NOCO Boost GB40 Review: The Best-Selling Portable Jump Starter
Updated October 12, 2026 · Reviewed by the TopDeals.club editors
★★★★★ 4.6 out of 5 on Amazon
About $91.21 at time of writing
Check Today’s Price on Amazon →- ✔ Starts cars without another vehicle
- ✔ Safe design for beginners
- ✖ Must be recharged periodically
The NOCO Boost GB40 is one of the most popular car jump starters on Amazon. This compact 1000-amp lithium pack lets you jump a dead battery without another car.
This noco boost gb40 review breaks down what makes it so popular, its key features, honest pros and cons, and who should (and shouldn’t) buy it.
Why the NOCO Boost GB40 is one of Amazon’s most-bought products
Dead batteries happen at the worst time. A portable jump starter gives independence from jumper cables and strangers, and NOCO’s spark-proof safety design adds peace of mind.
It currently holds a 4.6-star average rating on Amazon and ranks among the top sellers in its category — a strong sign that it delivers for everyday shoppers.
NOCO Boost GB40 key features
- 1000-amp peak lithium jump starter
- Spark-proof, reverse-polarity protection
- USB port to charge phones
- Built-in LED flashlight
- Compact enough for the glovebox
NOCO Boost GB40 pros and cons
What we like
- Starts cars without another vehicle
- Safe design for beginners
- Doubles as power bank
- Compact
What to consider
- Must be recharged periodically
- Pricier than cables
- Check engine size compatibility
Who should buy the NOCO Boost GB40?
Every driver — especially those with older batteries or cold winters.
See the latest price, deals and delivery options on Amazon.
How to get the best price on the NOCO Boost GB40
Prices on Amazon best sellers change often. Check for a coupon checkbox on the product page, compare colors or pack sizes (they are sometimes priced differently), and look for Subscribe & Save on consumables. Big sales events such as Prime Day, Prime Big Deal Days, Black Friday and Cyber Monday are usually the best times to buy. You can also browse our top-rated deals at 40%+ off and ⭐ Club Picks for today’s biggest discounts.
NOCO Boost GB40 review: final verdict
One of the smartest car accessories you can buy.
NOCO Boost GB40 FAQ
What engines can it start?
NOCO rates it for gas engines up to about 6.0L and diesel up to about 3.0L.
Can it charge my phone?
Yes, via USB.
Is it safe?
It has spark-proof and reverse-polarity protection.
How we review: TopDeals.club researches Amazon’s best-seller rankings, product specifications, brand information and verified customer feedback to summarize what matters most. We don’t accept payment for reviews. Prices and ratings are as of the date above and may change.
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