More and more people favorite use laptops,computers is called Laptop, in essence it’s easy to mobile office.When purchasing a battery for your notebook computer, the first thing a consumer should look for is the reputability of the product at mind. If the product is made by the manufacturer of your laptop (i.e. Sony, Compaq, Dell, etc), you can usually be sure it is a quality product,this time the battery not only is a UPS. for long-term mobile office,buy a replace laptop battery is very important. Buy second-hand laptop battery a little more t