The NOCO Boost XL GB50 is an ultra-portable, high-performance lithium-ion jump starter designed for large-capacity engines. Delivering 1,500-amps of peak current, this unit can safely jump-start a dead battery in seconds—providing up to 30 starts on a single charge. Featuring the patented UltraSafe technology, the GB50 is mistake-proof, rugged, and essential for vehicles up to mid-size diesel trucks. Key Features 1500 Amp Power: Delivers powerful current capable of starting a wide range of large engines. UltraSafe Technology: Features spark-proof connections and reverse polarity protection, making it safe and easy to use on any 12-volt lead-acid battery. Engine Versatility: Rated to start gas engines up to 7.0 Liters and diesel engines up to 4.5 Liters. Durable Design: Constructed with a rugged, water-resistant enclosure (IP65 rated with ports closed). Power Bank Functionality: Equipped with a 2.1A USB output port to recharge personal mobile devices like smartphones and tablets. High-Output Flashlight: Integrated 200-lumen LED flashlight with seven modes, including SOS and Emergency Strobe for visibility and safety. Technical Specifications Feature Specification Peak Starting Current 1,500 Amps Supported Battery Types 12 Volt Lead-Acid (Wet, Gel, MF, EFB, AGM) Gas Engine Rating Up to 7.0 Liters Diesel Engine Rating Up to 4.5 Liters Maximum Jump Starts Up to 30 per charge Internal Battery 35 Watt-Hour (Wh) Lithium-Ion IP Rating (w/ Ports Closed) IP65 USB Output (Charging Devices) 5 Volts, 2.1 Amps Max USB Input (Recharge) 5 Volts, 2.1 Amps Max (Recharge in approx. 4.5 hrs) LED Flashlight Output 200 Lumens (7 Modes) Operating Temperature -20°C to 50°C (-4°F to 122°F) Unit Weight 1.11 kg (2.45 lbs) Compatibility Designed for use with 12-volt batteries in: Cars and SUVs Trucks (up to 4.5L Diesel) Boats Motorcycles ATVs and More What’s Included in the Box NOCO GB50 Boost XL Lithium Jump Starter Heavy-Duty Precision Battery Clamps 12V Car Charger Micro USB Cable Microfiber Storage Bag User Guide & Warranty Information
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