Introducing our high-quality 65Wh XCMRD 3421 Battery for Dell Inspiron MR90Y 5421 15-3521 Notebook! As a leading factory in the industry, we take pride in providing reliable and durable replacement batteries for your laptop. Designed specifically for Dell Inspiron models, our battery offers an impressive 65Wh capacity, ensuring a long-lasting and uninterrupted power supply during your work or leisure activities. With our advanced manufacturing techniques and strict quality control measures, rest assured that our battery will meet and exceed your expectations. Choose our factory-made battery for enhanced performance and peace of mind.