The 49571-13 Dell Tecate PowerBurst TPL CV battery unit is a replacement power source designed for Dell laptops that require a 13.5‑volt, 6.4F specification. Identified by the Dell part number 49571‑13, this battery belongs to the Tecate PowerBurst series, known for delivering consistent performance and reliable energy delivery in mobile computing environments. The TPL CV designation indicates a standard form factor and voltage configuration compatible with original equipment. This unit provides the necessary capacity to support typical work‑day usage, ensuring that the host system remains operational during periods of unplugged operation. It is packaged as a complete battery assembly ready for installation.