NOCO Boost Plus GB40: Your Ultimate Car Battery Jump Starter Guide

When your car battery dies, it can feel like the end of the world. But with the NOCO Boost Plus GB40, you can get back on the road in no time. This handy device is a must-have for every driver. In this guide, we’ll explain why the NOCO Boost Plus GB40 is the ultimate car battery jump starter and how it can save you from being stranded.
What is the NOCO Boost Plus GB40?
The NOCO Boost Plus GB40 is a portable jump starter designed to bring dead car batteries back to life. It’s small, lightweight, and powerful enough to jump-start most vehicles, including cars, trucks, SUVs, and even boats. Unlike traditional jumper cables, the NOCO Boost Plus GB40 doesn’t need another car to work. It’s a standalone device that you can keep in your glove box or trunk for emergencies.
Why Choose the NOCO Boost Plus GB40?
- Compact and Portable
The NOCO Boost Plus GB40 is about the size of a smartphone, making it easy to carry around. You won’t even notice it’s there until you need it. - Powerful Performance
Despite its small size, the NOCO Boost Plus GB40 packs a punch. It can deliver up to 1,000 amps of power, enough to start most vehicles, even in cold weather. - Safe and Easy to Use
The NOCO Boost Plus GB40 is designed with safety in mind. It has built-in protection against sparks, reverse polarity, and overcharging. Plus, it’s super easy to use—just connect the clamps to your battery, and you’re good to go. - Multi-Functional
The NOCO Boost Plus GB40 isn’t just a jump starter. It also has a built-in flashlight and can charge your phone or other USB devices. It’s like having a mini power station in your car. - Long-Lasting Battery
The NOCO Boost Plus GB40 holds its charge for months, so you don’t have to worry about it dying when you need it most.

How to Use the NOCO Boost Plus GB40
Using the NOCO Boost Plus GB40 is simple. Here’s a quick step-by-step guide:
- Turn Off Your Car
Make sure your car’s engine is off before you start. - Connect the Clamps
Attach the red clamp to the positive (+) terminal of your car battery and the black clamp to the negative (-) terminal or a metal part of the engine. - Turn On the Device
Press the power button on the NOCO Boost Plus GB40 to activate it. - Start Your Car
Try starting your car. If it doesn’t start right away, wait a few minutes and try again. - Disconnect the Clamps
Once your car is running, remove the clamps in the reverse order (black first, then red).
Tips for Maintaining Your NOCO Boost Plus GB40
- Keep It Charged: Make sure to charge the NOCO Boost Plus GB40 every few months, even if you don’t use it.
- Store It Properly: Keep it in a cool, dry place, away from direct sunlight.
- Check the Manual: Always refer to the user manual for specific instructions and safety tips.
Will NOCO Boost Jump a Completely Dead Battery?

Yes, the NOCO Boost Plus GB40 can jump-start a completely dead battery. Thanks to its powerful 1000-amp peak current, it can deliver the necessary power to start your vehicle, even if the battery is fully discharged. However, it’s important to note that if your battery is old or damaged, it may not hold a charge even after a jump-start. In such cases, you may need to replace the battery.
How Do I Use My NOCO Boost Plus GB40?

Using the NOCO Boost Plus GB40 is simple. Here’s a step-by-step guide:
Charge the Device: Before using it for the first time, make sure the GB40 is fully charged. You can charge it using the included micro-USB cable.
Connect the Jumper Cables: Attach the red clamp to your car battery’s positive terminal (+)and the black clamp to a metal part of the engine block or chassis (ground).
Turn On the GB40: Press the power button to activate the device.
Start Your Vehicle: Turn the ignition key to start your car. Once the engine is running, remove the clamps in reverse order (black first, then red).
Recharge the GB40: After use, recharge the device so it’s ready for the next time.
Will a NOCO GB40 Start a Truck?

Yes, the NOCO Boost Plus GB40 is capable of starting trucks, provided they have gasoline engines up to 6.0 liters or diesel engines up to 3.0 liters. Its 1000-amp peak current is sufficient to handle the larger engines typically found in trucks and SUVs. However, for larger vehicles with bigger engines, you might want to consider a more powerful model like the NOCO Boost Plus GB70.
How Many Times Can You Use NOCO GB40?

The number of jumps you can get from a single charge depends on the condition of the vehicle’s battery and the ambient temperature. On average, the NOCO Boost Plus GB40 can provide up to 20 jump-starts on a single charge. However, it’s always a good idea to recharge the device after each use to ensure it’s ready for the next emergency.
Final Thoughts
The NOCO Boost Plus GB40 is a game-changer for anyone who drives. It’s reliable, easy to use, and can save you from the hassle of a dead battery. Whether you’re a daily commuter or an occasional driver, the NOCO Boost Plus GB40 is a smart investment for peace of mind on the road.
Don’t wait until you’re stuck in a parking lot with a dead battery. Get the NOCO Boost Plus GB40 today and be prepared for anything!