The C21N1515 battery is specifically designed for Asus R753U, X756U, F756UA, P756U, and Z756UQ series laptops. With a battery capacity of 5000 mAh and a voltage of 7.4 V, this Li-Ion battery is ideal for keeping your device powered up for extended periods. The sleek black design ensures a seamless fit with the compatible Asus laptops, providing reliable performance for all your computing needs.