The 500 is an XS Power installation accessory. XS Power lists it as: Heat Protective Power Wrap Kit - One Size Fits All. The specifications below come directly from XS Power's June 2026 distributor data. Verify voltage, group size, polarity, dimensions, and application requirements before ordering.This Listing Includes: (1) XS Power 500 Heat Protective Power Wrap Kit - One Size Fits AllSpecifications Model 500 Product Type Accessories Warranty 1 year UPC 692209050957 Package Length 10 in. Package Width 8 in. Package Height 3 in. Package Weight 1 lb. Available from JS Alternators.PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.For more information, visit www.P65Warnings.ca.gov.