NOCO GB40 vs NOCO GB70 — few things are as frustrating as a dead car battery, especially when you’re in a hurry. Living in the scenic yet sometimes remote areas of Montana, I’ve come to rely heavily on reliable jump starters. These two powerhouse contenders promise to bring your vehicle back to life, but which one truly stands out? Having tested both, I’ll share my insights to help you decide between the NOCO GB40 and the NOCO GB70.
Is NOCO GB40 Good?
When it comes to personal use, like jump-starting my trusty sedan, the NOCO GB40 has been a dependable companion. It’s compact and easy to store, making it perfect for everyday use. I remember one chilly Montana morning when my car battery decided to give up. The GB40 saved the day, and I was back on the road in no time.
But does it suit everyone? The answer is yes, especially for those with smaller vehicles. If you drive a car with a 6.0L gas or 3.0L diesel engine, the GB40 is an excellent fit. It’s user-friendly, and I found it intuitive, even for someone who’s not particularly tech-savvy.

What Makes It Stand Out / Key Features
- 1000-amp peak current
- Suitable for 6.0L gas and 3.0L diesel engines
- UltraSafe technology for spark-proof connections
- Built-in LED flashlight with seven modes
- Compact and lightweight design
- Charges smartphones and tablets
- Rechargeable lithium battery
- Can jump-start up to 20 times on a single charge
- Reverse polarity protection
- Rugged and water-resistant construction
What I Like
- Portable and lightweight: Easy to carry in any vehicle
- User-friendly: Simple to operate, even for beginners
- Multi-functional: Acts as a power bank for devices
- Durable build: Withstands harsh conditions
- Reliable performance: Consistently starts engines quickly
What Could Be Better
- Limited power: Not suitable for larger engines
- Short battery life: Requires frequent recharging
- Flashlight could be brighter: Not ideal for very dark areas
- No case included: Need to purchase separately for storage
- Higher price point: More expensive than some competitors
My Recommendation
If you have a smaller vehicle and need a reliable, user-friendly jump starter, the NOCO GB40 is a fantastic choice. It’s especially valuable for those who appreciate portable, multi-functional tools. Available on Amazon, it’s easy to purchase and have delivered straight to your door.
Is NOCO GB70 Good?
For those with heavy-duty needs, like jump-starting larger trucks or SUVs, the NOCO GB70 is a beast. I remember using it on my friend’s 8.0L gas truck during a camping trip in the Montana wilderness. It worked like a charm, even in freezing temperatures.
The GB70 is well-suited for heavy-duty vehicles. If you have a vehicle with an 8.0L gas or 6.0L diesel engine, this is the jump starter for you. Its robust power and reliability make it a top choice for challenging conditions.

What Makes It Stand Out / Key Features
- 2000-amp peak current
- Suitable for 8.0L gas and 6.0L diesel engines
- UltraSafe technology for spark-proof connections
- Built-in LED flashlight with seven modes
- Heavy-duty, rugged design
- Charges smartphones and tablets
- Rechargeable lithium battery
- Can jump-start up to 40 times on a single charge
- Reverse polarity protection
- Water-resistant construction
What I Like
- High power output: Suitable for larger vehicles
- Durable and rugged: Designed for tough conditions
- Multi-functional: Serves as a power bank
- Reliable starting power: Consistently performs well
- Long-lasting charge: Fewer recharges needed
What Could Be Better
- Bulky design: Takes up more space
- Higher price point: More expensive than the GB40
- Heavier: Less portable for smaller vehicles
- No carrying case included: Must be purchased separately
- Longer recharge time: Takes more time to fully charge
My Recommendation
For those with heavy-duty vehicles or who often find themselves in remote areas, the NOCO GB70 is a must-have. Its power and reliability are unmatched. If you need serious starting power, especially when considering the NOCO GB40 vs NOCO GB70, the GB70 is the clear winner for larger vehicles.
NOCO GB40 vs NOCO GB70: Side-by-Side Test
When it comes to choosing between the NOCO GB40 and the NOCO GB70, the details matter. Let’s dive into a side-by-side comparison based on my personal experience.
