BestReviews is reader-supported and may earn an affiliate commission. Details
A compact battery charger that detects ambient temperatures to avoid over-charging.
More stores
Amazon
A compact battery charger that detects ambient temperatures to avoid over-charging.
Lightweight and easy to use. Works on various battery types, including marine, lead-acid, and lithium-ion. Can bring a dead battery back to life within a few days.
Some reviewers received defective units.
An affordable charger with an effective battery restoration setting.
More stores
Amazon
An affordable charger with an effective battery restoration setting.
Works on diesel and gas vehicles and a variety of battery types. Charges dead batteries and reverses battery damage. Designed for long-term use.
Not built to last, as many reviewers noted their chargers died within two months.
This model is meant to be mounted under the hood for continuous use.
This model is meant to be mounted under the hood for continuous use.
Has numerous functions, including battery charging, trickle charging, and desulfation. Easy to install. Works with various types of batteries.
Not designed to hook up to and charge a battery quickly.
A powerful charger with more features than the average Noco Genius.
More stores
Amazon
A powerful charger with more features than the average Noco Genius.
Automatically detects and repairs sulfation and acid stratification. Larger than other Genius chargers but packs a ton of power. Can charge batteries below 1 volt.
It can get hot, so be cautious when handling it.
This is an excellent choice for those looking for an affordable way to keep their batteries charged.
This is an excellent choice for those looking for an affordable way to keep their batteries charged.
The force mode lets you manually charge batteries below 1 volt. Works on various vehicles, including cars, dirt bikes, lawnmowers, and RVs. Compact and affordable.
There is no indicator for when it switches to desulfation mode.
We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.
Whether you are a car enthusiast, a weekend warrior or just a driver who values reliability and performance, having a dependable car battery charger is a must. NOCO Genius car battery chargers are designed to keep your battery in optimum condition, even under the harshest conditions. They are smart, efficient, and packed with features to ensure your vehicle is always ready to go when you need it.
From compact, portable chargers to more robust, high-capacity models, the NOCO Genius range offers options to cater to different needs and vehicles. Look for a model that matches your specific requirements — the size of your vehicle's battery, the type of battery you have, and how frequently you'll need to use the charger. Moreover, consider how easy the charger is to use and whether it offers features such as desulphation, battery diagnostics, and maintenance charging.
Here's a closer look at some of the best NOCO Genius car batteries on the market:
The Genius 1 is the smallest and most compact in the NOCO Genius range. With its size, it is perfect for motorcycles, ATVs, and other smaller vehicles. Despite its compact design, it packs a punch and can charge and maintain 6-volt and 12-volt lead-acid batteries.
This unit includes a built-in thermal sensor that detects the ambient temperature and alters the charge accordingly, preventing under- or overcharging in extreme climates. It is fully automatic and easy to use, making it a perfect pick for beginners or those with minimal technical knowledge.
The Genius 5 is a versatile and powerful battery charger. It's an upgraded version of the Genius 1, with a higher amperage that allows it to charge larger batteries and service more substantial vehicles. This charger can handle 6-volt and 12-volt lead-acid batteries and 12-volt lithium-ion batteries, making it suitable for a wider range of vehicles, including cars, boats, RVs, and trucks.
The Genius 5 includes all the features of the Genius 1 but adds additional capabilities such as improved thermal efficiency and reduced size and weight. The Genius 5 also features an integrated thermal sensor to prevent overcharging in hot climates and undercharging in cold climates.
The Genius 2D is a direct-mount battery charger and battery maintainer. This 2-amp charger is designed to be permanently installed in a vehicle and left connected for safe, long-term battery maintenance.
The Genius 2D can be installed in hard-to-reach places and can be controlled remotely, adding to its convenience. With its onboard battery desulphator, it can repair worn-out batteries and extend their useful life. It can be used with 12-volt lead-acid batteries, including flooded, gel, AGM and maintenance-free, plus lithium-ion batteries.
The Genius 10 is one of the most powerful models in the NOCO Genius line-up. With a whopping 10 amps of power, it is capable of charging and maintaining even the largest batteries in cars, trucks, boats, RVs, and commercial vehicles.
This model can handle 6-volt and 12-volt lead-acid batteries, and 12-volt lithium-ion batteries. It has an impressive range and can charge dead batteries up to 230Ah and maintain all battery sizes. The Genius 10 also has a force mode that allows the charging of dead batteries down to zero volts.
The Genius 2 is a 2-amp battery charger and maintainer. This versatile charger works with 6-volt and 12-volt lead-acid batteries and 12-volt lithium-ion batteries, perfect for cars, boats, RVs, and more.
The Genius 2 shares many of the features of the other models in the range, including the integrated thermal sensor that adapts to the ambient temperature to prevent over- or under-charging. With a fully-automatic, worry-free design, it makes battery maintenance a breeze. It also includes a battery desulphator to repair worn-out batteries and extend their life.
The Genius 2 boasts advanced charging technology that monitors battery activity and adjusts the charge accordingly for safe and efficient charging. It can also automatically detect battery sulfation and acid stratification, restoring lost performance for stronger engine starts and extended battery life.
All NOCO Genius models offer spark-proof technology and reverse polarity protection, making them safe to use for anyone. And their rugged and water-resistant construction allows them to withstand the harshest environments, making them a durable investment for anyone looking for a reliable car battery charger.
NOCO Genius offers a range of car batteries with varying power, technology, and size to cater to diverse vehicles and their requirements. Some of the types include lead-acid batteries, lithium batteries, and AGM batteries.
Key Considerations
The choice of your car battery largely depends on the type of vehicle you have and how you use it. If you have a standard, everyday-use car, a lead-acid battery could be enough. However, if you have a high-performance vehicle or a car with many electronic accessories, you might want to consider AGM or lithium batteries. It’s also important to consider the climate you live in. If you live in a region with extreme cold or hot temperatures, an AGM or lithium battery would be a better choice.
Maintenance Requirements
Some batteries require regular maintenance such as topping up with distilled water, while others are maintenance-free. Lead-acid batteries often require maintenance, while AGM and lithium batteries generally do not. Consider your willingness and ability to perform regular maintenance when choosing a battery.
Warranty
The warranty period is an important factor to consider when purchasing a battery. A longer warranty period generally indicates a longer battery life and gives you peace of mind knowing that you're covered if something goes wrong.
Price
Car batteries can vary greatly in price depending on the type, power, and brand. While it might be tempting to go for the cheapest option, it's often a better long-term investment to spend a bit more on a quality battery that will last longer and perform better.
Brand Reputation
While there are many brands of car batteries out there, not all are created equal. NOCO Genius has a strong reputation for producing reliable, high-quality batteries, so you can feel confident in your purchase. Look for customer reviews and ratings to get a sense of the brand's reliability.
Compatibility
It's crucial to ensure the battery you choose is compatible with your vehicle. Not all batteries fit all car models, so you'll need to check your vehicle's manual to determine the correct battery size and specifications.
NOCO Genius car batteries provide a broad range of products for different vehicle needs. Understanding your vehicle requirements as well as considering factors such as battery technology, CCA, reserve capacity, maintenance requirements, warranty, price, brand reputation, and compatibility, are all part of making an informed decision when buying a car battery.
Get emails you’ll love.
Learn about the products you’re wondering if you should buy and get advice on using your latest purchases.