The 13.3" MacBook Air Laptop Computer (Early 2015) from Apple is an ultraportable notebook computer with a thin and lightweight design. Apple's engineers have leveraged the lessons they learned in designing the miniaturized iPad and applied them to the design of this 2.96-pound computer.
Download: PDF Manual. The Apple MacBook Air "Core i5" 1.6 13-Inch (Early 2015/Broadwell) features a 14-nm "Broadwell ULT" 1.6 GHz Intel "Core i5" processor (5250U) with two independent processor "cores" on a single chip, a 3 MB shared level 3 cache, 4 GB or 8 GB of onboard 1600 MHz LPDDR3 SDRAM (4 GB of RAM originally with the option to upgradeLike the 2014 model -- which lasted 10 hours and 44 minutes on the Laptop Battery Test (Web surfing via Wi-Fi) -- the 2015 MacBook Pro with Retina exceeded Apple's estimates, lasting a superb 12 A year and half ago (in Nov. 2019) I bought a second hand Macbook Air (early 2015 model), with a new battery. At first it worked really well but a few days ago, after only 200 battery cycles, I suddenly noticed a "Repair battery" warning in the status bar. Read our MacBook Air (11 inch, early 2015) review and MacBook Air (13 inch, Inside the 13in MacBook Air is a 54 Wh lithium-polymer battery, that’s the same energy capacity as last year’s MacBook Air 2020 review: Battery life. The new MacBook Air’s battery life is a notable improvement over last year’s model. On our battery test (continuous web surfing over Wi-Fi at 150 nits
Started to get really slow. Turned it off. SMC reset. Fan now on full blast and slow as hell. Boot into apple diagnostics. Complete test. Result is something about SMC issue. Cannot detect battery (but it was actually able to run on battery alone and not a/c).C1jy4.