• 【Newest 4.0 upgraded OEM Battery for macbook retina】: Japan High Performance Electric Core and Upgrade chip. Up to 1500+ recharge cycles over the life of the battery--More than 5+ Years. Overcharger and Discharger Circuit Protection, Ensure fast charges and low power consumption
• 【Macbook Retina 12 inch Type】: Macbook retina 12” A1534 A1705 (Early 2015, Early2016, Mid 2017)
• 【Configuration Type】: Fit Retina EMC 2746 2991 3099 MLH72LL/A MLHA2LL/A MMGL2LL/A MNYF2LL/A MF855LL/A MJY32LL/A MK4M2LL/A...
• ADVANTAGE that you can choice us: All the battery with real capacity. Longer operating time after charging. More safe. Suitable for scenarios such as meetings, business trips， Library Learning (No need to constantly plug in the adapter.). Promise A grade cell of our batteries.

Macbook Retina 12” A1534 (Early 2015) Macbook 8,1 EMC 2746

• MF855xx/A MB 12.0 MB 12.0 MB 12.0 Gray/1.1GHZ/8GB/256GB
• MJY42xx/A MB 12.0 Gray/1.2GHZ/8GB/512GB
• MK4M2xx/A MB 12.0 Gold/1.1GHZ/8GB/256GB
• MK4N2xx/A MB 12.0 Gold/1.2GHZ/8GB/512GB

Macbook Retina 12” (Early 2016) Macbook 9,1 EMC 2991

• MLH72xx/A (MLH82xx/A) MB 12.0 Gray/1.1GHZ (1.2GHZ)/8GB/256GB (512GB)
• MLHA2xx/A (MLHC2xx/A) MB 12.0 Silver/1.1GHZ (1.2GHZ)/8GB/256GB (512GB)
• MLHE2xx/A (MLHF2xx/A) MB 12.0 Gold/1.1GHZ (1.2GHZ)/8GB/256GB (512GB)
• MMGL2xx/A (MMGM2xx/A) MB 12.0 Rose Gold/1.1GHZ (1.2GHZ)/8GB/256GB (512GB)

Macbook Retina 12” (Mid 2017) Macbook 10,1 EMC 3099

Doubly charged ion -- Electrode coating is uniform & stable
• New & High technology.
• Ensure the longer operating time.
• Perfect solution to the problem of battery power-off.
Upgraded Chip & Solution to bulge problem
• Upgraded chip -- six protection.
• Reduce heat loss and heat intensity.
• The strengthening of electrode coating and the reduction of heat loss have successfully reduced the risk of bulge.
Professional Engineer Team & Factory
• Our battery are exported to various countries in Europe, Japan and North America... ..
• We insist the best quality and best service for all our customers.
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.Returns:1.30 days warranty from the purchased date. Please contact us via email before returning the defective item.2.Our warranty does not extended to any product that are physically damaged or that are not under normal operating conditions as result of misuse or improper installation on the buyer/user's part.3.Return items should include the original packaging and all accessories. buyers MUST contact us for the returning address.4.In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item.Please make a note in a paper with your User ID, purchased date and details of the issue you are experiencing.