The 993 is an XS Power power-control accessory. XS Power lists it as: Voltage Step-Down Module 50A Max. 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 993 Voltage Step-Down Module 50A MaxSpecifications Model 993 Product Type Isolators, Modules & Accessories Warranty 1 year UPC 692209011453 Package Length 8 in. Package Width 5 in. Package Height 3 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.