Laptop Battery
The laptop battery powers your laptop when it is not plugged into a wall outlet via an AC adapter. Most laptop batteries need to replaced every 3 to 5 years depending on how often you use the laptop with only battery power. The typical length of time that you are able to run your laptop on battery power depends on what tasks you are doing, but it should last around 2 to 5 hours with general use. A laptop will mostly likely have a lithium ion battery in older laptops or a lithium polymer battery in newer laptops.
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