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Genius Lithium JumpStarter GB40

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2.60 LBS
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Product Description



1000 Amp UltraSafe Lithium Jump Starter


The GB40 is a compact, yet powerful 1,000 Amp lithium-ion jump starter that delivers 7,000 Joules of starting power. Its patented safety technology features spark-proof technology and reverse polarity protection making it safe for anyone to use. Designed for use with gas engines up to 6 liters and diesel engines up to 3 liters and doubles as a portable power source for recharging smartphones, tablets and more.


  • Compact, yet powerful lithium jump starter rated at 1,000 Amps (7,000 Joules3S) - up to 20 jump starts on a single charge
  • An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allow it to safely connect to any battery
  • An ultra-bright 100 lumen LED flashlight with 7 light modes, including SOS and Emergency Strobe
  • Recharge your personal devices on the go, like smartphones, tablets, e-watches and more - up to 4 smartphone recharges
  • Designed for gas engines up to 6 Liters and diesel engines up to 3 Liters for cars, boats, lawn mowers and more




  • 1000 amp output
  • Up to 20 jumpstarts per charge
  • Jumpstart any 12v lead acid battery in seconds
  • Can be used to jumpstart cars, trucks, motorcycles, lawn tractors, boats, RV and more
  • Lithium battery can hold it's charge for up to a year
  • Ultrasafe spark proof technology
  • Reverse polarity protection
  • Ultrabright LED flashlight with 7 modes including SOS and emergancy strobe
  • Recharge virtually and USB device including tablets and smartphones

Click here for Product Data Sheet


What's included?

  • GB40 Jump Starter
  • 40" USB to Micro USB to charge GB40
  • 12v 2.1Amp USB charger
  • Heavy Duty battery clamps
  • User guide and warranty info

Product Videos

Lithium Jump Starter Vs. Other Jump Starters - NOCO Genius Boost GB30 UltraSafe Lithium Jump Starter (00:36)
Lithium Jump Starter Vs. Other Jump Starters - NOCO Genius® Boost™ GB30 UltraSafe™ Lithium Jump Starter NOCO Genius® Boost™ Lithium Battery Jump Starter is completely different from any other traditional car jump starter - even other lithium car jump starters. Boost is extremely safe. It does not generate any sparks and you can't cause any damage by hooking the connections up incorrectly. Tradition car battery jump starters generate massive sparks when the clamps touch together or when the connections are reversed. This not only creates a dangerous situation, but also can damage your battery and the product. Starting at $159.95 at: http://www.geniuschargers.com/boost About NOCO Genius® Boost™ GB30 UltraSafe™ Lithium Jump Starter The NOCO Genius® Boost™ GB30 is a mini, portable, lightweight and pocket sized lithium-ion battery jump starter for 12-volt batteries. With it, you can safely jump start a dead battery in seconds - up to 20 times on a single charge. It's mistake-proof, making it safe for anyone to use and features spark-proof technology, as well as reverse polarity protection. The GB30 lithium car jump starter integrates with a high-output dual LED flashlight with 7 light modes, holds its charge for up to one year and features a USB battery pack for recharging personal devices on the go. It's suitable for use on vehicles up to 6 liters (6000cc), such as a car, boat, truck, RV, motorcycle, ATV, lawn mower and more. For more information, visit no.co/boost. Some Frequently Asked Questions On NOCO Genius® Boost™ GB30 UltraSafe™ Lithium Jump Starter: Some Frequently Asked Questions. Q: What happens of you touch the clamps together? A: Nothing, it is perfectly safe and there will be no sparks. Boost has built in sensors that prevent power from being delivered, unless a battery is detected. Q: What happens of you connect to a battery backwards? (Reverse Polarity) A: The error LED will illuminate, but it is perfectly safe and there will be no sparks. Boost will not deliver power unless the battery is connected to the battery correctly. Q: Do you have to disconnect any cables to use this product? A: No. Connect directly to the positive post first, then the negative. Q: How long does it hold a charge? A: It can hold 70% of its rated capacity for up to one year. For optimal performance, we recommend charging the device at least every 6-12 months, after initial charge. Q: How is it recharged? A: It is USB rechargeable. Any qualified USB AC Adapter, Car Charger, Laptop or any other USB powered port can recharge the device. Q: Can it recharge my branded smartphone? A: Yes. It can recharge all generations of smartphones on the market, as well as, HD action cameras, tablets, music players, wireless speakers and more. Q: Does it have any limitations on car engine size for jump starting? A: Yes. It is primarily designed for single battery vehicles with engine displacements up to 6 liters or 6,000cc. This vast majority of vehicles on the road are below this size, and will work with Boost. Q: Can it jump start a motorcycle? What about a lawn mower, et. al.? A: Yes. It can jump start any vehicle, like a car, boat, motorcycle, ATV, lawn mower, RV, tractor, truck and more. View Other Videos On NOCO Genius® Boost™ GB30 UltraSafe™ Lithium Jump Starter: Lithium Jump Starter Vs. Car Jump Starters: http://bit.ly/1sLyT8b Lithium Jump Starter Vs. Other Jump Starters: http://bit.ly/1AsmAnw Full Power: http://noco.ag/1wAJLuU Independence: http://bit.ly/1zj4zcg Extreme Temperature Test: http://noco.ag/1z7XxSz Extreme Drop and Roll Test: http://bit.ly/1wQzb2E Actual Demonstration With Willie B: http://noco.ag/1sUOV58 Featured On Two Guys Garage: http://noco.ag/1Hiyqkm Subscribe To Our Channel: https://www.youtube.com/noco View Our Lithium Jump Starter Playlist: http://noco.ag/1AIfGbX Vist Our Website: Official NOCO Site: http://no.co Genius Boost Page: http://no.co/boost Follow Us On Social Media: Facebook: http://noco.ag/1Cmb10B Twitter: http://noco.ag/1ra9yJB Google+: http://noco.ag/13pVSz8 Instagram: http://bit.ly/1CgISL9 YouTube: http://noco.ag/1JBJbSL Pinterest: http://noco.ag/1watYO8
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    Lithium Jump Starter Vs. Other Jump Starters - NOCO Genius® Bo...
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Product Reviews

  1. this is the only charger you will ever need for travel. 5 Star Review

    Posted by on 31st Mar 2018

    Jumps your car and charged your phone. Has emergency lights The best A NASA Scientist told me about. . .

  2. AWESOME PRODUCT 5 Star Review

    Posted by on 6th Feb 2018


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