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NOCO Boost GB40 1000A Jump Starter
24Whstored energy
Output pendingcontinuous output
Verified internal spec page
Verified Product Page in Jump Starter NOCO

NOCO Boost GB40 1000A Jump Starter Review & Specs

Verified specifications, runtime planning, compatibility and buying options for this exact model.

Jump Starter Lithium-ion 24Wh Capacity Passenger cars, crossovers, many SUVs, light trucks,…
Battery Lithium-ion
Capacity 24Wh
Output Pending verification
Weight 2.45 lb
Best for

Passenger cars, crossovers, many SUVs, light trucks, motorcycles, and boats

Research status

Current record status: Current.

Buying status Exact Amazon Match
Check Price on Amazon ↗ Add to Compare Review Methodology
Exact Amazon MatchCommerce routing follows the locked Amazon-only rule.
1 compatibility linksMapped expansion, accessory, or adjacent-system relationships.
How We VerifiedManufacturer-sourced specs plus internal normalization and evidence checks.

Best Battery Backups Spec Sheet

Battery ChemistryLithium-ion
Capacity24 Wh
Weight2.45 lb
StatusCurrent

Runtime Estimates (24Wh)

Wi-Fi Router (10W) ~2 hrs
Laptop (60W) ~0.3 hrs
CPAP Machine (40W) ~0.5 hrs
Mini Fridge (120W) ~0.2 hrs
LED TV (100W) ~0.2 hrs

Planning estimates use 85% usable energy. Actual runtime varies.

Pros & Cons

  • Lithium-ion battery chemistry
  • 1 compatibility relationships mapped
  • Exact Amazon product match verified
  • Runtime changes with real device load

✓ Best For

  • Passenger cars, crossovers, many SUVs, light trucks, motorcycles, and boats
  • Buyers comparing verified specifications
  • Runtime planning and backup sizing

× Not Ideal For

  • Loads above its continuous output
  • Buying without checking actual device wattage
  • Assuming every accessory is cross-compatible

Ports & Connectivity

  • Lithium-ion battery
  • 1 mapped cable / adapter requirements
NOCO Boost GB40 1000A Jump Starter connectivity overview

Compatibility & Expansion

↔
12V lead-acid batteries; gasoline engines up to 6.0L; diesel engines up to 3.0LMapped compatibility record
→

How We Verified / Evidence Methodology

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Specifications

Manufacturer/model data

⚖
Fit & Comparison

Capacity and output

⌁
Compatibility

Mapped accessories

✓
Evidence

No guessed product images

Source verified against manufacturer documentation. Learn more about our verification process →

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FAQ

How much power does this model store?

24Wh of nominal capacity is currently recorded.

Can this run a refrigerator?

It depends on running wattage and compressor surge. Use our runtime calculator with the appliance load.

Can capacity be expanded?

Expansion and compatibility relationships are listed above where verified.

Is it safe for sensitive electronics?

Check output type, voltage requirements and device manufacturer guidance before use.

What solar panels are compatible?

Solar-input details are still being verified.

Where should I buy it?

We have an exact Amazon product match for this model.

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186Product images populated
36Compatibility-mapped
94Exact Amazon matches

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Detailed Review & Buying Guide

The NOCO Boost GB40 is a compact 12-volt lithium jump starter sized for the vehicles most households actually drive. Its 1,000-amp peak rating covers gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters, putting it in a practical middle ground between powersports-oriented packs and the larger models meant for heavy trucks. At 2.45 pounds, it is still small enough for a glove box, cargo organizer, motorcycle pannier, or emergency kit.

Quick verdict

The GB40 is the balanced choice in NOCO’s standard Boost range for passenger cars, crossovers, many SUVs, light trucks, motorcycles, boats, and recreational equipment. It offers more engine coverage than the GB20 without the extra weight of a high-output GB70 or GB150. Confirm your engine displacement and battery system before buying; a diesel over 3.0 liters or gasoline engine over 6.0 liters needs a larger model.

Verified specifications

Peak starting current1,000 amps
Supported battery type12V lead-acid vehicle batteries
Internal battery24Wh lithium-ion
Engine ratingUp to 6.0L gasoline or 3.0L diesel
USB5V/2.1A maximum input and output
Flashlight100 lumens
Weight2.45 lb
Ingress protectionIP65
Warranty1-year limited warranty

Why this model is widely useful

A 6.0-liter gasoline rating covers a broad portion of everyday cars and light-duty vehicles, while the 3.0-liter diesel rating includes many smaller diesel passenger vehicles. The 24Wh internal battery keeps the pack compact. NOCO states that the GB40 can deliver multiple starts per charge under appropriate conditions, but real-world results depend on temperature, battery condition, engine size, and how long each start attempt lasts.

The pack also functions as a small USB power bank for phones and other low-power devices. Its 100-lumen flashlight can help illuminate battery terminals or provide an emergency signal. Those secondary features are useful, but the GB40’s main value is keeping a self-contained set of clamps and starting power in the vehicle.

Safety and limitations

UltraSafe circuitry provides spark-proof connection and reverse-polarity protection during normal use. Always identify the approved positive and negative connection points from the vehicle manual, switch off vehicle accessories, and route the clamps away from belts and fans. This unit is for 12-volt lead-acid vehicle batteries; it is not a charger for the lithium battery packs used as traction batteries in electric vehicles.

If the vehicle battery is too deeply discharged for automatic detection, the GB40 offers manual override. Manual override disables safety detection and should only be used after polarity is positively confirmed and NOCO’s instructions are understood. Do not attempt to jump a frozen, swollen, leaking, or physically damaged battery.

Charging, storage, and package contents

The current package includes the GB40 jump starter, heavy-duty precision clamps, a USB-C-to-USB-C cable, microfiber storage bag, and safety and warranty information. Recharge the unit after a jump and inspect its state of charge periodically while stored. Avoid prolonged exposure to high cabin heat, freezing storage extremes, moisture, and loose metal objects that could contact the clamps.

Who should buy it

The GB40 fits drivers who want one portable jump starter for a typical household vehicle and who remain within the verified engine limits. Choose a smaller pack only if space and weight are the overriding concerns; choose a larger Boost model for big diesel pickups, commercial vehicles, or added reserve. This page matches NOCO model GB40 to Amazon ASIN B015TKUPIC. The manufacturer specifications and exact Amazon listing were verified on August 28, 2026.