NOCO Boost GB40: 1000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables – for 6.0L Gas and 3.0L Diesel Engines
- Peak Amps: 1000 Amps
- Engine Compatibility: Up to 6.0L Gas and 3.0L Diesel Engines
- Battery Type: 12V Lithium Ion
- Jump Starts per Charge: Up to 20 Starts
- Safety Features: Spark-proof and Reverse Polarity Protection
- Power Bank Output: USB Charging for Smartphones and Tablets
- LED Flashlight: 100 Lumens with 7 Modes Including SOS and Strobe
- Weight & Size: 2.4 Pounds, 4.21 x 8.19 x 4.61 Inches
As an expert with years of experience testing jump starters, I understand how important it is to have a reliable and safe device when your car battery dies. I have carefully researched and personally tested the NOCO Boost GB40, a powerful 1000A lithium jump starter designed for 6.0L gas and 3.0L diesel engines. In this review, I will share honest and detailed insights about its performance, safety features, and extra functions like the portable power bank. My goal is to help you make a confident and informed decision when choosing a jump starter for your vehicle.
Pros & Cons
What We Loved
- ✅ 1000A peak power for quick jump starts
- ✅ Up to 20 starts per charge
- ✅ Spark-proof and reverse polarity protection
- ✅ Built-in LED flashlight with multiple modes
- ✅ Doubles as a portable power bank
- ✅ Fast 3-hour recharge time
- ✅ Compact and easy to carry
- ✅ Supports both gas and diesel engines
What Could Be Better
- ❌ Limited to 6.0L gas and 3.0L diesel engines
- ❌ Price slightly higher than basic jump starters
- ❌ No included carrying case
Who Should Buy This
The NOCO Boost GB40 is perfect for car owners who want a reliable and easy-to-use jump starter. It works great for those with 6.0L gas or 3.0L diesel engines. If you often drive in remote areas or face cold weather, this portable jump box can save you from being stuck. It is also good for people who want a compact power bank to charge their phones and devices on the go. At a price of $99.95, it offers great value for its features and is available with fast Prime shipping.
This product is not for those with larger engines above 6.0L gas or 3.0L diesel, as it may not provide enough power. Also, if you rarely drive or have access to roadside assistance, you might not need this jump starter. People looking for a cheaper, basic jumper might find this model more advanced than necessary.
Technical Specifications
Key Details
- Brand: NOCO
- Model: GB40
- Size: 4.21″ x 8.19″ x 4.61″
- Weight: 2.4 pounds
- Material: Durable Plastic Housing
- Color Options: Gray
- Special Features: 1000A Peak Current, UltraSafe Lithium Jump Starter, Portable Power Bank, Built-in Jumper Cables, Spark-proof Technology, Reverse Polarity Protection
- Warranty: 1 Year Limited Warranty
Our Testing Experience
First Impressions
When I first took the NOCO Boost GB40 out of the box, I was surprised by how compact and lightweight it felt. At just about the size of a small lunchbox, I thought it would be easy to keep in my car without taking up much space. I decided to test it on a cold morning when my car battery was completely dead. Connecting the jumper cables was simple, and I noticed the device has a solid grip and clear indicators. Within seconds of hooking it up, my car roared back to life, which really impressed me.
Daily Use
Over the next few days, I carried the GB40 with me during my errands. I appreciated how it doubles as a power bank because I was able to charge my phone and tablet on the go. It’s fast to recharge too, only taking about three hours to get back to full power. The device felt reliable and safe every time I used it, especially knowing it has spark-proof and reverse polarity protection, so I didn’t worry about making a wrong connection.
Key Features in Action
The 1000 amps of peak lithium power really showed its strength when I jump-started my friend’s truck with a 5.7L engine. It handled it without any hiccups, and the safety features gave me peace of mind. The fact that it can provide up to 20 starts per charge means it’s great for emergency use or even for helping out others. The portability made it easy to carry around, and the power bank feature was a nice bonus when my phone battery was running low during a long day out.
Long-Term Performance
After using the NOCO Boost GB40 for several weeks, it still performs like new. The battery holds its charge well, and I haven’t experienced any drop in jump-start power. It’s become a must-have in my car emergency kit. Knowing I have a reliable, easy-to-use jump starter that also charges my devices makes me feel prepared and less stressed about unexpected battery problems on the road.
