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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.

California customers:
Please click here for your Proposition 65 warning.

Top seller

Item # 598GB40

In stock
$99.95

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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Crutchfield response

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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
I need it at any time [ Jorge  May 11, 2020 ]
A
Gracias a un amigo q me lo recomendo [ Adalberto  Apr 11, 2020 ]
A
The reviews online all consistently say this is one of if not the best portable jump-starters available. And for the convenience of having this in my car in case the battery dies while I'm out somewhere. It was a no brainer! [ Russell  Mar 31, 2020 ]
A
A good back up tool, can also use it to start my motorcycle if needed. [ Gilberfy  Jan 07, 2020 ]
A
just a great price [ Jerry  Jan 01, 2020 ]
A
I have one in my truck, I've probably used it to jumpstart stranded vehicles, UTV, ATV, boats etc. 50 times in the last five years...its been a lifesaver. [ Ronald  Dec 14, 2019 ]
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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4 questions already asked

Q
where is this product made?
[ SERGIO  Apr 05, 2020 ]
8 answers
A
NOCO GB40 website says USA. You can verify this as I did (on their website). Thanks
[ Jack  May 20, 2020 ]
A
Correcting my response from yesterday. Just pulled mine out of the vehicle, it's made in China. Sorry for the previous misinformation.
[ Thomas  May 20, 2020 ]
A
Designed in USA but unfortunately it is made in China, but it is a great product.
[ bobby  May 20, 2020 ]
A
Sad to say but China
[ CHARLES  May 19, 2020 ]
A
Their headquarters, design, and engineering are in the US but manufactured in multiple countries. Mine specifically was made in China. I love these, I've had five of these types of devices and these are the only ones that have worked well for me. I was most impressed by it starting a 4.7l v8 where the battery was completely dead, dash lights weren't even coming on. I will say I'd get the gb50 if money is not an issue.
[ Benjamin  May 19, 2020 ]
A
Multiple countries of origin
[ Robert  May 19, 2020 ]
A
I'm pretty certain they are US made. Suggest you Google the company website and message them to confirm. It's a great product.
[ Thomas  May 19, 2020 ]
A
China
[ Darren  May 19, 2020 ]
Q
Will this start a marine battery that has 1000 cranking amps?
[ Steve  Mar 06, 2020 ]
1 answer
A
It's rated for 1000 amps and will start Gas engines up to 6 litres, and Diesel engines up to 3 litres
[ Ron  Mar 08, 2020 ]
Q
how often do I have to charge my unit?
[ jesse  Oct 25, 2019 ]
10 answers
A
Not very often. Depending on use. I like to TOP OFF mine every three months or so. With NO USE.
[ Arno A.  Oct 26, 2019 ]
A
In my experience, very rarely. I've had mine two years and I think I've charged it twice in that time, with one actual use for jump-starting and otherwise just sitting in the car toolbag. If it isn't used it will hold its charge for a very long time. I'd say check it periodically and you'll probably find that it will only need charging after being used a few times or after a long period of storage.
[ David  Oct 26, 2019 ]
A
I haven't needed to charge it very often, maybe once every 3-4 months, especially if I have used it. Fortunately, I have not needed it often, but when I have, it's always come through. If it hasn't been used, I have noticed that after about 4 months it still has at least 80-90% charge left in the lithium ion battery, which is plenty for several jump starts. So far, very happy with the unit.
[ Alisa  Oct 26, 2019 ]
A
After using this unit a few times, I fully charged it and have not used the unit for over three months. I just checked the unit today and it is still fully charged.
[ Ben  Oct 26, 2019 ]
A
Not a lot. I have used mine about 5 times and fully charged it twice.
[ Migdalia  Oct 26, 2019 ]
A
You should charge it every time you use it. In this way, it always has full charge. Even though you do not use it, it keeps the charge for a long perid of time.
[ ERIC O  Oct 26, 2019 ]
A
I only charge my unit after I use it,or if it's showed its low on the indicator ,
[ Bret  Oct 26, 2019 ]
A
I gave this to my son as a gift. I was at his home a few months later when his neighbor needed a boost but car was parked where his cables wouldn't reach. My son pulled this "Genius" out of his truck (he had never needed to use it after the initial charge) and used it to start his neighbor's car. So, every few months should be sufficient to re-charge it, depending on either really cold or hot weather. I would certainly err on the side of making sure it's charged before going to the wilderness or taking a road trip. Hope this helps.
[ Robert  Oct 26, 2019 ]
A
I charged my unit only two times since December 2017, amazing product , very handy and easy to used.
[ Eric  Oct 26, 2019 ]
A
Charge it before it gets to 25 percent
[ Robert  Oct 25, 2019 ]
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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