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NOCO GB40 Boost+

1000-amp jump starter and portable power bank

Item # 598GB40

The GB40 power pack is designed to solve life's little charging problems.

The GB40 power pack is designed to solve life's little charging problems.

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About the NOCO GB40 Boost+

Dead battery blues

At some point, your vehicle will need a jump start. And if you use portable electronic devices, eventually you'll need to charge them when an outlet's not available. NOCO designed their GB40 power pack to solve life's little charging problems. The GB40 portable lithium-ion power pack delivers 1000 amps to jump start your vehicle's battery, and it also features a USB port for charging your mobile devices.

Dead battery blues

At some point, your vehicle will need a jump start. And if you use portable electronic devices, eventually you'll need to charge them when an outlet's not available. NOCO designed their GB40 power pack to solve life's little charging problems. The GB40 portable lithium-ion power pack delivers 1000 amps to jump start your vehicle's battery, and it also features a USB port for charging your mobile devices.

Start your car up to 20 times

The GB40 can start a typical vehicle up to 20 times on one charge. The pack's battery holds its charge level for over a year, and it's rated for over 1000 charge cycles. The GB40 is suitable for jump starting cars, boats, RVs, trucks, and other vehicles with gas engines up to 6 liters and diesel engines up to 3 liters. Its patented safety protection ensures spark-proof connections and reverse polarity protection. 

Portable power pack

The GB40 also works as a portable power pack for recharging portable electronics, and will power 12-volt devices such as tire inflators and power inverters. The power pack's microUSB port allows you to charge the GB40 from any USB-powered port like a wall charger, car charger, or laptop. 

LED flashlight

As well as charging, the GB40 also includes a built-in LED flashlight with seven modes, including SOS and emergency strobe. Its 100-lumen output will help you see at night, and also serves as a warning light when your vehicle is disabled and needs roadside assistance. 

This versatile device is made to meet all your 12-volt needs. Whether your problem is a car that won't start or a dark corner of your vehicle, this NOCO will give you the juice you need.

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Product highlights:

  • portable jump starter and power bank
  • lithium-ion battery
  • 1000A jump-start current
  • starts gas engines up to 6 liters and diesel engines up to 3 liters
  • charges and powers your 12-volt devices
  • LED flashlight
  • dimensions: 7-3/4"L x 3-1/4"W x 1-3/4"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # GB40

What's in the box:

  • Lithium jump starter
  • Battery clamps
  • 12V/USB car charger
  • 3' microUSB-to-USB cable
  • Storage pouch
  • User Guide
  • Warranty Information

Customer reviews

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NOCO GB40 Boost+ reviews

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NOCO GB40 Boost+

Crutchfield customer from Toa Alta, PR on 7/14/2019

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Wor

Pros: Worked like a charm. Very happy with the purchase.

Cons:

Crutchfield response on

0 of 0 found this helpful

Every car should carry one

Crutchfield customer from Memphis, TN on 1/24/2019

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The electronic boosters are a great improvement over having to carry jumper cables and hoping you can find someone to let you hook up to their battery. They are also better than waiting an hour for emergency roadside assistance. I recently used one (a brand that is no longer available) to jump off my wife's car that would not restart when she stopped for gas. The NOCO is a second booster to go in my car - my wife kept the other one. I chose it because of the 1000 amps boosting power and the heavy duty clamps. It also has received high reviews. I purchased from Crutchfield because of price, free shipping and ease of doing business

Pros: high power, sturdy construction, easy to use

Cons: short cables, inadequate carrying case

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0 of 0 found this helpful

Best of the lot !!

Bobby from Ringgold, GA on 1/1/2019

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After reading many consumer reviews and alot product information about battery boosters i purchased two of the Noco GB40 boosters as gifts for my sons. This is a very safe and well made quality product and it will do what Noco says it will do. So if you are looking for a great booster this is the one to have, and i liked the GB40 so much i just bought one for myself.

Pros: The long lasting power.

Cons: none so far.

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0 of 0 found this helpful

Works as advertised

Tom from Cross Plains, TX on 12/15/2018

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I'll admit I was skeptical about how effective this small brick sized device would be at jump starting any dead 12 volt battery. Reading a number of professional reviews convinced me to give it a try and with Crutchfield's great Cyber Monday sale how could I lose? Had the opportunity to test it out this past week when my ATV refused to start. Charged up the GB40 and followed the simple instructions and the machine started instantly...could not be easier. I've got a nearly 6 year old SUV with the original OEM battery; despite repeated testing and reassurance from the dealer that I'm good to go having the GB40 on board will give me peace of mind.

