The Battery Primary 97WHR 9C from Dell Inc. is a powerful notebook battery specifically designed as a replacement part for various Dell models, particularly the E6520 model. With a capacity of 97 watt-hours, this battery provides a reliable power source that allows for extended use of the notebook. Made in Japan, the battery meets the high standards of the brand and is part of Dell's commitment to sustainable practices, including the RE100 initiative. The UN number 3480 indicates the safety standards that must be adhered to during the manufacturing and transport of lithium-ion batteries. This battery is an ideal solution for anyone looking to maintain the performance of their Dell notebook without compromising on quality. It offers easy installation and is designed to extend the device's lifespan by ensuring a constant and reliable power supply.