An Hour or A lesser amount of
Most laptop batteries should charge from 80 to 100 percent of their capacity in about about 1 hour. Some older models may charge more slowly, although some newer models will fee faster. If the battery command process is taking more than an hour, keep in mind that a laptop battery doesn't an increased level of full charge to function.
More than an 60 minutes
While some laptop batteries are designed to stop charging once 100 % of their capacity have been reached, some models still draw in energy. Overcharging the battery will shorten it can be lifespan and lower their efficiency. An AC adapter ought to be unplugged if the laptop will not used any time soon.
Bottom Line
Ultimately, the question hinges on the kind of laptop and the variety of battery. One way to pinpoint the charge speed is to simply keep close track of the laptop's battery meter. The location of this meter varies based on the operating system.
Subject: How Many Hours Should You Charge A Laptop Battery 
