As college students, almost every Aggie has a laptop; they are a great tool due to their mobility. However, they are less effective when they are constantly plugged into a power source. There are many myths and tips on how to maximize battery life and battery health in order to get the most of your device.
The way you charge your battery can affect its ability to hold a charge in the long run. Some believe that you should let your computer drain and then charge it to 100 percent to keep the battery healthy. However, according to a Microsoft spokesperson, this might not be the best practice.
“If you frequently drain a lithium-ion battery, and then recharge it, it can quickly lose its ability to hold a charge, which affects the accuracy of the battery meter … Lithium-ion batteries last longer if you charge them often, a little at a time, to maintain a minimum charge of about 40 percent capacity,” said a Microsoft spokesperson in an email interview.
The practice of draining then fully charging is not for lithium-ion batteries, which most current laptops have. But if your computer has a nickel cadmium (NiCd) battery or a nickel metal hydride (NiMH) one (which are commonly found in older laptops) than this practice would work for you.
There are ways to check up on your computer’s battery without having to take your device to the local computer store. Battery health is a comparison between your laptop manufacturer’s advertised capacity and the current capacity of the battery. Most laptops have a page to show the condition of the battery health and give pop-up warnings when your battery’s health is critical.
For example, with most MacBook Pros you can hit the option key while clicking the the battery icon in the menu bar. This will give you a current status; if any option says anything but “Normal” then look into it. You can easily do an internet search to figure out how to check your specific laptop’s battery life.
There are many apps or widgets that you can download to do this also. Bjango has created iStat Pro and iStat Menu. If you have a MacBook with Mac OS X Lion or an older version of OS X, then you can download the iStat Pro widget for free. The iStat menu app is an updated, non-free version for new OS X.
The iStat products can tell you your battery health, cycle count, temperature and other information. Marc Edwards is the founder of Bjango.
“We show some stats that may help diagnose the current status of a MacBook’s battery … iStat Menus also shows the battery condition, as reported by OS X, plus volts and amps for the curious … iStat Menus also provides configurable additional battery warnings, if you’d like an early indication that you’re running a bit low on power,” said Marc Edwards, the founder of Bjango, in an email interview.
Andrew Robertson is the operations manager, buyer and lead technician at the UC Davis TechHub repair center. Robertson stresses the role charging cycles play in a battery’s health.
Think of a laptop’s charging cycles the way you think of a car’s mileage. Charge cycles are incremented every time you charge from point A to point B. Just as a car is only built to last a certain amount of miles, a battery is only built to last a certain amount of charge cycles. For example, charging from 70 percent to 100 percent is one cycle.
“Most people, when they have battery issues, it will be because it was left charging for much longer than it should be at a single time period,” Robertson said.
According to Robertson, if you leave your laptop charging for too long your battery will get to full charge, which is one cycle, then use a bit then charge it back up again. Depending on how long you keep it plugged in, this will result in more cycles than you should have.
Keep in mind your battery’s age as well. As they get older, it becomes harder for them to hold a charge.
High temperatures also hinder a battery from holding a charge.
“Extreme temperatures can degrade battery life over time. At extreme high or low temperatures (such as freezing),” said Choon Chng, a Chrome hardware engineer in an email interview.
Try to keep your laptop on a surface where the air can circulate. Avoid using it with its fabric sleeve under it. If you can hear the device’s fans going crazy, this means your laptop’s temperature is too high.
Taking care of your laptop is more than just avoiding spilling coffee on it. If handled properly, it will last you your whole college career and hopefully into your job.
[…] How to keep your laptop battery happy, healthy But if your computer has a nickel cadmium (NiCd) battery or a nickel metal hydride (NiMH) one (which are commonly found in older laptops) than this practice would work for you. There are ways to check up on your computer's battery without having to … Read more on The Aggie […]
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