NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter
- Jump Starter
- More reviewed than 94%
A lithium jump starter rated up to 6.0L gas or 3.0L diesel engines, with spark-proof clamps and reverse polarity protection built in. Reasonable pick if your vehicle falls inside that engine range.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 17 jump starters we track
4.6★ across 129,199 Amazon ratings, Bayesian-smoothed toward the category average.
129,199 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
20,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 17 jump starters we track - how the scorecard works · full jump starters data report. Confidence: limited - incomplete product information.Refresh date unavailable. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The NOCO Boost GB40 is a 12 volt lithium jump starter rated at 1000 amps, sized by the maker for gas engines up to 6.0 liters and diesel engines up to 3.0 liters. It is built to start cars, trucks, motorcycles, SUVs, boats, ATVs and RVs from a single compact unit.
This is NOCO's mid-size Boost model, positioned by its engine size rating rather than by battery capacity alone. The listing leans on two safety features built into the clamps: spark-proof operation and reverse polarity protection, which matter more on a jump starter than raw amp numbers since a bad connection is the usual way these devices get misused. No seller description or attribute data came with this listing, so specifics beyond the title, such as cable length or included accessories, are not confirmed here.
- 12 volt, 1000 amp peak rating
- Rated for gas engines up to 6.0 liters
- Rated for diesel engines up to 3.0 liters
- Also listed for boats, ATVs and RVs
Who it's for
Fits someone who wants a single jump starter to keep in a car, truck, motorcycle or boat and whose engine falls within the stated 6.0 liter gas or 3.0 liter diesel range. It is not sized for larger diesel pickups or commercial equipment above that range.
Strengths and trade-offs
Drawn from this product's published specifications.
- Spark-proof clamps and reverse polarity protection built in
- Lithium battery keeps it portable versus lead-acid packs
- One unit covers cars, motorcycles, boats, ATVs and RVs
- Not rated for engines above 6.0L gas or 3.0L diesel
- No seller description or spec sheet included with this listing
- Cable length and accessory contents are not stated
Performance notes
The unit runs on a lithium battery pack rather than lead acid, which is what lets it stay compact enough to carry across multiple vehicle types. The clamps are the safety layer: NOCO's spark-proof design and reverse polarity protection are meant to stop a connection from arcing or from delivering current if the clamps are attached backward. The 1000 amp rating is what NOCO ties to the 6.0 liter gas and 3.0 liter diesel ceiling, so starting reliability should be read against that engine size rather than the amp number alone.
Specifications
| Brand | Noco |
|---|
Other Noco jump starters
How it compares
This product against the closest alternatives we track in jump starters.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump StarterThis product | 4.6 / 5 | 129,199 | 2.7 / 5 |
| Clore Automotive Jump-N-Carry JNC660 1700 Peak Amp 12 Volt Jump StarterClore Automotive | 4.6 / 5 | 19,800 | 4.8 / 5 |
| Hulkman Alpha85 Smart Portable Jump StarterHulkman | 4.7 / 5 | 13,400 | 4.5 / 5 |
| S ZEVZO ET03 Car Jump Starter 4000A Jump Starter Battery Pack for Up to 8.0L Gas and 7.0L…S Zevzo | 4.6 / 5 | 6,500 | 4.6 / 5 |
| WOLFBOX 4000A Jump StarterWolfbox | 4.7 / 5 | 5,900 | 4.6 / 5 |
Similar jump starters from other brands
Questions about the Noco jump starters
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What size engines can the NOCO Boost GB40 start?
NOCO rates it for gas engines up to 6.0 liters and diesel engines up to 3.0 liters.
Does the NOCO Boost GB40 protect against reverse polarity?
Yes, the listing states it has reverse polarity protection along with spark-proof clamps.
What battery type is in the NOCO Boost GB40?
It uses a lithium battery, which is what keeps this 1000 amp jump starter portable enough for cars, motorcycles, boats, ATVs and RVs.