KickAss Voltage Sensitive Relays (VSRs) are engineered to efficiently manage dual battery systems in 4WDs, caravans, and marine setups. Featuring dual-sensing technology, these relays monitor both start and auxiliary battery voltages, ensuring optimal charging and preventing battery drain. With user-friendly features like manual override switches and Anderson-style connectors, installation is straightforward. Built to withstand harsh Australian conditions, KickAss VSRs offer reliable performance for off-grid adventures.