Commercial Jump Starter, 5250A Portable 12V Lithium, 16L Gas/Diesel, Boost Max GB250

The NOCO Boost Max GB250 is a commercial-grade, portable lithium jump starter that delivers 5,250 amps of peak power to start dead 12-volt batteries in seconds. It jump starts gasoline and diesel engines up to 16 liters across 6-, 8-, 12-, and 16-cylinder configurations, covering light-duty through Class 8 vehicles such as semi-trucks, buses, RVs, motorhomes, and agricultural and construction equipment. NOCO UltraSafe 2.0 Technology provides spark-proof connections, reverse-polarity protection, and enhanced thermal efficiency. Its 242-watt-hour lithium pack recharges in about 4 hours with the included 56-watt adapter, powers 12-volt devices, and charges phones and tablets through dual 2.1A USB ports. An integrated voltmeter with a 60-second countdown timer and a 600-lumen LED flashlight with seven modes add utility. Weighing just 15 pounds, it includes the 56W power adapter, AC cords, XGC adapters, and an EVA protective case.