NOCO GB40 VS WOLFBOX 24 AIR: BETTER ROADSIDE PROTECTION?

For $40 More, Get Jump Power + A Built-In Tire Pump

WOLFBOX MEGAVOLT24 AIR vs NOCO GB40

Choosing the right emergency tool is about raw performance and total peace of mind.

FEATURES	MegaVolt24 Air	NOCO GB40
Peak Starting Current	✔︎ 4000A Peak	1000A Peak
Battery Capacity	✔︎ 24,000 mAh / 88.8 Wh	~6,500 mAh / 24 Wh
Gas Engine Rating	✔︎ Up to 10.0L Gas	Up to 6.0L Gas
Diesel Engine Rating	✔︎ Up to 10.0L Diesel	Up to 3.0L Diesel
Recharge Speed	✔︎ Fast PD 65W Charging	Micro-USB Charging
Safety System	✔︎ UltraSafe Spark-Proof Tech	✔︎ UltraSafe Spark-Proof Tech
Price & Value	$139.99 (4x Power + Built-in Pump)	$99.95 (Basic Starter Only)
Conclusion	★★★★★	★★★★☆

GET THE ULTIMATE JUMP STARTER — $139.99

POWER FOR THE ROAD, PEACE FOR THE JOURNEY

See how automotive creators and everyday drivers put the MegaVolt24 Air to the test in real-world roadside emergencies.

Wolfbox Megavolt 24 Air Review

4000A Jump Starter with 160 PSI Inflator

BEYOND BASIC BOOSTERS: THE WOLFBOX ADVANTAGE

Why settle for a single-function battery booster? Discover how Wolfbox’s 2-in-1 engineering delivers ultimate starting power and built-in tire inflation for complete roadside freedom.

01

Product Features

ALL-WEATHER RANGE

NOCO Boost Plus GB40:

Capped at a -4°F to 122°F limit, with an official recommended max storage/operating temperature of just 104°F (40°C)—making hot summer trunk storage risky.

Wolfbox MegaVolt24 Air:

Engineered for a wider -4°F to 140°F (-20°C to 60°C) thermal threshold. Built to store safely and deliver full power even in extreme summer cabin heat.

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02

Product Features

RECHARGE SPEED

NOCO Boost Plus GB40:

Uses standard Micro-USB input—taking 3 to 6+ hours to fully recharge with no high-speed laptop output capability.

Wolfbox MegaVolt24 Air:

Features 65W Bidirectional PD Fast Charging—fully recharges in ~1.5 hours while doubling as a high-speed laptop & phone power bank.

FIND FIT FOR MY CAR →

03

Product Features

BATTERY CAPACITY

NOCO Boost Plus GB40:

Compact 24 Wh (~6,500 mAh) battery reserve, rated for up to 20 jump starts per charge on small to mid-size engines.

Wolfbox MegaVolt24 Air:

Commercial-grade 88.8 Wh (24,000 mAh) reserve—delivering up to 40 jump starts on 3.0L gas engines on a single charge.

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04

Product Features

TIRE EMERGENCY

NOCO Boost Plus GB40:

Single-function jump starter only. Completely helpless when tire pressure drops or when you hit a roadside flat.

Wolfbox MegaVolt24 Air:

Integrated 160 PSI air compressor driven by a heavy-duty 25mm cylinder (up to 45L/Min airflow) to inflate tires in minutes.

FIND FIT FOR MY CAR →

05

Product Features

TRUNK EFFICIENCY

NOCO Boost Plus GB40:

Requires buying a separate air pump alongside the $99.95 battery booster, cluttering trunk space with multiple devices.

Wolfbox MegaVolt24 Air:

Integrates a 4000A booster and 160 PSI compressor into one sleek unit for $139.99, keeping your gear organized in one bag.

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WHAT OUR CUSTOMERS SAY

Real feedback from real drivers

★★★★★

"I bought the Wolfbox MegaVolt 24Air primarily to keep my car tires properly inflated. It was always easy to put it off for one reason or another, especially in bad weather. Now I can easily check and adjust my tire pressure weekly when my tires are cold (instead of getting an inaccurate reading after my tires heat up from driving around looking for a gas station with an air hose). This gives me better gas mileage and increases my tire life, driving safety, and driving comfort. I’ve rarely needed to jump my car battery over the years but it’s good knowing I could do so if necessary. In addition, the MegaVolt 24 provides a flashlight and the means to power my phone and numerous other electronic devices. It’s an ideal vehicle safety device in a compact, easily transportable package."

— Eric S.

★★★★★

"Wolfbox megavolt 24 Air jump started my car with a completely dead battery and only lost 5% battery out of wolfbox megavolt 100% battery. I can charge all my family members phones during power outages. A+ product!"

— Paul F.

