If your laptop is dying faster than it used to, or only works when plugged in, it’s likely time for a replacement battery. At Best Buy , you can find both original Dell parts and high-quality third-party alternatives. Finding the Right Battery

Open your laptop or look at the original battery for a sequence of numbers and letters (e.g., "M5Y0X" or "MR90Y"). Popular Options at Best Buy

Guide to Finding and Replacing Dell Laptop Batteries at Best Buy

To ensure compatibility, you must identify your specific laptop model and battery "type" number:

Best Buy carries a variety of batteries for different Dell series: Dell Laptop Battery - Frequently Asked Questions