WY9DX Dell Lithium-ion battery, 42Wh capacity, 3-cell design, 11.4V voltage, compatible with select Dell laptops. 42 Wh Lithium-ion battery, 42Wh capacity, 3-cell design, 11.4V voltage, compatible with select Dell laptops.Ensure uninterrupted productivity with the Dell Lithium-Ion Battery. Specifically designed for the Dell Latitude 5420, 5520, and Precision 3560 series laptops, this 42Wh battery offers reliability and performance while powering your critical applications. With a capacity of 3500mAh and a voltage of 11.4V, it provides robust energy supply to keep you going during long work sessions.The 3-cell Li-ion technology complies with CE and RoHS certifications, assuring users of sustainable and safe operation. Its adherence to rigorous European Community production standards guarantees solid performance suitable for business needs. As a reputable leader in the IT industry, Dell’s commitment to quality means this battery delivers dependable performance.Choose for access to authentic Dell products and expert support, ensuring that your investment in essential hardware is protected and effective. Save time and reduce downtime with this dependable battery solution.