The Dell WJ5R2 Battery Replacement is a high-quality power solution designed for Dell Inspiron 15-3000 and 15-5000 series laptops. With a 3-cell Lithium-Ion configuration, it offers a capacity of 42Wh and 11.4V for reliable performance and up to 4-6 hours of runtime, depending on usage. Built with advanced safety features, including overcharge, over-discharge, and short circuit protection, this CE, FCC, and RoHS-certified battery ensures secure and efficient operation. Lightweight and easy to install, it’s the perfect choice to restore your laptop’s portability and productivity.