Your Mac’s battery is a consumable item, which means it will require replacement at the end of its useful life. New, high capacity batteries keep your Mac powered longer. The data on your hard drive will not be affected while your battery or adapter is being replaced. However, please make sure you back up your data or other information stored on your system before submitting it for servicing
If your battery is only giving you a few hours of running time or is not charging fully even after calibrating, then be sure to check its health using these options to see if the system is detecting a problem with the battery. If not, then you might need to look into what programs and services are running that could be draining the battery, but if the system does report poor battery health then you should have the battery replaced.
[symple_box color=”green” text_align=”left”]MacBook Pro or MacBook Air batteries
According to Apple, modern MacBook Pro or MacBook Air batteries are designed to deliver up to 1000 full charge and discharge cycles before they reaches 80 percent of original capacity, although that number can drop to as low as 300 cycles for older MacBook models. It would appear that the recent spate of “Service Battery” warnings after installing Mavericks are either erroneous, or the new operating system is more sensitive to potential battery problems.
MacBook power cord 5 pins Magsafe connector and cable Replacement?
A weakness of the MacBook is it’s power cord failure after some times. it become a panicking moment when you cannot charge you MacBook anymore. It brick’s it! So at the first sing of little orange or green light not showing when plugged, Just replace it!When the connection is secure, an LED located at the head of the DC connector will light up; an amber light lets you know that your portable is charging, while a green light tells you that you have a full chargeThis power adapter recharges the lithium polymer battery while the system is off, on, or in sleep mode. It also powers the system if you choose to operate without a battery.Knowing which specific Mac model you have is important. All chargers are not the same so if, you are running OS X Lion (10.7) or later, go to the menu at the top left of your screen, choose “About this Mac” then click the “More Info…” button. Your Mac model and generation will be displayed. Apple macbook pro come in 12w 45w 60w 85w ac power adapter chargers