NOCO Boost GB40: 1000A 12V UltraSafe Portable Lithium Jump Starter
NOCO Boost GB40: 1000A 12V UltraSafe Portable Lithium Jump Starter
Hero image 0 of NOCO Boost GB40: 1000A 12V UltraSafe Portable Lithium Jump Starter, 0 of 7
50+ bought since yesterdayOverall pick
Visit the NOCO Store

NOCO Boost GB40: 1000A 12V UltraSafe Portable Lithium Jump Starter

2,040 ratings

Key item features

  • Powerful Performance: Delivers 1000 amps to instantly jump start 12V batteries, suitable for gasoline engines up to 6.0L and diesel up to 3.0L, providing up to 20 starts per charge.
  • Advanced Safety: Features UltraSafe technology with spark-proof connections and reverse polarity protection, ensuring secure and worry-free operation without incorrect connections.
  • Versatile Functionality: Functions as a portable power bank for USB-C devices and includes a 100-lumen LED flashlight with seven modes, including emergency strobe and SOS.
  • Durable Construction: Boasts an IP65 water-resistant, rugged enclosure with a rubberized over-molded casing and high-discharge lithium technology for reliable use in any climate.
  • Compact Portability: Weighs only 2.5 pounds, making it ultra-compact and lightweight, and holds its charge for up to a year, ideal for on-the-go use and easy storage.
Generated by AI

Specs

Battery capacity, 2150 mAhAmps, 1000 AAutomotive battery type, Lithium-Ion BatteryBrand, NOCOPower type, BatteryVehicle fitment type, Universal

About this item

Product details

The NOCO Boost Plus GB40 is a compact, lightweight, and powerful portable car battery jump starter designed for 12-volt batteries. Rated at 1000 amps, it delivers serious performance to safely jump start dead batteries in seconds—up to 20 times on a single charge. Whether you’re driving a car, truck, SUV, motorcycle, ATV, or boat, this car battery jump starter is engineered to handle engines up to 6 liters of gasoline and 3 liters of diesel. This portable jump starter for cars is built with NOCO’s signature UltraSafe technology, featuring spark-proof connections and reverse polarity protection for worry-free operation. It’s a reliable battery booster jump starter for roadside emergencies, cold starts, and everyday use. The GB40 doubles as a jump starter power pack, featuring a high-output 100-lumen LED flashlight with seven light modes, including SOS and emergency strobe. It also functions as a portable power bank to recharge smartphones, tablets, and other USB devices on the go—ideal for travel, camping, or unexpected situations. Unlike bulky car starter jump boxes, the GB40 is ultra-portable and holds its charge for up to a year. It’s the perfect combination of a car jump starter, motorcycle battery jump starter, and auto battery booster pack—all in one compact design. Whether you call it a battery jump starter, booster pack jump starter, or self jump starter for car, the GB40 is trusted by mechanics, drivers, and adventurers everywhere. From everyday drivers to professionals, the NOCO Boost Plus GB40 is the ultimate auto jump starter power pack for anyone looking for safety, reliability, and performance in a portable car jump starter.
  • — Safely jump start a dead battery in seconds with this compact, yet powerful, 1000-amp portable lithium car battery jump starter pack - up to 20 jump starts on a single charge - and rated for gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters.
  • — Safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.
  • — It's a car jump starter, portable power bank, and LED flashlight. Recharge smartphones, tablets, and other USB-C devices. It's easily rechargeable from any powered USB-C port in 3-hours at 2.1-amps. Plus, an integrated 100-lumen LED flashlight with seven light modes, including emergency strobe and SOS.
  • — Our most advanced car battery charger jump starter ever. Featuring high-discharge lithium technology for safe operation in any climate. A rugged and water-resistant enclosure rated at IP65. A rubberized over-molded casing to prevent scratching or marring of surfaces. And an ultra-compact and lightweight design weighing just 2.5 pounds.
  • — Inside, you will find a GB40 portable jump starter with battery booster clamps, a USB-C charging cable, and a microfiber storage bag. It also comes with a one-year warranty and is proudly designed in the USA.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Battery capacity

2150 mAh

Amps

1000 A

Automotive battery type

Lithium-Ion Battery

Brand

NOCO

Warranty

Warranty information

1-Year Limited Warranty

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Refine your search

Customer ratings & reviews

4.6 out of 5 stars
stars
2,040 ratings823 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars82% (1,663)
  2. 4 stars7% (152)
  3. 3 stars3% (57)
  4. 2 stars1% (30)
  5. 1 star7% (138)

Reviews summary

Pros

  • : Simple to use with minimal effort.
  • : Has a small and portable design.
  • : Compact design allows for easy storage in vehicles.
  • : Offers good features and performance at this cost.
  • : Provides enough power to start various vehicle sizes.

Neutral

  • : Can last months, but drains quickly with frequent use.
Generated by AI
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 823 reviews

Sep 22, 2026
Reviewer name: Linda
Item details
Color: Gray
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Amazing Price!!

Fantastic buy! I purchased this NOCO Boost GB40 from Batteries for a whole lot more. I wanted a second one for the second vehicle. Was pleasantly shocked I could get it for less than half the price from Walmart plus get it delivered same day, to my home through Walmart ! Love Walmart !

Helpful?2C7GU897SPCV46605770
Nov 2, 2026
Reviewer name: John
Item details
Color: Gray
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Have it and not need it

Haven't had to use it yet but knowing that it's with my car is reassuring!

Helpful?2C7GU897SPCV46605770
Jul 16, 2026
Reviewer name: Brandon
Item details
Color: Gray
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy to use, should've gotten the larger one.

Great ease and size. Probably should've went with the larger size to accommodate to the vehicle. But overall a great product.

Helpful?2C7GU897SPCV46605770
Current price is $99.95
Price when purchased online
  • Free shipping
  • Free 90-day returns
Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

How do you want your item?

Try 30 days for just $1! Choose a plan at checkout.
How do you want your item?
Ships to
Arrives by Tomorrow
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible

More seller options (1)

Starting from $99.95
walmart plus

Try 30 days of Walmart+ for just $1!

T&C apply.