Pros: Small, easy to use and works

Cons: The cables are a little short

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1 of 1 found this helpful

Nice and really handy when you need it.

Danny from Newtown Square, PA on 12/2/2018

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Nice and compact. However, I have not used it yet, and I don't know how long shelf life of the charge. I heard 6 months to a year but can't comment on this yet.

Pros: Compact

Cons: A little expensive compared to other competitive brands.

Crutchfield response on

0 of 1 found this helpful

GB40 Started 4.7 V8 and 3.6 H6

Crutchfield customer from Saint Joseph, MI on 11/9/2018

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Have SLA type and it would not jump a 4.7 V8 or 3.6 H6. GB40 Boost+ was able to jump both this past summer. Purchased this unit so that I can have one in each vehicle. Have only used at ambient temperature, approx 60 F.

Pros: Small/compact, works as intended.

Cons: Comes with carrying bag, not a decent case.

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1 of 1 found this helpful

NOCO GB40 Boost+

Crutchfield customer from Carolina, PR on 8/25/2018

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good

Pros:

Cons:

Crutchfield response on

0 of 2 found this helpful

NOCO GB40 Boost+

Crutchfield customer from Yonkers, NY on 6/5/2018

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This product works well and is ultra safe

Pros:

Cons:

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0 of 2 found this helpful

NOCO GB40 Boost+

Crutchfield customer from Hammond, LA on 5/31/2018

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Nothing better, very easy to store and use.

Pros:

Cons:

Crutchfield response on

0 of 1 found this helpful

Jump !

Rich from Cleveland, OH on 4/23/2018

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Very easy to hook up and use . Worked perfect no complaints at all . Fast to charge after the first initial charge

Pros: Looks good easy hook up charges laptops or cell phones

Cons: None yet !

Crutchfield response on

2 of 2 found this helpful

NOCO GB40 Boost+

Crutchfield customer from San Antonio, TX on 4/14/2018

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Great booster easy to use would highly recommend

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

NOCO GB40 Boost+

Crutchfield customer from Wichita, KS on 3/14/2018

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I have yet to actually put the NOCO GB40 Boost+ to use. Found the charging process to be relatively easy...even my cousin the GEICO caveman could do it. (Yes, I am really related to John Lehr the GEICO caveman!) And it is small enough to fit a storage space in my 2014 Toyota Tacoma SR5. What a well-designed product.

Pros: Fits storage space in my Toyota.

Cons: None that can be reported at this time.

Crutchfield response on

1 of 3 found this helpful

NOCO GB40 Boost+

Crutchfield customer from Montrose, IA on 2/1/2018

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Item is very compact and easy to hide away out of the way. I have not had a chance to use the jumper feature, but will be ready if I ever do! The usb charging port is great for phone or tablets. Durable clamps compared to other models I have seen.

Pros: Durable, compact, easy to use

Cons: Doesn't come with a 110 volt plug.

Crutchfield response on

1 of 3 found this helpful

Outstanding Product

Jason from Anderson, IN on 1/8/2018

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The NOCO Boost has worked without fault each time I have needed it...what a great product!

Pros:

Cons:

Crutchfield response on

3 of 3 found this helpful

NOCO GB40 Boost+

Julio from Luquillo, PR on 12/27/2017

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Great for emergencies out on the road but the charge will not last long. A few charges of a cell phone and not much more. I returned it and got the bigger one.

Pros: Compact, seems durable

Cons: not enough power for an overnight or weekend trip.

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3 of 3 found this helpful

NOCO GB40 Boost+

Crutchfield customer from Hartford, AL on 12/9/2017

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This is an outstanding product. I've bought 5 of them for my family members. This unit can easily be carried in your vehicle. It can be charged in the vehicle and a charge can last up to one year. It well crank a completely dead battery . Great product.

Pros:

Cons:

Crutchfield response on

3 of 3 found this helpful

Great product!!

Justin T. from Johnstown, PA on 8/27/2017

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This product is awesome! My 2500 hd went dead at the drive in movies because I forgot to start it between movies. The GB40 had no trouble starting my 6.0L gas motor. Also after that it still had 75% charge. I'm very impressed that something so small could jump start my truck.

