NOCO 3,000-Amp UltraSafe Lithium Jump Starter - GB251
The GB251+ is a 3000-amp portable lithium jump starter for gasoline and diesel engines up to 32-liters, including semi-trucks (up to class 8), motorhomes, coaches, buses, mining, agricultural, construction, and vocational equipment - 6, 8, 12, and 16 cylinder - and more.
Features
- Introducing our most powerful lithium jump starters yet. Designed for the largest, most challenging engine starts ever. With over 3000-amps of starting power, it can jump start gasoline and diesel engines up to 32-liters.
- Safe and easy to use battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 24-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 14-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.
What our Experts Think
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Powerful & Reliable: Delivers 3,000 amps of peak current, capable of jump-starting gasoline engines up to 10L and diesel engines up to 6L.
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UltraSafe Technology: Advanced spark-proof and reverse-polarity protection ensures safe operation every time.
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Portable Design: Compact and lightweight, easy to store in vehicles or garages without taking much space.
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Multi-Functional: Doubles as a USB power bank for charging smartphones, tablets, and other devices on the go.
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Durable & Long-Lasting: High-quality lithium battery provides long shelf life and consistent performance over time.
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Expert Recommendation: Ideal for emergency preparedness, roadside assistance, and everyday vehicle maintenance.
Q&A
Q: What is the NOCO GB251?
A: A 3,000-amp UltraSafe lithium jump starter for cars, trucks, and boats.
Q: What vehicles does it support?
A: Gas engines up to 10L, diesel engines up to 6L.
Q: Is it safe to use?
A: Yes, features spark-proof, reverse-polarity protection for ultra-safe operation.
Q: Can it charge devices?
A: Yes, includes a 12V USB port for smartphones, tablets, and other devices.
Q: How portable is it?
A: Lightweight and compact, easy to store in vehicles.
Q: Does it include a warranty?
A: Yes, backed by a manufacturerâs limited warranty for peace of mind.
Q: What makes it different?
A: High 3,000-amp output, ultra-safe lithium battery, and multi-device charging.
Maintenance Tips
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Keep fully charged when not in use
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Store in a cool, dry place
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Clean terminals regularly
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Avoid exposure to water or moisture
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Inspect cables and connections before each use
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Do not drop or expose to extreme heat
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Recharge every 3â6 months if unused
Damage 
Loss 
Theft 
