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NOCO

NOCO Boost GB40: 1000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 6.0L Gas and 3.0L Diesel Engines

  • Based on 120,151 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, Dec 5
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Features

  • START DEAD BATTERIES Instantly start dead batteries with 1000 amps of peak lithium power. Up to 20 starts per charge on engines up to 6.0L gas and 3.0L diesel.
  • ULTRASAFE TECHNOLOGY Engineered with patented spark-proof and reverse polarity protection for foolproof connections to any 12V vehicle - no sparks, no wrong connections.
  • PORTABLE POWER BANK Integrated power bank delivers emergency power to smartphones, tablets, and more. Recharges in 3 hours so its ready when it matters most.
  • INTEGRATED LED FLASHLIGHT Precision-engineered 100-lumen LED with 7 light modes, including SOS and strobe. Illuminate repairs, emergencies, or low-light environments.
  • COMPACT YET POWERFUL High-discharge lithium technology delivers exceptional starting performance in a compact 2.5 lb form factor - perfectly sized for glove boxes and emergency kits.
  • BUILT TOUGH Rugged IP65-rated housing with rubberized over-molding protects against water, dust, and impact. Includes high-conductivity clamps for maximum energy transfer.
  • WHATS IN THE BOX GB40 jump starter, heavy-duty clamps, USB-C charging cable, and microfiber storage bag. Backed by a 1-year warranty and engineered in the USA.

Description

The NOCO Boost GB40 is a compact yet powerful 1000-amp lithium jump starter designed to safely jump start a dead car battery in seconds—perfect for cars, trucks, motorcycles, ATVs, boats, SUVs, vans, and more. This portable car battery jump starter delivers up to 20 jump starts on a single charge and is rated for gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters. Engineered with UltraSafe Technology, it features spark-proof connections and reverse polarity protection, making it a safe and mistake- proof car battery booster for any 12-volt vehicle. It doubles as a portable USB-C power bank for charging smartphones, tablets, and other devices when it matters most, and includes an integrated 100-lumen LED flashlight with seven light modes, including SOS and emergency strobe—ideal for night use, roadside visibility, or emergencies. With an ultra-compact, rugged design, IP65-rated enclosure, and rubberized over-molded casing, this battery jump starter pack is built tough to withstand water, dust, drops, and rough handling. The GB40 includes heavy-duty jumper cables, a USB-C charging cable, and a microfiber storage bag, all backed by a 1-year warranty and proudly designed in the USA. Whether you’re looking for a car jump starter, battery jump box, jumper pack, power pack jump starter, or a reliable jump starter battery pack to keep in your glovebox, the GB40 delivers unmatched performance, trusted durability, and peace of mind—on the road, off the grid, or wherever your next adventure takes you.

Brand: NOCO


Product Dimensions: 4.61"D x 8.19"W x 4.21"H


Item Weight: 2.4 Pounds


Amperage: 1000 Amps


Peak Output Current: 1000 Amps


Brand: ‎NOCO


Product Dimensions: ‎4.61"D x 8.19"W x 4.21"H


Item Weight: ‎2.4 Pounds


Amperage: ‎1000 Amps


Peak Output Current: ‎1000 Amps


Specification Met: ‎UL


Manufacturer: ‎NOCO


UPC: ‎046221150025


Global Trade Identification Number: ‎25


Automotive Fit Type: ‎Universal Fit


Model: ‎GB40


Item Weight: ‎2.4 pounds


Item model number: ‎GB40


Batteries: ‎Lithium Metal batteries required. (included)


Is Discontinued By Manufacturer: ‎No


Exterior: ‎Machined


Manufacturer Part Number: ‎GB40


OEM Part Number: ‎GB40


Mirror Adjustment: ‎insect control


Bulb Type: ‎LED


Special Features: ‎100 Lumen LED Flashlight, 1000A 12V Portable Lithium Car Battery Jump Starter, Portable Power Bank for USB Devices, Reverse Polarity and Spark-Proof Protection


