Now that the PA3479U battery for your Toshiba laptop computer has died, it is time for a replacement. Rather than buying an expensive battery directly from Toshiba, you can purchase a quality replacement battery that is guaranteed to be compatible with your laptop at substantial savings at USB Phone World. Our Toshiba PA3479U compatible batteries are brand new and typically priced more than 50 percent below retail cost. When you buy a Toshiba replacement battery from us, you are getting a battery that features advanced lithium technology, is 100 percent compatible with your laptop and guaranteed to meet or exceed OEM specifications. In addition, our batteries come with a 12-month warranty and a 30-day money back guarantee. Our customers can also purchase a three-year warranty for added security. Toshiba has many laptops in its stable of computers and in many cases multiple models will use the same battery. In order to avoid buying the wrong battery for your device, you should use the part number of the original battery when searching for a replacement battery. For example, if you enter PA3479U 1BAS into the search field at USB Phone World you will be taken to a page showing the compatible batteries for your system. In this case, you can select from 6-cell and a PA3479U 1BAS 9-cell battery. If you have questions about the best battery for your laptop, you can contact USB Phone World directly to get help with your purchase.