Laptop batteries are essential for mobility and have evolved to be more durable and functional, with lithium-ion batteries being the most common. Previous technologies had problems with memory effect and losing the ability to recharge. Laptop batteries need to be replaced eventually, with heavy use requiring replacement almost every year. Fast-charging batteries are a new feature, but they may not last as long as traditional ones.
Laptop batteries are the remote power source for all types of laptop computers. They’re what make laptops so mobile. While laptops can be used without a battery, they are not as convenient and lose a significant amount of effectiveness. Laptop batteries have evolved over the years to become far more functional and durable than their predecessors.
In most cases, modern laptop batteries are lithium-ion batteries. They have a good power-to-weight ratio and are more durable than many other types of rechargeable batteries. Li-ion laptop batteries also have no memory effect, which means they don’t have to be fully charged to have a full charge the next time.
Over the years, there have been many types of laptop batteries. In the early days, mobile computing used AA batteries as a power source. This quickly went out of fashion as rechargeable batteries, such as nickel cadmium and, later, nickel metal hydride, came on the market. These were good predecessors of current technology and were a great improvement over acid batteries, but they had some problems. They had to be fully charged every time and after a while they lost the ability to recharge.
Eventually, lithium-ion batteries also need to be replaced, just like all laptop batteries, but they last substantially longer than previous technologies. As laptop batteries age, they lose their ability to hold a charge because the resistance inside the battery increases. Many manufacturers recommend that you replace laptop batteries with one that is specifically made or authorized by the computer manufacturer.
How long laptop batteries last depends on the situation. Laptops that get heavy use will need new batteries almost every year. Others may find that the batteries last two years or more before needing to be replaced. Eventually, a laptop battery’s ability to hold a charge will be so reduced that it will no longer be able to power the computer.
One of the newest features of laptop batteries is the fast charging feature. Many times, charging a laptop will take hours. These new batteries are said to be able to recharge up to 80% of battery capacity in just one minute. Of course, these fast-charging batteries cost more and may not last as long as traditional batteries, but the benefits may outweigh any reduced capacity, especially for business users who depend on computer mobility on a daily basis.
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