Plus, watching HD video or playing games will use more battery power than, say, surfing the web or word processing.Īlso, a great many people have reported that installing Mountain Lion caused their MBP to drain its battery faster than Lion. unless the ambient light requires more, turn the display brightness down to about 50% (lower if you can still see the screen without strain). We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice.We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. You want to retain control of the brightness so that it is only as bright as you need it i.e. Under the Displays pane in System Prefs, make sure the Automatically Adjust Brightness checkbox IS NOT checked. While you're there, make sure the Slightly Dim the Display While on Battery Power checkbox is checked.ĭisplay brightness also plays a critical role. That actually translates to about 12-13 hours battery life for the 20 MacBook Air models, 10 hours for the 13in MacBook Pro (2018/2019), 10 hours for the 15in MacBook Pro (2018/2019. Apple MacBook Pro Unibody 15' Early 2011 through Mid 2012 (A1286) Series. For ultimate battery performance, make sure the Automatic Graphics Switching checkbox is checked. If you have a MBP with a discreet graphics card, but do not have Automatic Graphics Switching enabled in the Energy Saver pane of System Preferences, your batter won't last as long. Depending on how you have your MBP set, you will get varying lengths of use from a charge. A1286 A1382 Battery for Apple MacBook Pro 15' Early/Late 20 Notebook Number:2353-1, 2563,2556 M1055 Fit MC721LL/A MC723LL/A MD318LL/A MD322LL/A MD035LL/A. If you're using the old-style iFixit adhesive remover with separate bottle and syringe (no longer sold), click here for a slightly modified set of instructions.The length of time you'll get off a charge is dependant on many things, and Apple's claims are based on certain things being set a certain way. And ever since, I had a maximum battery life of around 5:45, but it reaches 7:00 WITHOUT Wi-Fi - I thought thats what Apple meant by 7-hours battery life, that its without Wi-Fi. This guide instructs you to remove the speakers before proceeding to the battery. Question: Q: Mid-2012 MacBook Pro 15' - Battery Life only a little over 5 Hours Hello Ive purchased a Macbook Pro around a month ago. Note: The solvent used to dissolve the battery adhesive may damage your speakers if it comes in contact with the plastic speaker enclosures. Factory-installed MacBook Pro batteries are rated to last 1,000 cycles. If your battery is swollen, take extra precautions. Battery degradation is an inevitable part of your laptop’s lifespan, extend it with this replacement battery compatible with Early 2011 to Mid 2012 MacBook Pro 15' Unibody. A charged lithium-ion battery can create a dangerous and uncontrollable fire if accidentally punctured. To minimize risk of damage, turn on your MacBook and allow the battery to fully discharge before starting this procedure. Do not smoke or work near an open flame during this procedure. Perform this procedure in a well-ventilated area. IFixit adhesive remover is highly flammable.

The adhesive remover in your kit will dissolve the adhesive securing the battery, allowing you to remove it with ease. Use this guide to safely remove the glued-in battery from your MacBook Pro with the help of an iFixit battery replacement kit.

2012 macbook pro 15 battery