subject: How Long Will A New Acer Aspire 3680 Battery Last? [print this page] There are many factors deciding whether we buy a laptop or not, the laptop battery life is one of the important factors. How long will a new Acer aspire 3680 battery last? Its different to answer this question. Usually a laptop battery running time depends on the power demands made by the equipment. The use of the monitor, the hard drive and other accessories result in additional drain upon the battery, effectively reducing its running time. The design of the equipment also affect the total running time of the Acer laptop battery. Generally, a new battery will run at least as long as your old battery did when it was new.
Acer aspire 3680 battery has two main ratings on them: Volts and Amperes. Because size and weight of laptop batteries is limited when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Mill amperes. One thousand Mill amperes equals 1 Ampere. When buying a battery, select batteries with the most Mill amperes (or mAh). Batteries are also rated by Watt-Hours, perhaps the simplest rating of all. This is found by multiplying the Volts and the Amperes together. For example: 14.4 Volts, 4000mAh (Note: 4000mAh is equal to 4.0 Amperes). 14.4 x 4.0 = 57.60 Watt-Hours signifies the energy needed to power one watt for one hour. This laptop battery can power 57.60 watts for one hour. If your laptop runs at 20.50 watts, as an example, this laptop battery could power your laptop for 2.8 hours. (57.60 battery watts/20.50 laptop watts = 2.8 hours or runtime)
You can find the watt hour usage of your Acer aspire 3680 battery in the user or specifications manual. Some laptop manuals will give more than one watt hour specification based on running the already installed OS by itself and or with one other program open as in the laptops word processor. Once you open up other programs and start adding peripherals, the run time will be reduced. Please keep in mind that Wi-Fi, Gaming and Video Streaming will eat up your battery power very fast and the laptops watt hour use does not include these activities.
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