Sealey Premier RoadStart® 12/24V Emergency Jump Starter with Dual AGM Batteries & Digital Voltmeter, 5000/2500A (PRS5000) Professional-grade jump starter delivering 5000A peak power to start engines up to 5L diesel and 8L petrol. Features dual 22Ah AGM batteries in anti-shock casing with spark-free rotary switch connection and comprehensive safety protection. This heavy-duty unit includes a digital voltmeter for alternator testing, isolated brass clamps with pure copper cables, 12V accessory output, and automatic smart charger. Suitable for commercial garages, recovery services, and demanding professional applications. Professional Jump Starting Power Massive 5000A Starting Power High-performance 5000A peak output reliably jump-starts engines up to 5L diesel and 8L petrol, covering everything from cars and vans to light commercial vehicles and agricultural machinery. Dual 22Ah AGM batteries deliver consistent cranking power even in extreme temperatures and multiple jump starts per charge. 12V and 24V Dual Voltage Operation Versatile 0/12/24V rotary switch enables safe, spark-free connection to both standard 12V vehicle systems and heavy-duty 24V commercial applications. Eliminates dangerous sparks during connection and allows single-unit coverage of mixed vehicle fleets without separate equipment. Comprehensive Safety Protection Systems Built-in reverse polarity alarm provides both visual and audible warnings if clamps are connected incorrectly, preventing damage to vehicle electronics and jump starter. Short circuit protection system automatically isolates the unit from electrical faults, safeguarding operator and equipment during challenging roadside conditions. Industrial-Grade Connection Hardware Fully isolated industrial brass clamps with 100% pure copper cables ensure maximum power transfer and minimal voltage drop during cranking. Heavy-duty construction withstands repeated commercial use, whilst insulated clamps prevent accidental short circuits against vehicle chassis during connection. Digital Voltmeter and Alternator Testing Easy-to-read digital display shows precise battery voltage status and doubles as an alternator diagnostic tool to verify vehicle charging system performance. Enables quick identification of whether a flat battery requires jump starting or if underlying charging faults need addressing. 12V Accessory Power Output Dedicated 12V output socket functions as a memory saver to preserve vehicle radio codes and ECU settings during battery replacement, plus powers accessories such as mini compressors, work lights, and phone chargers. Adds versatility beyond jump starting for complete roadside assistance capability. Robust Anti-Shock Construction Dual 22Ah AGM batteries housed in heavy-duty anti-shock casing withstands drops, impacts, and rough handling in commercial environments. Sealed AGM technology prevents acid leaks and allows operation in any orientation, making it ideal for mobile mechanics and recovery vehicle mounting. Automatic Smart Charging System Supplied with automatic 15V 3A smart charger and maintainer that monitors battery condition and adjusts charge rate accordingly. Prevents overcharging during storage and maintains optimal battery health for immediate readiness, extending service life and ensuring reliable performance when called upon. Technical Specifications and Operation Starting Capacity: 5000A peak output. Suitable for petrol engines up to 8.0L and diesel engines up to 5.0L including cars, vans, light commercial vehicles, and agricultural equipment. Battery Configuration: Two 22Ah AGM (Absorbent Glass Mat) batteries providing maintenance-free operation, leak-proof construction, and superior vibration resistance for commercial use. Voltage Selection: 0/12/24V rotary switch for spark-free connection. Ensure correct voltage selection before connecting to prevent vehicle electrical system damage. Safety Features: Reverse polarity visual and audible alarm, short circuit protection system, and fully isolated industrial brass clamps with pure copper cables. Diagnostic Functions: Digital voltmeter displays unit and vehicle battery voltage. Can be used to check vehicle alternator output during engine running. Accessory Output: 12V power socket for memory saver function, mini compressors, and 12V accessories. Maximum draw limited by internal protection. Charging: Supplied with automatic 15V 3A smart charger and maintainer. Connect when unit not in use to maintain optimal battery condition. Construction: Robust anti-shock casing designed for professional and commercial environments. Heavy-duty handle for portability between vehicles. Frequently Asked Questions Will this start a large diesel engine? Yes, the 5000A output is rated for diesel engines up to 5.0L and petrol engines up to 8.0L, covering most commercial vans, trucks, and agricultural machinery. Can I use this on 24V commercial vehicles? Yes, the rotary switch selects between 12V and 24V operation. Always verify the vehicle voltage and set the switch accordingly before connecting. What happens if I connect the clamps incorrectly? The reverse polarity alarm will sound immediately with visual warning. The unit will not operate until clamps are correctly connected, protecting both the jump starter and vehicle electronics. How do I maintain the batteries? The supplied smart charger can be left connected when the unit is not in use. It automatically maintains optimal charge without overcharging, ensuring readiness and extending battery life. Can I use this as a portable power bank? The 12V output socket can power 12V accessories and mini compressors, but is not designed for USB device charging without an appropriate adapter.
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