The 511 is an XS Power battery installation accessory. XS Power lists it as: 680 Series and XP750 Stamped Aluminum Side Mount Box with Window. 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 511 680 Series and XP750 Stamped Aluminum Side Mount Box with WindowSpecifications Model 511 Product Type Terminals, Hardware & Hold-Downs Package Length 10 in. Package Width 8 in. Package Height 4 in. Package Weight 1 lb. UPC 692209012696 Warranty 1 year — view warranty (PDF) 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.