Power Output: Which Packs More Punch?
Both products offer impressive power, but the GB70 takes the lead with its 2000-amp peak current.
| Feature | NOCO GB40 | NOCO GB70 |
|---|---|---|
| Power Output | 1000A | 2000A |
Summary: The NOCO GB70 is superior for heavy-duty tasks due to its higher power output.
Compatibility: Which Fits Your Vehicle?
The GB40 is perfect for smaller engines, while the GB70 suits larger ones.
| Feature | NOCO GB40 (6.0L Gas, 3.0L Diesel) | NOCO GB70 (8.0L Gas, 6.0L Diesel) |
|---|
Summary: Choose the GB70 for larger vehicles and the GB40 for smaller ones.
Portability: Which Is Easier to Carry?
The GB40 is more compact and lightweight, making it better for everyday carry.
| Feature | NOCO GB40 | NOCO GB70 |
|---|---|---|
| Portability | Lightweight | Bulky |
Summary: The NOCO GB40 wins for portability and ease of storage.
Durability: Which Is Built Tougher?
Both are rugged, but the GB70’s design feels more robust.
| Feature | NOCO GB40 | NOCO GB70 |
|---|---|---|
| Durability | Rugged | Extra Rugged |
Summary: The NOCO GB70 is more suitable for extreme conditions.
Multi-functionality: Which Offers More?
Both serve as power banks, but the GB70’s larger capacity offers more charges.
| Feature | NOCO GB40 | NOCO GB70 |
|---|---|---|
| Multi-functionality | Yes | Yes (Larger capacity) |
Summary: The NOCO GB70 provides more power bank functionality.
Price: Which Offers Better Value?
The GB40 is more affordable, making it a better value for those on a budget.
| Feature | NOCO GB40 | NOCO GB70 |
|---|---|---|
| Price | Lower | Higher |
Summary: The NOCO GB40 is the better budget-friendly option.
Recharge Time: Which Charges Faster?
The GB40 charges quicker due to its smaller battery.
| Feature | NOCO GB40 | NOCO GB70 |
|---|---|---|
| Recharge Time | Faster | Slower |
Summary: The NOCO GB40 charges faster, saving time.
Overall Usability: Which Is More User-Friendly?
Both are easy to use, but the GB40’s simplicity is ideal for beginners.
| Feature | NOCO GB40 | NOCO GB70 |
|---|---|---|
| Usability | Very Easy | Easy |
Summary: The NOCO GB40 is more straightforward for new users.
Final Verdict: Which Should You Buy?
Both jump starters have their strengths. If you prioritize portability and value, the NOCO GB40 is your go-to. It’s perfect for everyday users with smaller vehicles. However, if you need more power and durability for heavy-duty vehicles, the NOCO GB70 is the better choice.
Summary Table:
| Aspect | NOCO GB40 | NOCO GB70 |
|---|---|---|
| Best For | Smaller vehicles, budget-friendly | Larger vehicles, heavy-duty use |
| Skill Level | Beginner | Intermediate |
| Overall Score | 8/10 | 9/10 |
In conclusion, both the NOCO GB40 and GB70 are excellent products, but your choice should depend on your specific needs and vehicle type.
FAQs Of NOCO GB40 vs NOCO GB70
What’s the main difference between the NOCO GB40 and GB70?
The main difference is the power output. The GB40 is suitable for smaller engines, while the GB70 is designed for larger, heavy-duty vehicles.
Can the NOCO GB40 start a truck?
The NOCO GB40 is not ideal for larger trucks. It’s best for cars with engines up to 6.0L gas or 3.0L diesel.
Is the NOCO GB70 worth the extra cost?
Yes, if you need to start larger vehicles or require more power bank capacity, the GB70 is worth the investment.
How often should I recharge my NOCO jump starter?
For optimal performance, recharge your NOCO jump starter every 3-6 months.
Are there any safety features in these jump starters?
Yes, both models include UltraSafe technology, which prevents sparks and ensures safe connections.