Date First Available: January 1, 2010


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Dec 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Affirm Financing
  • Afterpay Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Yeap it does the work for yea. Powerful and Reliable Jumper
Review Image by Kourosh Kourosh
The NOCO Boost Plus GB40 is the real deal. It jump-starts my full size cargo van (Sprinter) without breaking a sweat, even in cold weather. Compact, easy to use, and holds a charge for months. The build feels tough, and the added flashlight and USB ports are a nice bonus. A must-have tool for anyone on the road—works exactly like it should every time. ... show more
Reviewed in the United States on November 3, 2025 by Kourosh Kourosh
    • Reliable Jump Starter That Sold Me the First Time I Saw It Work
I actually bought the NOCO Boost GB40 because of a camping trip with family. My truck battery died out there, and my brother-in-law pulled his GB40 out and jumped my truck in seconds. That was all the convincing I needed. As soon as I got home, I ordered one for myself. Since then, I’ve used it a couple of times to help other people, and it’s worked perfectly every time. It’s quick, easy to use, and way more convenient than dealing with jumper cables or hoping someone nearby is available to help. The size is great too — compact enough to keep in the truck without taking up any real space. The GB40 feels solid and well-built, and the safety features give me confidence when I’m hooking it up, especially in less-than-ideal conditions. It holds a charge well, and I like knowing I have it ready just in case something goes wrong with my battery again. Overall, this jump starter has become one of those “must-have” items I keep in my truck at all times. It’s reliable, powerful, and already saved me more than once. I’m glad I bought it, and I definitely recommend it. ... show more
Reviewed in the United States on November 23, 2025 by Sam
    • Easy, Fast and Reliable
This review is for: NOCO Boost Plus, Model GB40 ============================ Short Version: I love this device and will likely never go without one again. It's a reliable and easy to use jump-starter, power bank and 7-position flashlight all-in-one, so what's not to like? I would recommend this NOCO device to anyone who owns a car. Consider it one-payment dead battery insurance with no wait, delays, or co-pay. ========================== • MY EXPERIENCE: My car developed a short in the door lock mechanism that drained the battery in less than 24 hours. Between the inept Ford dealership and the excellent local private automotive shop, It took 5 weeks and several visits to trace and repair the short. In the meantime I needed a reliable way to jump-start my car on a nearly daily basis. After searching Amazon, I purchased this jump starter based on the overwhelmingly positive reviews. And it has really served me well. It was used multiple times between shop visits and has been used multiple times since then. It has been reliable when needed, jump-starting cars with ease. The Li-Ion battery holds a charge for a very long time. After sitting on the shelf for over 6 months it still appeared to hold nearly a full charge. And then only took about an hour to top it up. I've carried jumper cables in my trunk my whole life, but when a jump is needed you can never be certain someone will come along who's willing and has the time to assist you. This powerful jump-starter eliminates that uncertainty. It's also very easy to use and makes a great present for friends and family - even those who aren't very mechanically inclined. • USEFUL LIFE & RECHARGE FREQUENCY - From NOCO, when answering a question here on Amazon: 'The Boost should last several years with regular use and proper storage. To help extend the life of the internal battery, use and recharge at least every couple of months.' - Not everyone will have a need to use this device as a power bank, so the battery won't get properly charged and discharged as described. In that case my suggestion is to use the NOCO every month or two to charge your cell phone. - From NOCO, in the Important Safety Warnings section of the instruction manual: 'To ensure maximum battery life, avoid charging your product for more than a week at a time, as overcharging may shorten battery life. Over time, an unused product will discharge and must be recharged before use. Disconnect the product from power sources when not in use.' • FEATURES: - Powered by a (non-replaceable) 12v 1000A Li-Ion battery. - Battery Connection Safety -- 'Safely connect to any 12-volt vehicle with our mistake-proof design featuring spark-proof technology and reverse polarity protection' - Has a Manual Override, which allows the unit to jump start a battery that is discharged below 2v. - Also serves as a USB connected Power Bank - Includes a 7-position torch light • CONNECTIONS: - 12v Out - The included battery clamps are to be connected here. This is a unique connector so you cannot connect the jumper cables stored in your trunk directly to this device. - USB In - The included cable, or any USB to micro USB charging cable can be plugged in here in order to charge the NOCO jump-starter battery. The power rating of the charger device will dictate how fast the NOCO will come to a full charge. - USB Out - Let's you use the NOCO as a Power Bank (5V, 2.1A), using a standard USB cable. • RECHARGING - Time needed to charge the NOCO - The following comes from the User Manual. Assuming a nearly or fully discharged NOCO GB40: Charger (source) Rating = Full Recharge Time. [.5A = 12h], [1A = 6h], [2A = 3h] • EASY TO USE: 1. Plug the clamps into the NOCO. 2. Connect the clamps to the car battery. 3. Press the NOCO power button to turn it on. 4. Start the car. 5. Press the NOCO power button to turn it off. 6. Disconnect the device from the car battery. ... show more
Reviewed in the United States on January 7, 2024 by J Grant
    • Necessary and recommended.
This battery charger is excellent; it holds a charge for many months. I've used it to help people on the road in various types of vehicles, and it's worked on the first try every time. I highly recommend it and hope to buy another one when the one I have in my car reaches the end of its lifespan. It's a must-have product in every car trunk. Highly recommended, even though the price is a bit high; it's worth it. ... show more
Reviewed in the United States on November 16, 2025 by Mick
    • Great Product!!
Works awesome!!! Great Buy
Reviewed in the United States on November 13, 2025 by Clint
    • Good jumper brand overall. Don't hesitate.
Good jumper. It jumped a 5.9 v8 4x4 no issue. What I don't understand is it didn't jump the 5.0 mustang my neighbor had, it did have 3 bars, maybe that was the issue, No full charge. Maybe it was something else but, I've jumped 6.0s with this jumper even tho it's only rated for small sedans lol. Mind you, bought this for my 1.8 4banger 98 corolla. Good jumper none the less! I highly recommend it! Especially the gb70. I am not a big fan of not disconnecting my jump wires, but it is definitely a good buy. It'll replace your heavy jump pack for sure. Toss aside and use for another day. Roadside tech,mobile mechanic, or just an all around guy. You can easily chuck it in your passenger seat and go on about your day. Don't hesitate to use this brand, period. ... show more
Reviewed in the United States on November 9, 2025 by Gavriil Rykov

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