Pros: Small, lightweight, user friendly

Cons: None

Crutchfield response on

10 of 10 found this helpful

NOCO GB40 Boost+

Crutchfield customer from Sun City West, AZ. on 8/24/2017

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I saw the Ad for the GB40 in Hot rodder magazine. I purchased the GB40 Jump Starter on the internet. I read the instructions and found that the product doesn't come with an electrical adapter to charge from a wall plug. How disappointed I was. I had to go to a store to complete my GB40 purchase. I haven't found the need to use it yet, but I have no doubt that it will work just fine.

Pros:

Cons:

Crutchfield response on

2 of 5 found this helpful

NOCO GB40 Boost+

Daniel W from Mammoth Spring, AR on 8/12/2017

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Absolutely love it jump three cars and charge my phone and still had half a charge Works excellent

Pros: Lightweight small compact easy to use

Cons: None

Crutchfield response on

3 of 3 found this helpful

Better have it than needed

David from Bayamon, PR on 7/27/2017

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I bought the Noco GB40 when I suspected that my car battery had started to fail. I have used it 3 times with excellent results. I charged it once and still in the green light since then. I discovered the product from a review video at youtube. I think that it is an excellent product that car owners need in their trunk.

Pros:

Cons:

Crutchfield response on

6 of 7 found this helpful

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Pros:

Cons:

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<< >>

More details on the NOCO GB40 Boost+

Russ B.

Product Research

Features

UltraSafe Lithium Jump Starter: The Noco Genius Boost+ GB40 is a portable lithium-ion battery jump starter pack that delivers 1,000-amps (7,000 J3S) for jump starting a dead battery in seconds. The Genius Boost+ GB40 powerful lithium jump starter is capable of jump starting up to 20 vehicles on a single charge. It's rated for over 1,000 charge cycles and holds its charge level for over a year with minimal power loss. Its designed for a car, boat, RV, truck and more with gas engines up to 6 liters, and diesel engines up to 3 liters.

  • 12V Lead-Acid Battery Compatible: The GB40 is designed to jump start 12-volt lead-acid batteries down to 2-volts. If your battery is below 2-volts, the Boost LED will be "Off". This is an indication that the GB40 can not detect a battery. If you need to jump start a battery below 2-volts there is a Manual Override feature, which allows you to force "On" the jump start function.
  • Spark-Proof Connection & Reverse Polarity Protection: It features a patented safety technology that provides spark-proof connections and reverse polarity protection making it safe and easy for anyone to use.

Note: Most vehicles will immediately start. Some vehicles may require the GB40 to be connected for up to 30 seconds before starting. If the vehicle does not start right away, wait 20-30 seconds and try again. Do not attempt more 5 consecutive jump starts within a 15 minute period. Allow the GB40 to rest for 15 minutes before attempting to jump start the vehicle again.

Simple User Interface: Noco designed the GB40's user interface to be simple and easy to understand. LED status indicators display the internal lithium battery's charge level and charging status. Error indicators show when connected in reverse polarity or temporarily disabled for thermal protection. Or simply turn on the LED flashlight, recharge a USB device, or use manual override for deeply discharged batteries.

Heavy-Duty Battery Clamps: The included heavy-duty battery clamps span 23" in length, and capable of reaching most battery posts or chassis ground. It features a high-temperature silicone wire insulation that remains extremely flexible down to 0°F and withstands high levels of duress and even prolonged exposure to high temperatures.

100-Lumen Dual LED Flashlight: The GB40 feature's a built-in rechargeable, lithium-powered LED flashlight with seven light modes - 100%, 50%, 10%, SOS, Blink, Strobe, & Off. With multiple luminosity settings, it's immediately adaptable to a variety of situations. Use it's powerful flashlight will help you see your engine, changing a tire at night or even warn oncoming traffic when disabled and needing of roadside assistance.

Built-in 2.1A USB Output: The built-in 5V/2.1A USB out port can power and charge your USB devices - such as smartphones, GoPro cameras, wireless headphones, and more. Devices that are frequently being used, like phones and cameras, often require more power to run all day than the device's battery is rated for. The GB40's battery pack extends the life and running time of your device. Plus, powering your device from an external battery pack will reduce the internal battery's charge cycles, extending the usable life.

microUSB Charging Input: Recharge the GB40 using its microUSB input, the included microUSB-to-USB cable, the supplied 12V car charger, and your vehicle's 12V power port or cigarette lighter adapter port. It can also be recharged from any USB powered port - like an AC adapter, computer/laptop, and more. The microUSB Input is rated at 5V/2.1A to ensure safe and efficient charging of the internal lithium battery. The time to recharge the GB40 will differ based on the discharge level and the power source used (actual results may vary due to battery conditions).

