macbook pro 13 inch late 2011 battery replacement

It was succeeded as Apple's flagship smartphone in 2010 by the iPhone 4. The iPhone 3GS runs Apple's iOS operating system. It was released in the United States, Canada, and six European countries on June 19, 2009, in Australia and Japan on June 26, and internationally in July and August 2009.

Improvements include performance, a 3-megapixel camera with higher resolution and video ability, voice control, and support for 7.2 Mbit/s HSDPA downloading (but remains limited to 384 kbps uploading as Apple had not implemented the HSUPA protocol). This iPhone is named '3GS' where 'S' stood for Speed ( Phil Schiller had mentioned it in the launch keynote). It was unveiled on J at the WWDC 2009 which took place at the Moscone Center in San Francisco. It is the third generation iPhone and the successor to the iPhone 3G. The iPhone 3GS (originally styled iPhone 3G S) is a smartphone that was designed and marketed by Apple Inc. at the Wayback Machine (archived June 25, 2009) Last: iOS 6.1.6, released February 21, 2014 ( )īuilt-in rechargeable lithium-ion batteryģ.5 in (89 mm) diagonal 3:2 aspect ratio screenģ.5 mm TRRS, 20 Hz to 20 kHz frequency response (internal, headset)Īpple – iPhone – Mobile phone, iPod, and Internet device. Septem 10 years ago ( September 12, 2012) (8 GB) Once you’ve had your battery replaced, I have three easy recommendations to get the most life out of your new battery.'The fastest, smartest phone yet.' (2009–2010) MacBook and MacBook Pro battery replacements can be done quickly and are a great way to keep your laptop running smoothly. Left long enough the battery can begin to expand and push up on the trackpad, resulting in a raised trackpad that no longer clicks. Eventually the cells degrade to such a point that they are no longer capable of holding a charge.

MacBook Pro (15-inch, 2.53 GHz, Mid 2009)Īs you charge and recharge the MacBook battery, the charging cells begin to degrade. MacBook Pro (Retina, 15-inch, Early 2013) MacBook Pro (Retina, 13-inch, Early 2013) MacBook Pro (Retina, 13-inch, Early 2015) Here are Apple’s official guidelines for full battery consumption cycle counts: Apple Laptop Model You can check your cycle count by going to About this Mac.Ĭlick on Power, and the battery cycle count and condition will be displayed on the right. Your battery’s cycle count gives a good general idea if your battery will need replacing soon. You could use 75% of the battery one day, recharge it to 100% and then use 25% the next day. One cycle count is using all of your battery’s power fully. The life of your Macbook Pro battery is measured in cycle counts.

Macbook pro 13 inch late 2011 battery replacement