This notebook battery is an essential part for users of the ASUS N51 Series laptops who are looking for a reliable and sustainable energy source. With a power of 10.8V/11.1V and a capacity of 4400mAh, this battery provides sufficient power to provide your laptop with the energy it needs to function optimally. Best of all, this notebook battery is refurbished, meaning it has been carefully checked, reconditioned and tested to ensure it meets the highest quality standards. By choosing a refurbished battery, you can enjoy the same performance as a new battery, but at a fraction of the price. Moreover, you contribute to a more sustainable and environmentally friendly way of consuming by choosing a refurbished product. This notebook battery is specially designed for the ASUS N51 Series laptops and guarantees perfect fit and compatibility. This means you can be sure that your laptop will perform optimally with this battery. Whether you are on the road or working at home, with this battery you can always count on a long lifespan and reliable energy supply. Thanks to the high capacity of 4400mAh, you can work longer without having to worry about charging your laptop. Whether you are working, watching videos or simply surfing the internet, this battery will allow you to enjoy an uninterrupted user experience for hours. In short, this refurbished notebook battery for the ASUS N51 Series is the ideal choice for users who are looking for an affordable and high-quality energy source for their laptop. With its durability, compatibility and performance, this battery is an essential accessory for any ASUS N51 Series user.