Power through the toughest starts with the GB500/GB500+ Boost Max—an industrial-strength, portable jump starter built for workshops, roadside teams, and fleet operators. Its high-output lithium design delivers up to 6250 amps to crank large gas or diesel engines with deeply discharged batteries, while smart safety tech keeps your crew and vehicles protected.
Why it’s great
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12V & 24V versatility: One unit covers light vehicles, heavy trucks, buses, agricultural and construction equipment.
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Massive starting power (up to 6250A): Turns over stubborn engines quickly, even in cold weather.
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Ultra-safe operation: Spark-proof technology and reverse-polarity protection help prevent accidents and damage.
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Built for the field: Rugged, impact-resistant housing with pro-grade clamps and cables for dependable performance.
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Quick, simple workflow: Clear status indicators and one-button operation get you from hookup to start in seconds.
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All-day readiness: Rechargeable lithium battery holds its charge and is designed for repeated professional use.
Ideal for
Fleets, service trucks, emergency roadside assistance, heavy-duty garages, and anyone who needs reliable starts across mixed 12V/24V equipment.
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