In addition, lithium polymer batteries are not subject to the memory effect common with older battery technology. This battery features Lithium polymer technology inside the battery which provides longer run times with less weight.
We include the required tools and instructions to remove and replace your original MacBook Pro 15" battery. To replace this battery you need unscrew the bottom of the laptop to access the battery. For the Snap-in battery, go to our Apple A1286 MacBook Pro (2008) battery page. This battery is only compatible with the internal battery in MacBook Pros. If your battery snaps into place, this is not the correct battery. To further complicate things, if the model printed on the bottom of the laptop is A1286, there are two different batteries that use the same model number.
Here you can find the battery for the next generation of MacBook Pro 15" (early 2011-mid 2012). This battery is compatible with the model that was going out of production and the next generation was just coming into production. If your laptop was made in 2011, it is important to note that Apple produced two different generations of MacBooks. Additionally, check your MacBook's manufacture date by going to the Apple Icon and selecting About this Mac. You can find the model number on the bottom of your MacBook. Check your model number and the manufacture date to make sure you order the right battery. Apple made two different generations of 15" MacBook Pros in Early 2011 which take different batteries. This A1321 battery replaces the original battery found in 15" MacBook Pros made between early 2009 and early 2011.Ĭompatibility Note: This battery is only compatible with the MacBook Pro 15 inch laptop models listed on the bottom of this page, including models made between 2009 and Early 2011. » Further information can be found in our Notebook Purchase Guide.MacBook Pro 15" A1321 Battery for Model A1286 (2009-Early 2011) Get longer battery life and improved laptop performance with a brand new MacBook Pro 15" A1321 battery. This is because the proportion of notebooks which have a higher rating is approximately equal to the proportion which have a lower rating. The ratings are significantly above-average (as of 2016).Ĩ1.92%: This rating should be considered to be average. There are tons of reviews on Apple laptops, smartphones and tablets. Nevertheless, Apple ranked second place behind Samsung in both years. In the smartphone segment, Apple achieved 15.3% in the first quarter of 2016, which means a market share loss when compared to the 18.3% in same quarter of the previous year. In the laptop sector, Apple's market share was 9.3% in 2014 and 10.3% in 2016. Apple has at least sporadically been considered the most valuable company in the world since 2011 and has consistently ranked among the Top 10 companies in the world.
#Best replacement battery for macbook pro 17 early 2011 mac os x
Apple software includes the Mac OS X operating system but nowadays Macbooks are also able to run Windows.
This weight is representative for typical laptops with a 14-16 inch display-diagonal.Īpple: Apple Inc. is an American multinational corporation which designs and manufactures consumer electronics and software products. On the other hand, the power consumption is lower with small screen diagonals and the devices are smaller, more lightweight and cheaper.» To find out how fine a display is, see our DPI List. Large display-sizes allow higher resolutions.
This large display size is used for laptops which are mainly intended for an use on a desk. Because of the large TDP of 45 W / 55 W, the CPU is only intended for large laptops.Ģ720QM: Fast Quad-core processor based on the Sandy Bridge architecture with an integrated graphics card and dual-channel DDR3 memory controller. » Further information can be found in our Comparison of Mobile Processsors. Therefore, the CPU can be as fast as high clocked dual-core CPUs (using single threaded applications) but still offer the advantage of 4 cores. The base clock speed of the CPUs is relatively low, but because of a huge Turbo mode, the cores can dynamically overclock to up to 3.2 GHz (920XM). Intel Core i7: The Intel Core i7 for laptops is based on the LG1156 Core i5/i7 CPU for desktops. » Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List. Casual gamers may be happy with these cards. Modern games should be playable with these graphics cards at low settings and resolutions. Performance good, battery runtime and fan noise badĮssentially a renamed Radeon HD 6650M but with faster GDDR5 memory.
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