For How Long Should One Charge a New Laptop Batteries?
laptop batteries are notorious for dying out and losing charge quickly. Most laptops today are equipped with Lithium Ion batteries, but older models may run off a Nickel Metal Hydride or Nickel Cadmium battery. First Time Charging The amount of time it takes for your battery to fully charge depends on many factors, like your battery type and operating system. When you're charging your battery for the first time, charge it fully before using your laptop. You may have to go through a battery cycle a couple times before your battery begins performing at its maximum capability. Battery Maintenance Charging your battery for the first time is just the beginning. Once your battery is charged, unplug your laptop's AC adapter, or remove the battery.

