Retina A1534(EMC 2746),
  MF855LL A,    MLH72LL A,   MNYF2LL A,
  MacBook 12 inch Retina MF855LL A,    MacBook Core I5 1.3GHZ 12 inch Retina A1534(EMC 3099),   MacBook Core M7 1.3GHZ 12 inch Retina A1534(EMC 2991),
  MK4M2,    MLHF2LL A,   MacBook 12 inch Retina A1534(EMC 2991),
  MacBook 12 inch Retina MNYG2LL A,    MacBook Core M3 1.1GHZ 12 inch Retina A1534(EMC 2991),   MJY32,
  MLHA2LL A,  

How to Maximize Battery Performance?

To maximize battery performance, follow these tips:

  1. Initial Conditioning: For new batteries, fully charge and discharge them a few times to reach maximum rated capacity.

  2. Regular Use: Use the battery at least once a month, even if stored in a cool, dry place.

  3. Clean Contacts: Clean the metal connectors (gold or silver contacts) with alcohol or electronics cleaner to maintain good conductivity.

  4. Optimize Power Settings: Adjust power management settings in the system BIOS and operating system to improve battery performance. Consult your user manual for details.

Is There Any Danger in Leaving a Laptop on 24 Hours a Day?

Yes, as long as it is placed in a well-ventilated area. The main risk for laptops is overheating due to their compact design. To prevent overheating:

  1. Ensure proper ventilation by placing the laptop on a hard, flat surface.

  2. Avoid using the laptop on insulating materials like blankets or beds.

  3. Consider using a laptop cooling pad for extended use.
    Modern laptops have built-in overheating protection, but proper ventilation is still essential.

Disclaimer
1. Trademark Fair Use
References to brand names/logos comply with:
- U.S. trademark nominative fair use doctrine (15 U.S.C. §1125(c)(3))
- EU Directive 2015/2436 Article 14(1)(c)
All trademarks belong to their respective owners.

2. No Affiliation
We are an independent aftermarket supplier with no authorization from, or affiliation to, any referenced manufacturers.

3. Product Nature
Our products are:
Compatibility-designed replacements
Not OEM-original or manufacturer-approved

4. User Obligations
By purchasing, you acknowledge:
Must verify physical/electrical compatibility
Non-OEM use may void manufacturer warranty
We disclaim liability for installation/usage damages

 
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