The HD-3100 is an XS Power battery installation accessory. XS Power lists it as: 3100 Series and XP3000 Billet Aluminum Hold Down. 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 HD-3100 3100 Series and XP3000 Billet Aluminum Hold DownSpecifications Model HD-3100 Product Type Terminals, Hardware & Hold-Downs Warranty 1-Year — view warranty (PDF) UPC 692209054146 Package Length 10.3 in. Package Width 4 in. Package Height 1.6 in. Package Weight 2 lbs. 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.
