The ASUS ROG Ally Z1 Extreme Replacement 40w Battery M327-14RP is a high-quality LiPo battery designed specifically for the ASUS ROG Ally Z1 Extreme laptop. With a capacity of 40Wh and 4 battery cells, this unit is guaranteed to provide long-lasting power for your device. Manufactured by ASUS, compatible with the ASUS ROG Ally Z1 Extreme model. The sleek silver design complements the aesthetics of the laptop, making it a perfect replacement option for those in need of a reliable battery for their gaming machine.