NOCO Lightweight Passenger Car Battery Charger

Last updated: September 20, 2023


Ultra-portable, this lightweight device lets you jump start everything from a car or tractor to a laptop or phone. When not in use, plug it into any 12V cigarette lighter to make sure it's ready next time you need it. In addition, it features an integrated LED flashlight with seven modes, including emergency strobe and SOS.

NOCO Lightweight Passenger Car Battery Charger

We looked at the top Car Battery Chargers and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Car Battery Charger you should buy.

Product Details

Key Takeaway: You can charge this lightweight car battery charger on a vehicle's cigarette lighter.

In our analysis of 143 expert reviews, the NOCO Lightweight Passenger Car Battery Charger placed 1st when we looked at the top 19 products in the category. For the full ranking, see below.

From The Manufacturer

The GB40 is an ultra-portable, lightweight and compact lithium-ion jump starter for 12-volt batteries. With it, you can safely jump start a dead battery in seconds – up to 20 times on a single charge. It’s mistake-proof, making it safe for anyone to use and features spark-proof technology, as well as reverse polarity protection. The GB40 lithium jump starter integrates with a high-output 100 lumen LED flashlight with 7 light modes. including low, medium, high, flashing, strobe and emergency SOS. It can hold its charge for up to one-year without being recharged. Its internal battery can be used to recharge any personal mobile devices like smartphones, tablets or any other USB device, can be recharged by any powered USB port, and holds its charge for up to one-year. It’s rated at 1000 Amps, and suitable for use on gasoline engines up to 6 Liters and diesel engines up to 3 Liters, such as a car, boat, lawn mower and more. Included is the GB40, HD battery clamps, USB charging cable, USB car charger, microfiber storage bag, and a 1-Year Hassle-Free Limited , plus Free Lifetime Customer Support.

Our Expert Consultant

Vicki Liston 
Home Improvement Expert

Vicki Liston writes, produces, and narrates “On The Fly…DIY,” an award-winning home improvement and DIY show of unique project tutorials for the casual DIY’er.

Home improvement and all things DIY have been Liston’s passion since she bought her first house in 2007 and she started making video blogs in 2014. She’s performed hundreds of DIY projects, from small ones to major, wall-smashing renovations and can teach you how to make a trendy DIY barn door for cheap. The proceeds earned from “On The Fly…DIY” are donated to no-kill animal shelters and rescue organizations.

Expert Reviews


What reviewers liked

There is a patented spark-proof technology keeping both GB40 and your car battery safe at all times during use. The reverse polarity protection ensures that users will always know how to attach the device to the jump leads.
The GB40’s USB charging capability makes it a great tool to have in your glove box. It only weighs around 2 pounds, so you can take it anywhere and charge your phone, tablet or any other device that uses a USB charger.
Built-in 100-lumen LED flashlight with emergency signal modes
Its lithium ion battery system can hold a charge that is worth 20 jumpstarts while also powering an integrated 100-lumen ultra bright flashlight that comes with 7 different light mode. This includes an emergency strobes and SOS light among others
The NOCO Genius Boost Plus GB40 jump starter delivers just the right amount of power to start your car again. The booster has special technology that ensures it won’t cause sparks. It also offers reverse polarity protection to deliver a safe connection.
It has a safe and mistake-proof design with spark-proof technology and reverses polarity protection, which allows it to safely connect to any battery.
When it comes to safety, this one has that reverse polarity feature so you will know if you connected the right plugs.
Using advanced Spark-Proof technology and Reverse Polarity this device offers high-security features. If you accidentally make a mistake nothing will happen, not a single spark will appear. These safety precautions make GB40 very safe to use even for persons who are not familiar with these kinds of devices. His durable plastic housing makes it hard to brake or damage.
The ease and portability of the NOCO Genius Boost eliminate the need to park one vehicle next to another as well as eliminating other hassles associated with running cables.
The NOCO Genius Boost plus GB40 1000 Amp 12V Ultra Safe Lithium Jump Starter is equipped with the spark proof technology that saves you from the worry of getting a fire or some other issue.
A great design on the display with clear indicators and labels
It can be used to jump start gas engines up to 6 liters and diesel engines up to 4 liters in displacement. This is enough for most cars and most smaller fishing and leisure boats.
It is has a compact build with a yet powerful 1,000 amp lithium-ion jump starter that delivers 7,000 joules of starting power.
Safety design with spark-proof technology and protection from reverse polarity.
It prevents charging at incorrect polarity connection and lets out no sparks at all. For other devices, it can work as a power source through two USB ports and two 12V outlets.

What reviewers didn't like

Won’t start engines as reliably in cold weather
Cannot charge the GB40 from a wall outlet without buying an adapter,
Not good for cold weather.
We found user manual a bit hard to read and for sure it would be great if it came with some self-contained box.
The connection from the terminals could be confusing at times
There isn't enough of a charge for a larger cars and machinery
Relatively low battery capacity.
The build is plastic – not solid enough.
View our Car Battery Charger buying guide for in-depth advice and recommendations.

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