This notebook battery is specifically designed for the Dell Alienware 15 R3 and 17 R4 laptops and delivers reliable performance for long battery life. With a capacity of 99Wh and a voltage of 11.4V, this battery guarantees a long-lasting and powerful power supply for your device. This battery is refurbished, which means that it has been thoroughly tested, cleaned and if necessary repaired to function like new again. By choosing a refurbished battery, you not only save money, but you also contribute to a more sustainable and environmentally friendly way of consuming. It's a win-win for both your wallet and the planet. This refurbished notebook battery is the ideal solution for when your current battery is worn out and no longer provides the performance you need. With this battery you can enjoy a long operating time and optimal performance of your Dell Alienware laptop without any worries. Whether you are on the road or working at home, with this battery you can always count on a reliable power supply. By investing in a refurbished battery for your laptop, you can be assured that you will receive a quality product that meets all requirements. With proper care and maintenance, this battery can serve you for many years to come. Therefore, choose this refurbished notebook battery for Dell Alienware 15 R3 and 17 R4 laptops and experience the benefits of a reliable and sustainable power supply.