Acer Aspire 5520 battery is a great battery at resonable price. This quality product provides more longer life for your personal computer, includes many great features other batteries, and comes in different cells for different uses and it has a snug fit. The average computer user doesn’t sit at a desk all day, they have their…

A nominal voltage and current of the power adapter (hereinafter referred to as the power supply) What does it mean? First, the nominal voltage of the general power supply, refers to the open circuit output voltage, that is, the outside is not connected to any load, and no voltage when the current output, so it…