NOCO® GB250+ 5250 Amp 12V UltraSafe Lithium Jump Starter

Start the vehicle within 60 seconds after pressing the power button on Boost. After the 60-second timeout is complete, the unit must be powered off, then back on, to initiate a new jump-start sequence.

We took our UltraSafe technology and made it better— UltraSafe 2.0. It's still our simple, mistake-free design featuring spark-proof technology and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.

With two built-in 2.1A USB ports, you can power multiple devices at the same time, such as smartphones, tablets, action cameras, wireless headphones, wearables and more. With over 242 watt-hours of lithium power, the GB250+ can provide endless hours of operation and recharge your devices multiple times before needing a recharge.

From 0-100% 4X Faster. Charge directly from the vehicle's 12-volt auxiliary port or the XGC4 4-Amp Power Adapter to recharge it’s 242 watt-hours lithium-ion battery in 8.5 hours.

More than a jump starter, Boost MAX is a useful tool for daily use and emergency situations alike. The GB250+ is equipped with a 600-Lumen LED flashlight with various brightness modes, SOS, and emergency strobe— handy to have as a roadside or road trip tool.

Integrated Voltmeter / 60 Second Countdown Timer. The Boost MAX GB250+ is equipped with an integrated voltmeter to help pinpoint battery issues. The voltmeter doubles as a 60-second countdown timer, which shuts off GB250+ after 60 seconds to help preserve internal battery charge.

Introducing our most powerful lithium jump starters yet. Designed for the largest, most challenging engine starts ever. With over 5250-amps of starting power, it can jump start gasoline and diesel engines up to 16-liters.
• Safe and easy to use battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.
• It's commercial in every way. It jump starts almost every type of vehicle and equipment, including semi-trucks (up to class 8), motorhomes, coaches, buses, mining, agricultural, construction, and vocational equipment - 6, 8, 12, and 16 cylinder - and more. Plus, an integrated digital battery voltmeter for enhanced diagnostics.
• Jump starters this powerful typically are enormous and weigh hundreds of pounds, but our high discharge lithium technology makes it the most compact and lightweight design in the world - weighing a mere 15-pounds. And its portable carrying case makes jump starting more convenient than ever.
• It's not just a lithium jump starter but also a portable power bank for recharging smartphones, tablets, and other USB devices, with an ultra-bright 600-lumen LED flashlight with seven light modes, including emergency strobe and SOS.

Includes

• GB250+ Lithium Battery Jump Starter
• 56-Watt XGC Power Adapter
• 12-Volt 2-Foot XGC Cable
• Protective Carrying Case
• User Guide & Warranty Information

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Specifications

• Starting Current: 5250 Amps (Peak)
• Voltage: 12V
• Battery Types: 12V Lead-Acid Battery Systems
• Internal Battery: 242 Watt-Hour Lithium-Ion
• Operating Temperature: -4°F to 122°F (-20°C to +50°C)
• Charging Temperature: 32°F to 104°F (0°C to +40°C)
• USB Output: Dual 5V, 2.1 Amps
• Cooling: Natural Convection
• Gas Engine Rating: Up to 16.0 L, Safe On All Engine Sizes
• Diesel Engine Rating: Up to 16.0 L, Safe On All Engine Sizes
• LED Flashlight: 600 Lumens
• 12V XGC (Input): 12V @ 4 Amp
• 12V XGC (Output): 12V @ 15 Amp
• Gas Engine Rating: Up to 32.0 L, Safe On All Engine Sizes
• Diesel Engine Rating: Up to 32.0 L, Safe On All Engine Sizes
• Product Dimensions: 12.4" L x 6.1" W x 3.7" H
• Weight: 14.7 lbs

Limited Warranty

• 1 yr warranty

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