Restore the mobility of your computer with a replacement battery for your Dell Studio 17, Studio 1745, Studio 1747 or Studio 1749 laptop computer. USB Phone World’s 9-cell, 7200mAh lithium-ion replacement battery for your Dell 17 Series laptop is guaranteed to fit just like the original equipment battery and meet or exceed original specifications, but at a lower price. Your laptop’s battery has a finite life span, so if your battery isn’t lasting as long as it originally did or if it isn’t charging properly, a replacement battery from USB Phone World is an inexpensive way to get your computer running like it used to and unhook yourself from the AC power cord. Save even more money off our low prices by using the promotional codes on the site for discounts on our batteries and other accessories, including adapters and chargers, as well as discounts on shipping. You can always check to ensure you’re buying the right battery by entering the code on the back of your old battery, such as U164P. If you’re unsure, use our Live Help Online chat feature for help.