Dell marketed its Vostro 3300 laptop as small business computer when it debuted in 2010. These compact computers were priced under $600, making them attractive to users on tight budgets. The standard batteries on these laptops are four-cell batteries and if you need to replace the original battery, USB Phone World has compatible batteries at outstanding prices. Our selection of replacement batteries are lithium ion 11.1V units with 4400mAh capacity. These batteries are guaranteed to meet or exceed OEM specifications. When selecting a replacement battery for your system, following a few simple tips will ensure that you are purchasing the best battery for your system. You should have your laptop model number and the part number for the original battery available as you can use these numbers to determine the best battery to buy. All of our product descriptions include the compatible laptop models and original battery part numbers that you can use as a cross reference. When you see your numbers on these lists, you will know that the selected battery is the one that you need. You can also enter your original battery part number into the search field at USB Phone World to see the matching new batteries to the original.