★★★★★

"The MegaVolt 24Air, Jump Starter with Air Compressor Tire Inflator was shipped quickly, packaged securely, and offered shipping protection, which I appreciated. I've only had the opportunity to use it once since it arrived, but the inflation pressures were very accurate when compared to my other instruments. It was fairly quiet and helped me maintain the vehicle quickly, without breaking out a larger compressor. I have not used the 4000A battery pack yet, but my expectations are high for similar performance. Very happy with the purchase so far."

— Louis F.

★★★★★

"After watching 'Kenny Of All Trades' on YouTube for several months, I saw him demo the MegaVolt24 Air on his deisel truck. His batteries were totally dead, temps were near sub-zero & his truck did not hesitate using 'Boost' feature. Super simple process, easy to charge & small enuff to fit about anywhere. Buying my 2nd MegaVolt24 for our other vehicle as I send this! Thank you for a great product👍 Dan S."

— Daniel S.

★★★★★

"Received my Wolfbox Megavolt 24 Air- 4 in 1 Power/Compressor on a Friday, charged it right away, and needed to use it a few days later for my son's car. Worked amazing! Car started right up! Thank you! Will definitely recommend to get one of these, much easier to use than 12 foot jumper cables from one car to another!"

— Mike F.

★★★★★

"I have had a Wolfbox Megavolt 24 Air Jumpstarter for more than a year and have used it a few times. You may not need it all the time but boy when you do it is a lifesaver - I also just came across a person at a gas station around the holidays whose vehicle would not start so it's a very helpful thing to have in your vehicle. This jumpstarter is small in size so takes up no room in your vehicle and it is very simple to use. For this purchase I ordered 2 more of the Megavolt Jumpstarters for Christmas gifts as I feel having one of these in your vehicle makes the people you care about safer on the road."

— Ryan B.

★★★★★

"Already had to use the MegaVolt24 Air Portable Two-in-One Jump Starter with Air Compressor to inflate a flat tire. Product worked flawlessly as advertised."

— Craig S.

★★★★★

"The MegaVolt 24Air, Jump Starter with Air Compressor Tire Inflator was shipped quickly, packaged securely, and offered shipping protection, which I appreciated."

— Louis F.

★★★★★

"The Megavolt 24 Air Jump Starter is a good looking machine and it isn’t cheaply made , it feels solid I like all the features it has , but I have not had a reason to use it yet . And asked my family and friends if you not a jump let me know I’ll be right over. But no luck but when I need to use it I will let you know how it works"

— Kevin R.

WHAT MAKES WOLFBOX STAND OUT?

Four reasons why drivers choose the MegaVolt24 Air for complete roadside security

4000A PEAK CURRENT

Deliver 4000A peak output to instantly start up to 10.0L gas and 10.0L diesel engines effortlessly.

PD 65W FAST CHARGE

Fully recharges in 1.5–2 hours and doubles as a high-speed power bank for mobile devices.

160 PSI AIR PUMP

25mm cylinder inflates tires from 29 to 36 PSI in just 60 seconds with real-time pressure monitoring.

10-POINT SAFETY

Multi-protection smart clamps guard against spark, reverse polarity, over-current, and extreme heat.

Frequently Asked Questions

Everything you want to know about MegaVolt24 Air

Can a 4,000 A Jump Starter Damage a Small Engine?

No, a 4,000 A jump starter cannot damage a smaller engine. The starter motor on any car is designed to draw the amperage it needs based on the electrical resistance and mechanical load, meaning current isn’t forced into the vehicle by the jump pack.

How Long Can a Jump Starter Hold a Charge During Storage?

The Battery Management Systems (BMS) in both models help keep parasitic battery drain to a minimum, meaning both models can keep their charge at a functional level for 9 to 12 months in normal conditions. Extreme heat or cold can accelerate natural discharge, meaning it’s recommended to recharge them every 3 to 6 months.

What Else Can I Charge With These Jump Packs?

Since both jump packs feature bi-directional power delivery, you can charge any device that can usually be charged with a USB-C cable, such as smartphones, tablets, laptops, camera gear, etc.

What Happens if I Accidentally Reverse the Positive and Negative Clamps?

Both models feature reverse-polarity protection, meaning that both jump packs will give you a warning on the screen that you have the clamps mixed.

The Verdict

WHY SETTLE FOR JUST A JUMP STARTER?

Upgrade from basic single-function boosters to the complete roadside security of the Wolfbox MegaVolt24 Air. Combining 4000A of raw cranking power with an integrated 160 PSI air compressor and PD 65W fast charging, it delivers heavy-duty protection that standard units simply can't match. Keep your vehicle powered, your tires inflated, and your family safe on every road trip.

GET WOLFBOX PROTECTION — $139.99