The Sealey Premier PRS6400 RoadStart is a professional-grade emergency jump starter designed for heavy-duty applications in workshops, garages, and mobile breakdown services. Built around a high-performance 66Ah AGM battery, this Swiss-manufactured unit delivers exceptional starting power for vehicles up to 8-cylinder engines, including 9L diesel and 12L petrol configurations. Engineered for professional environments, the PRS6400 features a robust casing combined with genuine portability through its retractable handle and puncture-proof wheels, making it ideal for moving between bays or taking on roadside callouts. The 0/12/24V rotary switch ensures spark-free connection, whilst the digital voltmeter provides clear battery status monitoring. Heavy-duty brass clamps include an integrated short circuit protection fuse in the positive clamp for enhanced safety. User protection is comprehensive, with both visual and audible reverse polarity alarms preventing connection errors that could damage vehicle electrical systems. The 12V fused output socket serves dual purposes as a memory saver during battery replacement work and as a power source for accessories such as mini compressors. An automatic 12/24V 7A smart charger and maintainer is supplied to keep the unit ready for deployment. Features and Benefits: • 2500A cold cranking amps at 12V (1250A at 24V) for reliable starting power • 1.7m cable and clamp length provides comfortable reach to engine compartments • Integrated safety features prevent short circuits and reverse polarity connections • Multi-function 12V output socket powers accessories and serves as memory saver • Swiss manufacturing quality with 2-year guarantee Specifications: Auxiliary Output: 1 x 12V Brand: Premier Cable & Clamp Length: 1.7m Cold Cranking Amps: 2500A(12V)/1250A(24V) Nett Weight: 33.44Kg (exc.charger unit) Peak Amps: 6400A(12V)/3200A(24V)