After using the Apple MacBook Pro 13 for several years, the battery will dergrade along with the time passes. If, having run calibration and other tests, there is no improvement, there are in reality two to three options. Pay someone, most likely Apple or an authorised service provider, to replace the battery with prices going up from £110. Alternatively, you could try and fix the battery in your MacBook yourself.
This is possible even MacBook Airs which have the unibody design where the battery is soldered on. And even better still it is arguably cheaper and faster than taking it to Apple.
It is worth remembering that this option is only truly worth considering on older models that are out of warranty. The one-year Apple warranty includes replacement coverage for a defective battery and the company also runs a battery replacement service. You can extend the cover given to defective batteries by taking out AppleCare Protection when you buy your machine.
However, if you still want to go the DIY route, you’ll first need to source the battery from Amazon, eBay or somewhere else(like storebattery.co.nz) – and this will also require you knowing precisely what model you have, so to ensure you buy a compatible battery.
To identify your MacBook, you should be able to find the MacBook’s serial number in the ‘About This Mac’ window.
On the technical front, you’ll need a standard Philips screwdriver, the plastic Spudger tool (£3 on Amazon), the Y1 Tr-wing screwdriver (around £1) and access to web browser to go to iFixit or EveryMac web tutorials.
Most unibody MacBooks are fairly similar with up to nineteen screws that need to be removed (some of these will require the Y1 Tri-wing screwdriver). You should take the lower case off the MacBook, then use the flat end of the spudger to remove the battery from the logic board, before replacing the old battery with the new model. Ensure the computer is switched off and MagSafe is disconnected.
Source from internet
Source from internet
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