USB Charger Rating 0.5A 1A 2A
Charging Time 12 hours 6 hours 3 hours

Notes:

  • The GB40 comes partially charged out of the box and needs to be fully charged prior to use.
  • Due to FCC regulations, we recommend not to charge and discharge the unit at the same time.

Charge LEDs: The GB40 has four Charge LEDs - 25%, 50%, 75% and 100%. These Charge LEDs indicate the internal battery's state-of-charge (SOC).

  • The 25% Charge LED will pulse while charging and will be solid Red when the internal battery is 25% charged.
  • The 50% Charge LED will pulse while charging and will be solid Red when the internal battery is 50% charged.
  • The 75% Charge LED will pulse while charging and will be solid Yellow when the internal battery is 75% charged.
  • The 100% Charge LED will pulse while charging and will be solid Green when the internal battery is fully charged.

Rugged Compact Design: This compact, pocket-sized lithium jump starter is IP65 rated (with ports closed) to protect it against water, shock, dirt, and dust. It's 8X smaller and lighter than traditional battery booster packs and conveniently stores in a glove compartment, center console, trunk, or toolbox.

Protection Circuitry: The GB40 will display an Error Condition when a reverse polarity condition is present, a battery below 2 volts, or the internal battery overheating. The Error LED will be solid Red when polarity is reversed or will blink Red when the internal battery is too hot. The Boost Light will not come on if the connected battery is below 2 volts.

Auto Shut Off: The GB40 has a built in energy saving feature that will automatically turn the unit off after 7 hours. To continue using, simply power on the unit again.

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
1000 amp because my car is a 66 Bonneville 389 try powered engine [ Kent  Apr 30, 2019 ]
A
Saw a bunch of reviews of this product and it seems to be a solid device that could help whenever my car battery malfunctions. [ ANASTACIO  Feb 07, 2019 ]
A
size [ Edward  Feb 07, 2019 ]
A
Works great. Wanted one for my other car. [ Richard  Dec 06, 2018 ]
A
Brand name reputation. [ Richard  Nov 19, 2018 ]
A
other customer reviews [ Eric  Sep 18, 2018 ]
A
friend loaned me his, it worked great, so I kept it and bought him a new one. [ roderick  May 11, 2018 ]
A
I went with this one because of the 1000A output [ Rich  Mar 29, 2018 ]
A
For most cars the GB40 is adequate. This is a present for someone I care about who lives in the Ithaca, NY area. The GB40 is very easy to use with excellent battery technology. You can just attach the leads to the battery posts, then connect to the off GB40. After that turn on the unit, go to your car and it will start if it is the batter that is dead. Good luck. [ Phil  Mar 19, 2018 ]
A
Great reviews and enough power to start any of our vehicles. [ Frederick  Feb 22, 2018 ]
A
my son had a smaller version this should work great [ Robert  Feb 21, 2018 ]
A
Recommended by the AAA service guy. No jumpstart cables needed and no need to rely on another car. [ Jebaraj  Feb 17, 2018 ]
A
Great gift for our sons who have trucks, boats, ATVs and other battery-powered toys. [ Robert  Dec 12, 2017 ]
A
Highly rated for cold weather jumps. [ Stephen  Nov 23, 2017 ]
A
I wouldnt like to be left stranded without battery charge [ Alex  Nov 21, 2017 ]
A
good reviews [ Gadget Dad  Oct 12, 2017 ]
A
My Aunt had one & we used it to help my daughter when her car broke down, so much easier than jumper cables, wonderful for women alone!! [ Dixie  Jul 31, 2017 ]
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1 question already asked

Q
is a 117 volt cable available for charging gb40 boost .unit [house current to gb40 ?
[ chief  Aug 10, 2017 ]
2 answers
A
everything needed was included on delivery
[ Daniel  Aug 11, 2017 ]
A
Well the cable included is an usb terminal but you can charged using iphone charger adapter or similar connected to any household electrical terminal then connect the usb terminal similar as you charge mobile phones.
[ David  Aug 11, 2017 ]

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