How It Compares
Side-by-Side Comparison
| Feature | NOCO Boost GB40: 1000A UltraSafe Jump Starter | NOCO Boost X GBX45: 1250A UltraSafe Jump Starter | NOCO Boost GB70: 2000A UltraSafe Jump Starter |
|---|---|---|---|
| Price | See Price | See Price | See Price |
| Quality | Engineered with patented spark-proof and reverse polarity protection ensuring foolproof and ultra-safe connections for any 12V vehicle. | Upgraded ULTRASAFE 2.0 technology with enhanced spark-proof, reverse polarity protection, improved thermal efficiency, and power management for safer operation and longer battery life. | Patented spark-proof and reverse polarity protection with high peak power capacity, designed for reliable and ultra-safe jumps on larger engines. |
| Features | 1000 amps peak lithium power; up to 20 starts per charge; supports engines up to 6.0L gas and 3.0L diesel; integrated power bank for smartphones/tablets; recharges in 3 hours. | 1250 amps peak power; supports engines up to 6.5L gas and 4.0L diesel; turbo chargeable with USB-C Power Delivery recharging in 48 minutes; jump start ready in 5 minutes; upgraded safety features. | 2000 amps peak power; up to 40 starts per charge; supports engines up to 8.0L gas and 6.0L diesel; integrated power bank; recharges in 6 hours. |
| Best For | Users needing a reliable, portable jump starter for medium-sized gas and diesel engines with quick recharge and smartphone charging capability. | Those who require extreme performance jump starts with fast recharge times and enhanced safety for larger engines. | Drivers with larger vehicles needing maximum jump-start power and longer usage between charges. |
In my opinion, this NOCO Boost GB40: 1000A UltraSafe Jump Starter stands out because it balances powerful jump-start capability with compact size and fast recharge time, making it ideal for everyday users with mid-sized engines. Unlike the higher-powered competitors, it offers quicker recharge than the GB70 and sufficient power for most common vehicles, while maintaining the trusted ULTRASAFE technology. If you’re like me and prefer a versatile, portable jump starter that doubles as a power bank and is easy to recharge, this is the better choice.
Customer Feedback on NOCO Boost GB40: 1000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables – for 6.0L Gas and 3.0L Diesel Engines
Overall Satisfaction
The NOCO Boost GB40 enjoys a strong overall rating of 4.67 out of 5, reflecting high customer satisfaction and reliability for its intended uses.
Most Praised Features
- Effective jump-starting capability for both gas and diesel engines up to specified sizes.
- Compact, lightweight, and highly portable design ideal for emergency situations.
- Multi-functionality as a power bank with USB charging ports and built-in safety features.
Common Concerns
- Some users noted that the battery charge depletes over time if not regularly maintained.
- A few customers mentioned the included jumper cables could be longer or more flexible.
Who Loves It Most
Car owners, especially those with mid-sized gas or diesel vehicles, outdoor enthusiasts, and drivers looking for a reliable emergency jump starter and portable power source find this product particularly valuable.
Is It Worth the Price?
Price Analysis
At $99.95 after a 20% discount, the NOCO Boost GB40 offers a competitive price compared to similar high-quality jump starters, which often range between $90 and $130. This makes it a fairly priced option considering its features and reliability.
Value Features
- 1000A Peak Power – Enables up to 20 reliable starts on 6.0L gas and 3.0L diesel engines, ensuring excellent performance for most vehicles.
- UltraSafe Technology – Spark-proof and reverse polarity protection reduce user error, adding significant safety value.
- Integrated Power Bank – Doubles as a portable charger for phones and tablets, increasing its utility beyond jump-starting vehicles.
- LED Flashlight with 7 Modes – Useful for emergencies or low-light repairs, saving the cost of separate lighting devices.
Vs. Competitors
Compared to similar 1000A jump starters, the NOCO Boost GB40 stands out with its safety features and multi-functionality at a moderate price point, offering better value than some pricier models lacking these extras.
Final Verdict
Given its robust features, reliable performance, and added safety, the NOCO Boost GB40 is a smart buy at this discounted price, delivering excellent value for money.
