This refurbished notebook battery is perfect for the HP Specter Pro X360 Specter 13-4000. With a capacity of 4810mAh and a voltage of 11.4V, this battery provides the reliability and performance you need for your laptop. Thanks to the refurbished design of this battery, you are assured of a high-quality product. Refurbished products are carefully checked, cleaned and repaired before being offered for sale again. This means you can benefit from a battery that is as good as new, but at a lower price. With this refurbished notebook battery you can work undisturbed, play games or surf online again without worrying about an empty battery. The capacity of 4810mAh ensures that your laptop can be used for a long time without having to charge it in between. This makes this battery ideal for people who travel a lot or who like to work for long periods of time. With this battery you don't have to worry about compatibility with your HP Specter Pro X360 Specter 13-4000. Thanks to the refurbished quality control, you can be sure that the battery will work perfectly with your laptop without any problems. Moreover, with this battery you get the same performance as a brand new battery, but for a fraction of the price. In short, if you are looking for a reliable and powerful battery for your HP Specter Pro X360 Specter 13-4000, then this refurbished notebook battery is the ideal choice. With its high capacity, voltage and quality, you are assured of a battery that meets all your requirements.